diff options
Diffstat (limited to 'meta-moblin/packages/linux/linux-moblin-2.6.28+2.6.29-rc2/psb-driver.patch')
-rw-r--r-- | meta-moblin/packages/linux/linux-moblin-2.6.28+2.6.29-rc2/psb-driver.patch | 21564 |
1 files changed, 21564 insertions, 0 deletions
diff --git a/meta-moblin/packages/linux/linux-moblin-2.6.28+2.6.29-rc2/psb-driver.patch b/meta-moblin/packages/linux/linux-moblin-2.6.28+2.6.29-rc2/psb-driver.patch new file mode 100644 index 000000000..5b20badff --- /dev/null +++ b/meta-moblin/packages/linux/linux-moblin-2.6.28+2.6.29-rc2/psb-driver.patch @@ -0,0 +1,21564 @@ +Index: linux-2.6.28/include/drm/drm.h +=================================================================== +--- linux-2.6.28.orig/include/drm/drm.h 2009-02-20 12:22:53.000000000 +0000 ++++ linux-2.6.28/include/drm/drm.h 2009-02-20 12:23:06.000000000 +0000 +@@ -174,6 +174,7 @@ + _DRM_SCATTER_GATHER = 4, /**< Scatter/gather memory for PCI DMA */ + _DRM_CONSISTENT = 5, /**< Consistent memory for PCI DMA */ + _DRM_GEM = 6, /**< GEM object */ ++ _DRM_TTM = 7, + }; + + /** +@@ -601,6 +602,271 @@ + + #include "drm_mode.h" + ++#define DRM_FENCE_FLAG_EMIT 0x00000001 ++#define DRM_FENCE_FLAG_SHAREABLE 0x00000002 ++#define DRM_FENCE_FLAG_WAIT_LAZY 0x00000004 ++#define DRM_FENCE_FLAG_WAIT_IGNORE_SIGNALS 0x00000008 ++#define DRM_FENCE_FLAG_NO_USER 0x00000010 ++ ++/* Reserved for driver use */ ++#define DRM_FENCE_MASK_DRIVER 0xFF000000 ++ ++#define DRM_FENCE_TYPE_EXE 0x00000001 ++ ++struct drm_fence_arg { ++ unsigned int handle; ++ unsigned int fence_class; ++ unsigned int type; ++ unsigned int flags; ++ unsigned int signaled; ++ unsigned int error; ++ unsigned int sequence; ++ unsigned int pad64; ++ uint64_t expand_pad[2]; /*Future expansion */ ++}; ++ ++/* Buffer permissions, referring to how the GPU uses the buffers. ++ * these translate to fence types used for the buffers. ++ * Typically a texture buffer is read, A destination buffer is write and ++ * a command (batch-) buffer is exe. Can be or-ed together. ++ */ ++ ++#define DRM_BO_FLAG_READ (1ULL << 0) ++#define DRM_BO_FLAG_WRITE (1ULL << 1) ++#define DRM_BO_FLAG_EXE (1ULL << 2) ++ ++/* ++ * Status flags. Can be read to determine the actual state of a buffer. ++ * Can also be set in the buffer mask before validation. ++ */ ++ ++/* ++ * Mask: Never evict this buffer. Not even with force. This type of buffer is only ++ * available to root and must be manually removed before buffer manager shutdown ++ * or lock. ++ * Flags: Acknowledge ++ */ ++#define DRM_BO_FLAG_NO_EVICT (1ULL << 4) ++ ++/* ++ * Mask: Require that the buffer is placed in mappable memory when validated. ++ * If not set the buffer may or may not be in mappable memory when validated. ++ * Flags: If set, the buffer is in mappable memory. ++ */ ++#define DRM_BO_FLAG_MAPPABLE (1ULL << 5) ++ ++/* Mask: The buffer should be shareable with other processes. ++ * Flags: The buffer is shareable with other processes. ++ */ ++#define DRM_BO_FLAG_SHAREABLE (1ULL << 6) ++ ++/* Mask: If set, place the buffer in cache-coherent memory if available. ++ * If clear, never place the buffer in cache coherent memory if validated. ++ * Flags: The buffer is currently in cache-coherent memory. ++ */ ++#define DRM_BO_FLAG_CACHED (1ULL << 7) ++ ++/* Mask: Make sure that every time this buffer is validated, ++ * it ends up on the same location provided that the memory mask is the same. ++ * The buffer will also not be evicted when claiming space for ++ * other buffers. Basically a pinned buffer but it may be thrown out as ++ * part of buffer manager shutdown or locking. ++ * Flags: Acknowledge. ++ */ ++#define DRM_BO_FLAG_NO_MOVE (1ULL << 8) ++ ++/* Mask: Make sure the buffer is in cached memory when mapped ++ * Flags: Acknowledge. ++ * Buffers allocated with this flag should not be used for suballocators ++ * This type may have issues on CPUs with over-aggressive caching ++ * http://marc.info/?l=linux-kernel&m=102376926732464&w=2 ++ */ ++#define DRM_BO_FLAG_CACHED_MAPPED (1ULL << 19) ++ ++ ++/* Mask: Force DRM_BO_FLAG_CACHED flag strictly also if it is set. ++ * Flags: Acknowledge. ++ */ ++#define DRM_BO_FLAG_FORCE_CACHING (1ULL << 13) ++ ++/* ++ * Mask: Force DRM_BO_FLAG_MAPPABLE flag strictly also if it is clear. ++ * Flags: Acknowledge. ++ */ ++#define DRM_BO_FLAG_FORCE_MAPPABLE (1ULL << 14) ++#define DRM_BO_FLAG_TILE (1ULL << 15) ++ ++/* ++ * Memory type flags that can be or'ed together in the mask, but only ++ * one appears in flags. ++ */ ++ ++/* System memory */ ++#define DRM_BO_FLAG_MEM_LOCAL (1ULL << 24) ++/* Translation table memory */ ++#define DRM_BO_FLAG_MEM_TT (1ULL << 25) ++/* Vram memory */ ++#define DRM_BO_FLAG_MEM_VRAM (1ULL << 26) ++/* Up to the driver to define. */ ++#define DRM_BO_FLAG_MEM_PRIV0 (1ULL << 27) ++#define DRM_BO_FLAG_MEM_PRIV1 (1ULL << 28) ++#define DRM_BO_FLAG_MEM_PRIV2 (1ULL << 29) ++#define DRM_BO_FLAG_MEM_PRIV3 (1ULL << 30) ++#define DRM_BO_FLAG_MEM_PRIV4 (1ULL << 31) ++/* We can add more of these now with a 64-bit flag type */ ++ ++/* Memory flag mask */ ++#define DRM_BO_MASK_MEM 0x00000000FF000000ULL ++#define DRM_BO_MASK_MEMTYPE 0x00000000FF0800A0ULL ++ ++/* Driver-private flags */ ++#define DRM_BO_MASK_DRIVER 0xFFFF000000000000ULL ++ ++/* Don't block on validate and map */ ++#define DRM_BO_HINT_DONT_BLOCK 0x00000002 ++/* Don't place this buffer on the unfenced list.*/ ++#define DRM_BO_HINT_DONT_FENCE 0x00000004 ++#define DRM_BO_HINT_WAIT_LAZY 0x00000008 ++#define DRM_BO_HINT_PRESUMED_OFFSET 0x00000010 ++ ++#define DRM_BO_INIT_MAGIC 0xfe769812 ++#define DRM_BO_INIT_MAJOR 1 ++#define DRM_BO_INIT_MINOR 0 ++#define DRM_BO_INIT_PATCH 0 ++ ++ ++struct drm_bo_info_req { ++ uint64_t mask; ++ uint64_t flags; ++ unsigned int handle; ++ unsigned int hint; ++ unsigned int fence_class; ++ unsigned int desired_tile_stride; ++ unsigned int tile_info; ++ unsigned int pad64; ++ uint64_t presumed_offset; ++}; ++ ++struct drm_bo_create_req { ++ uint64_t mask; ++ uint64_t size; ++ uint64_t buffer_start; ++ unsigned int hint; ++ unsigned int page_alignment; ++}; ++ ++ ++/* ++ * Reply flags ++ */ ++ ++#define DRM_BO_REP_BUSY 0x00000001 ++ ++struct drm_bo_info_rep { ++ uint64_t flags; ++ uint64_t mask; ++ uint64_t size; ++ uint64_t offset; ++ uint64_t arg_handle; ++ uint64_t buffer_start; ++ unsigned int handle; ++ unsigned int fence_flags; ++ unsigned int rep_flags; ++ unsigned int page_alignment; ++ unsigned int desired_tile_stride; ++ unsigned int hw_tile_stride; ++ unsigned int tile_info; ++ unsigned int pad64; ++ uint64_t expand_pad[4]; /*Future expansion */ ++}; ++ ++struct drm_bo_arg_rep { ++ struct drm_bo_info_rep bo_info; ++ int ret; ++ unsigned int pad64; ++}; ++ ++struct drm_bo_create_arg { ++ union { ++ struct drm_bo_create_req req; ++ struct drm_bo_info_rep rep; ++ } d; ++}; ++ ++struct drm_bo_handle_arg { ++ unsigned int handle; ++}; ++ ++struct drm_bo_reference_info_arg { ++ union { ++ struct drm_bo_handle_arg req; ++ struct drm_bo_info_rep rep; ++ } d; ++}; ++ ++struct drm_bo_map_wait_idle_arg { ++ union { ++ struct drm_bo_info_req req; ++ struct drm_bo_info_rep rep; ++ } d; ++}; ++ ++struct drm_bo_op_req { ++ enum { ++ drm_bo_validate, ++ drm_bo_fence, ++ drm_bo_ref_fence, ++ } op; ++ unsigned int arg_handle; ++ struct drm_bo_info_req bo_req; ++}; ++ ++ ++struct drm_bo_op_arg { ++ uint64_t next; ++ union { ++ struct drm_bo_op_req req; ++ struct drm_bo_arg_rep rep; ++ } d; ++ int handled; ++ unsigned int pad64; ++}; ++ ++ ++#define DRM_BO_MEM_LOCAL 0 ++#define DRM_BO_MEM_TT 1 ++#define DRM_BO_MEM_VRAM 2 ++#define DRM_BO_MEM_PRIV0 3 ++#define DRM_BO_MEM_PRIV1 4 ++#define DRM_BO_MEM_PRIV2 5 ++#define DRM_BO_MEM_PRIV3 6 ++#define DRM_BO_MEM_PRIV4 7 ++ ++#define DRM_BO_MEM_TYPES 8 /* For now. */ ++ ++#define DRM_BO_LOCK_UNLOCK_BM (1 << 0) ++#define DRM_BO_LOCK_IGNORE_NO_EVICT (1 << 1) ++ ++struct drm_bo_version_arg { ++ uint32_t major; ++ uint32_t minor; ++ uint32_t patchlevel; ++}; ++ ++struct drm_mm_type_arg { ++ unsigned int mem_type; ++ unsigned int lock_flags; ++}; ++ ++struct drm_mm_init_arg { ++ unsigned int magic; ++ unsigned int major; ++ unsigned int minor; ++ unsigned int mem_type; ++ uint64_t p_offset; ++ uint64_t p_size; ++}; ++ + #define DRM_IOCTL_BASE 'd' + #define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr) + #define DRM_IOR(nr,type) _IOR(DRM_IOCTL_BASE,nr,type) +@@ -688,6 +954,39 @@ + #define DRM_IOCTL_MODE_ADDFB DRM_IOWR(0xAE, struct drm_mode_fb_cmd) + #define DRM_IOCTL_MODE_RMFB DRM_IOWR(0xAF, unsigned int) + ++#define DRM_IOCTL_MM_INIT DRM_IOWR(0xc0, struct drm_mm_init_arg) ++#define DRM_IOCTL_MM_TAKEDOWN DRM_IOWR(0xc1, struct drm_mm_type_arg) ++#define DRM_IOCTL_MM_LOCK DRM_IOWR(0xc2, struct drm_mm_type_arg) ++#define DRM_IOCTL_MM_UNLOCK DRM_IOWR(0xc3, struct drm_mm_type_arg) ++ ++#define DRM_IOCTL_FENCE_CREATE DRM_IOWR(0xc4, struct drm_fence_arg) ++#define DRM_IOCTL_FENCE_REFERENCE DRM_IOWR(0xc6, struct drm_fence_arg) ++#define DRM_IOCTL_FENCE_UNREFERENCE DRM_IOWR(0xc7, struct drm_fence_arg) ++#define DRM_IOCTL_FENCE_SIGNALED DRM_IOWR(0xc8, struct drm_fence_arg) ++#define DRM_IOCTL_FENCE_FLUSH DRM_IOWR(0xc9, struct drm_fence_arg) ++#define DRM_IOCTL_FENCE_WAIT DRM_IOWR(0xca, struct drm_fence_arg) ++#define DRM_IOCTL_FENCE_EMIT DRM_IOWR(0xcb, struct drm_fence_arg) ++#define DRM_IOCTL_FENCE_BUFFERS DRM_IOWR(0xcc, struct drm_fence_arg) ++ ++#define DRM_IOCTL_BO_CREATE DRM_IOWR(0xcd, struct drm_bo_create_arg) ++#define DRM_IOCTL_BO_MAP DRM_IOWR(0xcf, struct drm_bo_map_wait_idle_arg) ++#define DRM_IOCTL_BO_UNMAP DRM_IOWR(0xd0, struct drm_bo_handle_arg) ++#define DRM_IOCTL_BO_REFERENCE DRM_IOWR(0xd1, struct drm_bo_reference_info_arg) ++#define DRM_IOCTL_BO_UNREFERENCE DRM_IOWR(0xd2, struct drm_bo_handle_arg) ++#define DRM_IOCTL_BO_SETSTATUS DRM_IOWR(0xd3, struct drm_bo_map_wait_idle_arg) ++#define DRM_IOCTL_BO_INFO DRM_IOWR(0xd4, struct drm_bo_reference_info_arg) ++#define DRM_IOCTL_BO_WAIT_IDLE DRM_IOWR(0xd5, struct drm_bo_map_wait_idle_arg) ++#define DRM_IOCTL_BO_VERSION DRM_IOR(0xd6, struct drm_bo_version_arg) ++ ++ ++#define DRM_IOCTL_MODE_GETRESOURCES DRM_IOWR(0xA0, struct drm_mode_card_res) ++#define DRM_IOCTL_MODE_GETCRTC DRM_IOWR(0xA1, struct drm_mode_crtc) ++#define DRM_IOCTL_MODE_GETOUTPUT DRM_IOWR(0xA2, struct drm_mode_get_output) ++ ++#define DRM_IOCTL_MODE_ADDMODE DRM_IOWR(0xA7, struct drm_mode_modeinfo) ++#define DRM_IOCTL_MODE_RMMODE DRM_IOWR(0xA8, unsigned int) ++/*@}*/ ++ + /** + * Device specific ioctls should only be in their respective headers + * The device specific ioctl range is from 0x40 to 0x99. +@@ -742,6 +1041,11 @@ + typedef struct drm_agp_info drm_agp_info_t; + typedef struct drm_scatter_gather drm_scatter_gather_t; + typedef struct drm_set_version drm_set_version_t; ++ ++typedef struct drm_fence_arg drm_fence_arg_t; ++typedef struct drm_mm_type_arg drm_mm_type_arg_t; ++typedef struct drm_mm_init_arg drm_mm_init_arg_t; ++typedef enum drm_bo_type drm_bo_type_t; + #endif + + #endif +Index: linux-2.6.28/include/drm/drmP.h +=================================================================== +--- linux-2.6.28.orig/include/drm/drmP.h 2009-02-20 12:22:53.000000000 +0000 ++++ linux-2.6.28/include/drm/drmP.h 2009-02-20 12:30:10.000000000 +0000 +@@ -57,6 +57,7 @@ + #include <linux/dma-mapping.h> + #include <linux/mm.h> + #include <linux/cdev.h> ++#include <linux/i2c.h> + #include <linux/mutex.h> + #if defined(__alpha__) || defined(__powerpc__) + #include <asm/pgtable.h> /* For pte_wrprotect */ +@@ -147,9 +148,24 @@ + #define DRM_MEM_CTXLIST 21 + #define DRM_MEM_MM 22 + #define DRM_MEM_HASHTAB 23 ++#define DRM_MEM_OBJECTS 24 ++#define DRM_MEM_FENCE 25 ++#define DRM_MEM_TTM 26 ++#define DRM_MEM_BUFOBJ 27 + + #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) + #define DRM_MAP_HASH_OFFSET 0x10000000 ++#define DRM_MAP_HASH_ORDER 12 ++#define DRM_OBJECT_HASH_ORDER 12 ++#define DRM_FILE_PAGE_OFFSET_START ((0xFFFFFFFFUL >> PAGE_SHIFT) + 1) ++#define DRM_FILE_PAGE_OFFSET_SIZE ((0xFFFFFFFFUL >> PAGE_SHIFT) * 16) ++/* ++ * This should be small enough to allow the use of kmalloc for hash tables ++ * instead of vmalloc. ++ */ ++ ++#define DRM_FILE_HASH_ORDER 8 ++#define DRM_MM_INIT_MAX_PAGES 256 + + /*@}*/ + +@@ -378,6 +394,14 @@ + struct drm_freelist freelist; + }; + ++ ++enum drm_ref_type { ++ _DRM_REF_USE = 0, ++ _DRM_REF_TYPE1, ++ _DRM_NO_REF_TYPES ++}; ++ ++ + /** File private data */ + struct drm_file { + int authenticated; +@@ -387,6 +411,7 @@ + unsigned long ioctl_count; + struct list_head lhead; + struct drm_minor *minor; ++ int remove_auth_on_close; + unsigned long lock_count; + + /** Mapping of mm object handles to object pointers. */ +@@ -394,6 +419,16 @@ + /** Lock for synchronization of access to object_idr. */ + spinlock_t table_lock; + ++ /* ++ * The user object hash table is global and resides in the ++ * drm_device structure. We protect the lists and hash tables with the ++ * device struct_mutex. A bit coarse-grained but probably the best ++ * option. ++ */ ++ ++ struct list_head refd_objects; ++ ++ struct drm_open_hash refd_object_hash[_DRM_NO_REF_TYPES]; + struct file *filp; + void *driver_priv; + +@@ -659,6 +694,10 @@ + void *driver_priv; /**< Private structure for driver to use */ + }; + ++#include "drm_objects.h" ++#include "drm_edid.h" ++#include "drm_crtc.h" ++ + /** + * DRM driver structure. This structure represent the common code for + * a family of cards. There will one drm_device for each card present +@@ -766,6 +805,13 @@ + int (*proc_init)(struct drm_minor *minor); + void (*proc_cleanup)(struct drm_minor *minor); + ++ /* FB routines, if present */ ++ int (*fb_probe)(struct drm_device *dev, struct drm_crtc *crtc); ++ int (*fb_remove)(struct drm_device *dev, struct drm_crtc *crtc); ++ ++ struct drm_fence_driver *fence_driver; ++ struct drm_bo_driver *bo_driver; ++ + /** + * Driver-specific constructor for drm_gem_objects, to set up + * obj->driver_private. +@@ -821,8 +867,11 @@ + */ + struct drm_device { + struct list_head driver_item; /**< list of devices per driver */ ++ //char *unique; /**< Unique identifier: e.g., busid */ ++ //int unique_len; /**< Length of unique field */ + char *devname; /**< For /proc/interrupts */ + int if_version; /**< Highest interface version set */ ++ //int blocked; /**< Blocked due to VC switch? */ + + /** \name Locks */ + /*@{ */ +@@ -847,12 +896,18 @@ + /*@} */ + + struct list_head filelist; ++ struct drm_open_hash magiclist; /**< magic hash table */ ++ struct list_head magicfree; + + /** \name Memory management */ + /*@{ */ + struct list_head maplist; /**< Linked list of regions */ + int map_count; /**< Number of mappable regions */ + struct drm_open_hash map_hash; /**< User token hash table for maps */ ++ struct drm_mm offset_manager; /**< User token manager */ ++ struct drm_open_hash object_hash; /**< User token hash table for objects */ ++ struct address_space *dev_mapping; /**< For unmap_mapping_range() */ ++ struct page *ttm_dummy_page; + + /** \name Context handle management */ + /*@{ */ +@@ -864,6 +919,7 @@ + + struct list_head vmalist; /**< List of vmas (for debugging) */ + ++ struct drm_lock_data lock; /**< Information on hardware lock */ + /*@} */ + + /** \name DMA queues (contexts) */ +@@ -936,7 +992,6 @@ + int num_crtcs; /**< Number of CRTCs on this device */ + void *dev_private; /**< device private data */ + void *mm_private; +- struct address_space *dev_mapping; + struct drm_sigdata sigdata; /**< For block_all_signals */ + sigset_t sigmask; + +@@ -945,6 +1000,8 @@ + unsigned int agp_buffer_token; + struct drm_minor *control; /**< Control node for card */ + struct drm_minor *primary; /**< render type primary screen head */ ++ struct drm_fence_manager fm; ++ struct drm_buffer_manager bm; + + /** \name Drawable information */ + /*@{ */ +@@ -976,6 +1033,27 @@ + return dev->pdev->irq; + } + ++#if __OS_HAS_AGP ++struct drm_agp_ttm_backend { ++ struct drm_ttm_backend backend; ++ DRM_AGP_MEM *mem; ++ struct agp_bridge_data *bridge; ++ int populated; ++}; ++#endif ++ ++typedef struct ati_pcigart_ttm_backend { ++ struct drm_ttm_backend backend; ++ int populated; ++ void (*gart_flush_fn)(struct drm_device *dev); ++ struct drm_ati_pcigart_info *gart_info; ++ unsigned long offset; ++ struct page **pages; ++ int num_pages; ++ int bound; ++ struct drm_device *dev; ++} ati_pcigart_ttm_backend_t; ++ + static __inline__ int drm_core_check_feature(struct drm_device *dev, + int feature) + { +@@ -1042,6 +1120,9 @@ + /* Driver support (drm_drv.h) */ + extern int drm_init(struct drm_driver *driver); + extern void drm_exit(struct drm_driver *driver); ++extern void drm_cleanup_pci(struct pci_dev *pdev); ++extern void drm_vbl_send_signals(struct drm_device *dev, int crtc); ++extern struct drm_ttm_backend *drm_agp_init_ttm(struct drm_device *dev); + extern int drm_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); + extern long drm_compat_ioctl(struct file *filp, +Index: linux-2.6.28/include/drm/drm_pciids.h +=================================================================== +--- linux-2.6.28.orig/include/drm/drm_pciids.h 2009-02-20 12:22:53.000000000 +0000 ++++ linux-2.6.28/include/drm/drm_pciids.h 2009-02-20 12:23:06.000000000 +0000 +@@ -419,3 +419,9 @@ + {0x8086, 0x2e12, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ + {0x8086, 0x2e22, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ + {0, 0, 0} ++ ++#define psb_PCI_IDS \ ++ {0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PSB_8108}, \ ++ {0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PSB_8109}, \ ++ {0, 0, 0} ++ +Index: linux-2.6.28/drivers/gpu/drm/Makefile +=================================================================== +--- linux-2.6.28.orig/drivers/gpu/drm/Makefile 2009-02-20 12:22:53.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/Makefile 2009-02-20 12:23:06.000000000 +0000 +@@ -10,6 +10,8 @@ + drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \ + drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \ + drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \ ++ drm_fence.o drm_object.o drm_ttm.o drm_bo.o \ ++ drm_bo_lock.o drm_bo_move.o drm_regman.o \ + drm_crtc.o drm_crtc_helper.o drm_modes.o drm_edid.o + + drm-$(CONFIG_COMPAT) += drm_ioc32.o +@@ -22,6 +24,7 @@ + obj-$(CONFIG_DRM_I810) += i810/ + obj-$(CONFIG_DRM_I830) += i830/ + obj-$(CONFIG_DRM_I915) += i915/ ++obj-$(CONFIG_DRM_PSB) += psb/ + obj-$(CONFIG_DRM_SIS) += sis/ + obj-$(CONFIG_DRM_SAVAGE)+= savage/ + obj-$(CONFIG_DRM_VIA) +=via/ +Index: linux-2.6.28/drivers/gpu/drm/drm_agpsupport.c +=================================================================== +--- linux-2.6.28.orig/drivers/gpu/drm/drm_agpsupport.c 2009-02-20 12:22:53.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/drm_agpsupport.c 2009-02-20 12:23:06.000000000 +0000 +@@ -502,4 +502,156 @@ + } + EXPORT_SYMBOL(drm_agp_chipset_flush); + ++/* ++ * AGP ttm backend interface. ++ */ ++ ++#ifndef AGP_USER_TYPES ++#define AGP_USER_TYPES (1 << 16) ++#define AGP_USER_MEMORY (AGP_USER_TYPES) ++#define AGP_USER_CACHED_MEMORY (AGP_USER_TYPES + 1) ++#endif ++#define AGP_REQUIRED_MAJOR 0 ++#define AGP_REQUIRED_MINOR 102 ++ ++static int drm_agp_needs_unbind_cache_adjust(struct drm_ttm_backend *backend) ++{ ++ return ((backend->flags & DRM_BE_FLAG_BOUND_CACHED) ? 0 : 1); ++} ++ ++ ++static int drm_agp_populate(struct drm_ttm_backend *backend, ++ unsigned long num_pages, struct page **pages) ++{ ++ struct drm_agp_ttm_backend *agp_be = ++ container_of(backend, struct drm_agp_ttm_backend, backend); ++ struct page **cur_page, **last_page = pages + num_pages; ++ DRM_AGP_MEM *mem; ++ ++ DRM_DEBUG("drm_agp_populate_ttm\n"); ++ mem = drm_agp_allocate_memory(agp_be->bridge, num_pages, AGP_USER_MEMORY); ++ if (!mem) ++ return -ENOMEM; ++ ++ DRM_DEBUG("Current page count is %ld\n", (long) mem->page_count); ++ mem->page_count = 0; ++ for (cur_page = pages; cur_page < last_page; ++cur_page) ++ mem->memory[mem->page_count++] = phys_to_gart(page_to_phys(*cur_page)); ++ agp_be->mem = mem; ++ return 0; ++} ++ ++static int drm_agp_bind_ttm(struct drm_ttm_backend *backend, ++ struct drm_bo_mem_reg *bo_mem) ++{ ++ struct drm_agp_ttm_backend *agp_be = ++ container_of(backend, struct drm_agp_ttm_backend, backend); ++ DRM_AGP_MEM *mem = agp_be->mem; ++ int ret; ++ int snooped = (bo_mem->flags & DRM_BO_FLAG_CACHED) && !(bo_mem->flags & DRM_BO_FLAG_CACHED_MAPPED); ++ ++ DRM_DEBUG("drm_agp_bind_ttm\n"); ++ mem->is_flushed = 1; ++ mem->type = AGP_USER_MEMORY; ++ /* CACHED MAPPED implies not snooped memory */ ++ if (snooped) ++ mem->type = AGP_USER_CACHED_MEMORY; ++ ++ ret = drm_agp_bind_memory(mem, bo_mem->mm_node->start); ++ if (ret) ++ DRM_ERROR("AGP Bind memory failed\n"); ++ ++ DRM_FLAG_MASKED(backend->flags, (bo_mem->flags & DRM_BO_FLAG_CACHED) ? ++ DRM_BE_FLAG_BOUND_CACHED : 0, ++ DRM_BE_FLAG_BOUND_CACHED); ++ return ret; ++} ++ ++static int drm_agp_unbind_ttm(struct drm_ttm_backend *backend) ++{ ++ struct drm_agp_ttm_backend *agp_be = ++ container_of(backend, struct drm_agp_ttm_backend, backend); ++ ++ DRM_DEBUG("drm_agp_unbind_ttm\n"); ++ if (agp_be->mem->is_bound) ++ return drm_agp_unbind_memory(agp_be->mem); ++ else ++ return 0; ++} ++ ++static void drm_agp_clear_ttm(struct drm_ttm_backend *backend) ++{ ++ struct drm_agp_ttm_backend *agp_be = ++ container_of(backend, struct drm_agp_ttm_backend, backend); ++ DRM_AGP_MEM *mem = agp_be->mem; ++ ++ DRM_DEBUG("drm_agp_clear_ttm\n"); ++ if (mem) { ++ backend->func->unbind(backend); ++ agp_free_memory(mem); ++ } ++ agp_be->mem = NULL; ++} ++ ++static void drm_agp_destroy_ttm(struct drm_ttm_backend *backend) ++{ ++ struct drm_agp_ttm_backend *agp_be; ++ ++ if (backend) { ++ DRM_DEBUG("drm_agp_destroy_ttm\n"); ++ agp_be = container_of(backend, struct drm_agp_ttm_backend, backend); ++ if (agp_be && agp_be->mem) ++ backend->func->clear(backend); ++ } ++} ++ ++static struct drm_ttm_backend_func agp_ttm_backend = { ++ .needs_ub_cache_adjust = drm_agp_needs_unbind_cache_adjust, ++ .populate = drm_agp_populate, ++ .clear = drm_agp_clear_ttm, ++ .bind = drm_agp_bind_ttm, ++ .unbind = drm_agp_unbind_ttm, ++ .destroy = drm_agp_destroy_ttm, ++}; ++ ++struct drm_ttm_backend *drm_agp_init_ttm(struct drm_device *dev) ++{ ++ ++ struct drm_agp_ttm_backend *agp_be; ++ struct agp_kern_info *info; ++ ++ if (!dev->agp) { ++ DRM_ERROR("AGP is not initialized.\n"); ++ return NULL; ++ } ++ info = &dev->agp->agp_info; ++ ++ if (info->version.major != AGP_REQUIRED_MAJOR || ++ info->version.minor < AGP_REQUIRED_MINOR) { ++ DRM_ERROR("Wrong agpgart version %d.%d\n" ++ "\tYou need at least version %d.%d.\n", ++ info->version.major, ++ info->version.minor, ++ AGP_REQUIRED_MAJOR, ++ AGP_REQUIRED_MINOR); ++ return NULL; ++ } ++ ++ ++ agp_be = drm_calloc(1, sizeof(*agp_be), DRM_MEM_TTM); ++ if (!agp_be) ++ return NULL; ++ ++ agp_be->mem = NULL; ++ ++ agp_be->bridge = dev->agp->bridge; ++ agp_be->populated = 0; ++ agp_be->backend.func = &agp_ttm_backend; ++ agp_be->backend.dev = dev; ++ ++ return &agp_be->backend; ++} ++EXPORT_SYMBOL(drm_agp_init_ttm); ++ ++ + #endif /* __OS_HAS_AGP */ +Index: linux-2.6.28/drivers/gpu/drm/drm_bo.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/drm_bo.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,2660 @@ ++/************************************************************************** ++ * ++ * Copyright (c) 2006-2007 Tungsten Graphics, Inc., Cedar Park, TX., USA ++ * All Rights Reserved. ++ * ++ * Permission is hereby granted, free of charge, to any person obtaining a ++ * copy of this software and associated documentation files (the ++ * "Software"), to deal in the Software without restriction, including ++ * without limitation the rights to use, copy, modify, merge, publish, ++ * distribute, sub license, and/or sell copies of the Software, and to ++ * permit persons to whom the Software is furnished to do so, subject to ++ * the following conditions: ++ * ++ * The above copyright notice and this permission notice (including the ++ * next paragraph) shall be included in all copies or substantial portions ++ * of the Software. ++ * ++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ++ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ++ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL ++ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, ++ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR ++ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE ++ * USE OR OTHER DEALINGS IN THE SOFTWARE. ++ * ++ **************************************************************************/ ++/* ++ * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com> ++ */ ++ ++#include "drmP.h" ++ ++/* ++ * Locking may look a bit complicated but isn't really: ++ * ++ * The buffer usage atomic_t needs to be protected by dev->struct_mutex ++ * when there is a chance that it can be zero before or after the operation. ++ * ++ * dev->struct_mutex also protects all lists and list heads, ++ * Hash tables and hash heads. ++ * ++ * bo->mutex protects the buffer object itself excluding the usage field. ++ * bo->mutex does also protect the buffer list heads, so to manipulate those, ++ * we need both the bo->mutex and the dev->struct_mutex. ++ * ++ * Locking order is bo->mutex, dev->struct_mutex. Therefore list traversal ++ * is a bit complicated. When dev->struct_mutex is released to grab bo->mutex, ++ * the list traversal will, in general, need to be restarted. ++ * ++ */ ++ ++static void drm_bo_destroy_locked(struct drm_buffer_object *bo); ++static int drm_bo_setup_vm_locked(struct drm_buffer_object *bo); ++static void drm_bo_takedown_vm_locked(struct drm_buffer_object *bo); ++static void drm_bo_unmap_virtual(struct drm_buffer_object *bo); ++ ++static inline uint64_t drm_bo_type_flags(unsigned type) ++{ ++ return (1ULL << (24 + type)); ++} ++ ++/* ++ * bo locked. dev->struct_mutex locked. ++ */ ++ ++void drm_bo_add_to_pinned_lru(struct drm_buffer_object *bo) ++{ ++ struct drm_mem_type_manager *man; ++ ++ DRM_ASSERT_LOCKED(&bo->dev->struct_mutex); ++ DRM_ASSERT_LOCKED(&bo->mutex); ++ ++ man = &bo->dev->bm.man[bo->pinned_mem_type]; ++ list_add_tail(&bo->pinned_lru, &man->pinned); ++} ++ ++void drm_bo_add_to_lru(struct drm_buffer_object *bo) ++{ ++ struct drm_mem_type_manager *man; ++ ++ DRM_ASSERT_LOCKED(&bo->dev->struct_mutex); ++ ++ if (!(bo->mem.mask & (DRM_BO_FLAG_NO_MOVE | DRM_BO_FLAG_NO_EVICT)) ++ || bo->mem.mem_type != bo->pinned_mem_type) { ++ man = &bo->dev->bm.man[bo->mem.mem_type]; ++ list_add_tail(&bo->lru, &man->lru); ++ } else { ++ INIT_LIST_HEAD(&bo->lru); ++ } ++} ++ ++static int drm_bo_vm_pre_move(struct drm_buffer_object *bo, int old_is_pci) ++{ ++#ifdef DRM_ODD_MM_COMPAT ++ int ret; ++ ++ if (!bo->map_list.map) ++ return 0; ++ ++ ret = drm_bo_lock_kmm(bo); ++ if (ret) ++ return ret; ++ drm_bo_unmap_virtual(bo); ++ if (old_is_pci) ++ drm_bo_finish_unmap(bo); ++#else ++ if (!bo->map_list.map) ++ return 0; ++ ++ drm_bo_unmap_virtual(bo); ++#endif ++ return 0; ++} ++ ++static void drm_bo_vm_post_move(struct drm_buffer_object *bo) ++{ ++#ifdef DRM_ODD_MM_COMPAT ++ int ret; ++ ++ if (!bo->map_list.map) ++ return; ++ ++ ret = drm_bo_remap_bound(bo); ++ if (ret) { ++ DRM_ERROR("Failed to remap a bound buffer object.\n" ++ "\tThis might cause a sigbus later.\n"); ++ } ++ drm_bo_unlock_kmm(bo); ++#endif ++} ++ ++/* ++ * Call bo->mutex locked. ++ */ ++ ++static int drm_bo_add_ttm(struct drm_buffer_object *bo) ++{ ++ struct drm_device *dev = bo->dev; ++ int ret = 0; ++ ++ DRM_ASSERT_LOCKED(&bo->mutex); ++ bo->ttm = NULL; ++ ++ switch (bo->type) { ++ case drm_bo_type_dc: ++ case drm_bo_type_kernel: ++ bo->ttm = drm_ttm_init(dev, bo->num_pages << PAGE_SHIFT); ++ if (!bo->ttm) ++ ret = -ENOMEM; ++ break; ++ case drm_bo_type_user: ++ bo->ttm = drm_ttm_init(dev, bo->num_pages << PAGE_SHIFT); ++ if (!bo->ttm) ++ ret = -ENOMEM; ++ ++ ret = drm_ttm_set_user(bo->ttm, current, ++ bo->mem.mask & DRM_BO_FLAG_WRITE, ++ bo->buffer_start, ++ bo->num_pages, ++ dev->bm.dummy_read_page); ++ if (ret) ++ return ret; ++ ++ break; ++ default: ++ DRM_ERROR("Illegal buffer object type\n"); ++ ret = -EINVAL; ++ break; ++ } ++ ++ return ret; ++} ++ ++static int drm_bo_handle_move_mem(struct drm_buffer_object *bo, ++ struct drm_bo_mem_reg *mem, ++ int evict, int no_wait) ++{ ++ struct drm_device *dev = bo->dev; ++ struct drm_buffer_manager *bm = &dev->bm; ++ int old_is_pci = drm_mem_reg_is_pci(dev, &bo->mem); ++ int new_is_pci = drm_mem_reg_is_pci(dev, mem); ++ struct drm_mem_type_manager *old_man = &bm->man[bo->mem.mem_type]; ++ struct drm_mem_type_manager *new_man = &bm->man[mem->mem_type]; ++ int ret = 0; ++ ++ if (old_is_pci || new_is_pci || ++ ((mem->flags ^ bo->mem.flags) & DRM_BO_FLAG_CACHED)) ++ ret = drm_bo_vm_pre_move(bo, old_is_pci); ++ if (ret) ++ return ret; ++ ++ /* ++ * Create and bind a ttm if required. ++ */ ++ ++ if (!(new_man->flags & _DRM_FLAG_MEMTYPE_FIXED) && (bo->ttm == NULL)) { ++ ret = drm_bo_add_ttm(bo); ++ if (ret) ++ goto out_err; ++ ++ if (mem->mem_type != DRM_BO_MEM_LOCAL) { ++ ret = drm_bind_ttm(bo->ttm, mem); ++ if (ret) ++ goto out_err; ++ } ++ ++ if (bo->mem.mem_type == DRM_BO_MEM_LOCAL) { ++ ++ struct drm_bo_mem_reg *old_mem = &bo->mem; ++ uint64_t save_flags = old_mem->flags; ++ uint64_t save_mask = old_mem->mask; ++ ++ *old_mem = *mem; ++ mem->mm_node = NULL; ++ old_mem->mask = save_mask; ++ DRM_FLAG_MASKED(save_flags, mem->flags, ++ DRM_BO_MASK_MEMTYPE); ++ goto moved; ++ } ++ ++ } ++ ++ if (!(old_man->flags & _DRM_FLAG_MEMTYPE_FIXED) && ++ !(new_man->flags & _DRM_FLAG_MEMTYPE_FIXED)) { ++ ++ ret = drm_bo_move_ttm(bo, evict, no_wait, mem); ++ ++ } else if (dev->driver->bo_driver->move) { ++ ret = dev->driver->bo_driver->move(bo, evict, no_wait, mem); ++ ++ } else { ++ ++ ret = drm_bo_move_memcpy(bo, evict, no_wait, mem); ++ ++ } ++ ++ if (ret) ++ goto out_err; ++ ++moved: ++ if (old_is_pci || new_is_pci) ++ drm_bo_vm_post_move(bo); ++ ++ if (bo->priv_flags & _DRM_BO_FLAG_EVICTED) { ++ ret = ++ dev->driver->bo_driver->invalidate_caches(dev, ++ bo->mem.flags); ++ if (ret) ++ DRM_ERROR("Can not flush read caches\n"); ++ } ++ ++ DRM_FLAG_MASKED(bo->priv_flags, ++ (evict) ? _DRM_BO_FLAG_EVICTED : 0, ++ _DRM_BO_FLAG_EVICTED); ++ ++ if (bo->mem.mm_node) ++ bo->offset = (bo->mem.mm_node->start << PAGE_SHIFT) + ++ bm->man[bo->mem.mem_type].gpu_offset; ++ ++ ++ return 0; ++ ++out_err: ++ if (old_is_pci || new_is_pci) ++ drm_bo_vm_post_move(bo); ++ ++ new_man = &bm->man[bo->mem.mem_type]; ++ if ((new_man->flags & _DRM_FLAG_MEMTYPE_FIXED) && bo->ttm) { ++ drm_ttm_unbind(bo->ttm); ++ drm_destroy_ttm(bo->ttm); ++ bo->ttm = NULL; ++ } ++ ++ return ret; ++} ++ ++/* ++ * Call bo->mutex locked. ++ * Wait until the buffer is idle. ++ */ ++ ++int drm_bo_wait(struct drm_buffer_object *bo, int lazy, int ignore_signals, ++ int no_wait) ++{ ++ int ret; ++ ++ DRM_ASSERT_LOCKED(&bo->mutex); ++ ++ if (bo->fence) { ++ if (drm_fence_object_signaled(bo->fence, bo->fence_type)) { ++ drm_fence_usage_deref_unlocked(&bo->fence); ++ return 0; ++ } ++ if (no_wait) ++ return -EBUSY; ++ ++ ret = drm_fence_object_wait(bo->fence, lazy, ignore_signals, ++ bo->fence_type); ++ if (ret) ++ return ret; ++ ++ drm_fence_usage_deref_unlocked(&bo->fence); ++ } ++ return 0; ++} ++EXPORT_SYMBOL(drm_bo_wait); ++ ++static int drm_bo_expire_fence(struct drm_buffer_object *bo, int allow_errors) ++{ ++ struct drm_device *dev = bo->dev; ++ struct drm_buffer_manager *bm = &dev->bm; ++ ++ if (bo->fence) { ++ if (bm->nice_mode) { ++ unsigned long _end = jiffies + 3 * DRM_HZ; ++ int ret; ++ do { ++ ret = drm_bo_wait(bo, 0, 1, 0); ++ if (ret && allow_errors) ++ return ret; ++ ++ } while (ret && !time_after_eq(jiffies, _end)); ++ ++ if (bo->fence) { ++ bm->nice_mode = 0; ++ DRM_ERROR("Detected GPU lockup or " ++ "fence driver was taken down. " ++ "Evicting buffer.\n"); ++ } ++ } ++ if (bo->fence) ++ drm_fence_usage_deref_unlocked(&bo->fence); ++ } ++ return 0; ++} ++ ++/* ++ * Call dev->struct_mutex locked. ++ * Attempts to remove all private references to a buffer by expiring its ++ * fence object and removing from lru lists and memory managers. ++ */ ++ ++static void drm_bo_cleanup_refs(struct drm_buffer_object *bo, int remove_all) ++{ ++ struct drm_device *dev = bo->dev; ++ struct drm_buffer_manager *bm = &dev->bm; ++ ++ DRM_ASSERT_LOCKED(&dev->struct_mutex); ++ ++ atomic_inc(&bo->usage); ++ mutex_unlock(&dev->struct_mutex); ++ mutex_lock(&bo->mutex); ++ ++ DRM_FLAG_MASKED(bo->priv_flags, 0, _DRM_BO_FLAG_UNFENCED); ++ ++ if (bo->fence && drm_fence_object_signaled(bo->fence, ++ bo->fence_type)) ++ drm_fence_usage_deref_unlocked(&bo->fence); ++ ++ if (bo->fence && remove_all) ++ (void)drm_bo_expire_fence(bo, 0); ++ ++ mutex_lock(&dev->struct_mutex); ++ ++ if (!atomic_dec_and_test(&bo->usage)) ++ goto out; ++ ++ if (!bo->fence) { ++ list_del_init(&bo->lru); ++ if (bo->mem.mm_node) { ++ drm_mm_put_block(bo->mem.mm_node); ++ if (bo->pinned_node == bo->mem.mm_node) ++ bo->pinned_node = NULL; ++ bo->mem.mm_node = NULL; ++ } ++ list_del_init(&bo->pinned_lru); ++ if (bo->pinned_node) { ++ drm_mm_put_block(bo->pinned_node); ++ bo->pinned_node = NULL; ++ } ++ list_del_init(&bo->ddestroy); ++ mutex_unlock(&bo->mutex); ++ drm_bo_destroy_locked(bo); ++ return; ++ } ++ ++ if (list_empty(&bo->ddestroy)) { ++ drm_fence_object_flush(bo->fence, bo->fence_type); ++ list_add_tail(&bo->ddestroy, &bm->ddestroy); ++ schedule_delayed_work(&bm->wq, ++ ((DRM_HZ / 100) < 1) ? 1 : DRM_HZ / 100); ++ } ++ ++out: ++ mutex_unlock(&bo->mutex); ++ return; ++} ++ ++static void drm_bo_unreserve_size(unsigned long size) ++{ ++ //drm_free_memctl(size); ++} ++ ++/* ++ * Verify that refcount is 0 and that there are no internal references ++ * to the buffer object. Then destroy it. ++ */ ++ ++static void drm_bo_destroy_locked(struct drm_buffer_object *bo) ++{ ++ struct drm_device *dev = bo->dev; ++ struct drm_buffer_manager *bm = &dev->bm; ++ unsigned long reserved_size; ++ ++ DRM_ASSERT_LOCKED(&dev->struct_mutex); ++ ++ if (list_empty(&bo->lru) && bo->mem.mm_node == NULL && ++ list_empty(&bo->pinned_lru) && bo->pinned_node == NULL && ++ list_empty(&bo->ddestroy) && atomic_read(&bo->usage) == 0) { ++ if (bo->fence != NULL) { ++ DRM_ERROR("Fence was non-zero.\n"); ++ drm_bo_cleanup_refs(bo, 0); ++ return; ++ } ++ ++#ifdef DRM_ODD_MM_COMPAT ++ BUG_ON(!list_empty(&bo->vma_list)); ++ BUG_ON(!list_empty(&bo->p_mm_list)); ++#endif ++ ++ if (bo->ttm) { ++ drm_ttm_unbind(bo->ttm); ++ drm_destroy_ttm(bo->ttm); ++ bo->ttm = NULL; ++ } ++ ++ atomic_dec(&bm->count); ++ ++ reserved_size = bo->reserved_size; ++ ++ drm_free(bo, sizeof(*bo), DRM_MEM_BUFOBJ); ++ drm_bo_unreserve_size(reserved_size); ++ ++ return; ++ } ++ ++ /* ++ * Some stuff is still trying to reference the buffer object. ++ * Get rid of those references. ++ */ ++ ++ drm_bo_cleanup_refs(bo, 0); ++ ++ return; ++} ++ ++/* ++ * Call dev->struct_mutex locked. ++ */ ++ ++static void drm_bo_delayed_delete(struct drm_device *dev, int remove_all) ++{ ++ struct drm_buffer_manager *bm = &dev->bm; ++ ++ struct drm_buffer_object *entry, *nentry; ++ struct list_head *list, *next; ++ ++ list_for_each_safe(list, next, &bm->ddestroy) { ++ entry = list_entry(list, struct drm_buffer_object, ddestroy); ++ ++ nentry = NULL; ++ if (next != &bm->ddestroy) { ++ nentry = list_entry(next, struct drm_buffer_object, ++ ddestroy); ++ atomic_inc(&nentry->usage); ++ } ++ ++ drm_bo_cleanup_refs(entry, remove_all); ++ ++ if (nentry) ++ atomic_dec(&nentry->usage); ++ } ++} ++ ++static void drm_bo_delayed_workqueue(struct work_struct *work) ++{ ++ struct drm_buffer_manager *bm = ++ container_of(work, struct drm_buffer_manager, wq.work); ++ struct drm_device *dev = container_of(bm, struct drm_device, bm); ++ ++ DRM_DEBUG("Delayed delete Worker\n"); ++ ++ mutex_lock(&dev->struct_mutex); ++ if (!bm->initialized) { ++ mutex_unlock(&dev->struct_mutex); ++ return; ++ } ++ drm_bo_delayed_delete(dev, 0); ++ if (bm->initialized && !list_empty(&bm->ddestroy)) { ++ schedule_delayed_work(&bm->wq, ++ ((DRM_HZ / 100) < 1) ? 1 : DRM_HZ / 100); ++ } ++ mutex_unlock(&dev->struct_mutex); ++} ++ ++void drm_bo_usage_deref_locked(struct drm_buffer_object **bo) ++{ ++ struct drm_buffer_object *tmp_bo = *bo; ++ bo = NULL; ++ ++ DRM_ASSERT_LOCKED(&tmp_bo->dev->struct_mutex); ++ ++ if (atomic_dec_and_test(&tmp_bo->usage)) ++ drm_bo_destroy_locked(tmp_bo); ++} ++EXPORT_SYMBOL(drm_bo_usage_deref_locked); ++ ++static void drm_bo_base_deref_locked(struct drm_file *file_priv, ++ struct drm_user_object *uo) ++{ ++ struct drm_buffer_object *bo = ++ drm_user_object_entry(uo, struct drm_buffer_object, base); ++ ++ DRM_ASSERT_LOCKED(&bo->dev->struct_mutex); ++ ++ drm_bo_takedown_vm_locked(bo); ++ drm_bo_usage_deref_locked(&bo); ++} ++ ++void drm_bo_usage_deref_unlocked(struct drm_buffer_object **bo) ++{ ++ struct drm_buffer_object *tmp_bo = *bo; ++ struct drm_device *dev = tmp_bo->dev; ++ ++ *bo = NULL; ++ if (atomic_dec_and_test(&tmp_bo->usage)) { ++ mutex_lock(&dev->struct_mutex); ++ if (atomic_read(&tmp_bo->usage) == 0) ++ drm_bo_destroy_locked(tmp_bo); ++ mutex_unlock(&dev->struct_mutex); ++ } ++} ++EXPORT_SYMBOL(drm_bo_usage_deref_unlocked); ++ ++void drm_putback_buffer_objects(struct drm_device *dev) ++{ ++ struct drm_buffer_manager *bm = &dev->bm; ++ struct list_head *list = &bm->unfenced; ++ struct drm_buffer_object *entry, *next; ++ ++ mutex_lock(&dev->struct_mutex); ++ list_for_each_entry_safe(entry, next, list, lru) { ++ atomic_inc(&entry->usage); ++ mutex_unlock(&dev->struct_mutex); ++ ++ mutex_lock(&entry->mutex); ++ BUG_ON(!(entry->priv_flags & _DRM_BO_FLAG_UNFENCED)); ++ mutex_lock(&dev->struct_mutex); ++ ++ list_del_init(&entry->lru); ++ DRM_FLAG_MASKED(entry->priv_flags, 0, _DRM_BO_FLAG_UNFENCED); ++ wake_up_all(&entry->event_queue); ++ ++ /* ++ * FIXME: Might want to put back on head of list ++ * instead of tail here. ++ */ ++ ++ drm_bo_add_to_lru(entry); ++ mutex_unlock(&entry->mutex); ++ drm_bo_usage_deref_locked(&entry); ++ } ++ mutex_unlock(&dev->struct_mutex); ++} ++EXPORT_SYMBOL(drm_putback_buffer_objects); ++ ++ ++/* ++ * Note. The caller has to register (if applicable) ++ * and deregister fence object usage. ++ */ ++ ++int drm_fence_buffer_objects(struct drm_device *dev, ++ struct list_head *list, ++ uint32_t fence_flags, ++ struct drm_fence_object *fence, ++ struct drm_fence_object **used_fence) ++{ ++ struct drm_buffer_manager *bm = &dev->bm; ++ struct drm_buffer_object *entry; ++ uint32_t fence_type = 0; ++ uint32_t fence_class = ~0; ++ int count = 0; ++ int ret = 0; ++ struct list_head *l; ++ ++ mutex_lock(&dev->struct_mutex); ++ ++ if (!list) ++ list = &bm->unfenced; ++ ++ if (fence) ++ fence_class = fence->fence_class; ++ ++ list_for_each_entry(entry, list, lru) { ++ BUG_ON(!(entry->priv_flags & _DRM_BO_FLAG_UNFENCED)); ++ fence_type |= entry->new_fence_type; ++ if (fence_class == ~0) ++ fence_class = entry->new_fence_class; ++ else if (entry->new_fence_class != fence_class) { ++ DRM_ERROR("Unmatching fence classes on unfenced list: " ++ "%d and %d.\n", ++ fence_class, ++ entry->new_fence_class); ++ ret = -EINVAL; ++ goto out; ++ } ++ count++; ++ } ++ ++ if (!count) { ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ if (fence) { ++ if ((fence_type & fence->type) != fence_type || ++ (fence->fence_class != fence_class)) { ++ DRM_ERROR("Given fence doesn't match buffers " ++ "on unfenced list.\n"); ++ ret = -EINVAL; ++ goto out; ++ } ++ } else { ++ mutex_unlock(&dev->struct_mutex); ++ ret = drm_fence_object_create(dev, fence_class, fence_type, ++ fence_flags | DRM_FENCE_FLAG_EMIT, ++ &fence); ++ mutex_lock(&dev->struct_mutex); ++ if (ret) ++ goto out; ++ } ++ ++ count = 0; ++ l = list->next; ++ while (l != list) { ++ prefetch(l->next); ++ entry = list_entry(l, struct drm_buffer_object, lru); ++ atomic_inc(&entry->usage); ++ mutex_unlock(&dev->struct_mutex); ++ mutex_lock(&entry->mutex); ++ mutex_lock(&dev->struct_mutex); ++ list_del_init(l); ++ if (entry->priv_flags & _DRM_BO_FLAG_UNFENCED) { ++ count++; ++ if (entry->fence) ++ drm_fence_usage_deref_locked(&entry->fence); ++ entry->fence = drm_fence_reference_locked(fence); ++ entry->fence_class = entry->new_fence_class; ++ entry->fence_type = entry->new_fence_type; ++ DRM_FLAG_MASKED(entry->priv_flags, 0, ++ _DRM_BO_FLAG_UNFENCED); ++ wake_up_all(&entry->event_queue); ++ drm_bo_add_to_lru(entry); ++ } ++ mutex_unlock(&entry->mutex); ++ drm_bo_usage_deref_locked(&entry); ++ l = list->next; ++ } ++ DRM_DEBUG("Fenced %d buffers\n", count); ++out: ++ mutex_unlock(&dev->struct_mutex); ++ *used_fence = fence; ++ return ret; ++} ++EXPORT_SYMBOL(drm_fence_buffer_objects); ++ ++/* ++ * bo->mutex locked ++ */ ++ ++static int drm_bo_evict(struct drm_buffer_object *bo, unsigned mem_type, ++ int no_wait) ++{ ++ int ret = 0; ++ struct drm_device *dev = bo->dev; ++ struct drm_bo_mem_reg evict_mem; ++ ++ /* ++ * Someone might have modified the buffer before we took the ++ * buffer mutex. ++ */ ++ ++ if (bo->priv_flags & _DRM_BO_FLAG_UNFENCED) ++ goto out; ++ if (bo->mem.mem_type != mem_type) ++ goto out; ++ ++ ret = drm_bo_wait(bo, 0, 0, no_wait); ++ ++ if (ret && ret != -EAGAIN) { ++ DRM_ERROR("Failed to expire fence before " ++ "buffer eviction.\n"); ++ goto out; ++ } ++ ++ evict_mem = bo->mem; ++ evict_mem.mm_node = NULL; ++ ++ evict_mem = bo->mem; ++ evict_mem.mask = dev->driver->bo_driver->evict_mask(bo); ++ ret = drm_bo_mem_space(bo, &evict_mem, no_wait); ++ ++ if (ret) { ++ if (ret != -EAGAIN) ++ DRM_ERROR("Failed to find memory space for " ++ "buffer 0x%p eviction.\n", bo); ++ goto out; ++ } ++ ++ ret = drm_bo_handle_move_mem(bo, &evict_mem, 1, no_wait); ++ ++ if (ret) { ++ if (ret != -EAGAIN) ++ DRM_ERROR("Buffer eviction failed\n"); ++ goto out; ++ } ++ ++ mutex_lock(&dev->struct_mutex); ++ if (evict_mem.mm_node) { ++ if (evict_mem.mm_node != bo->pinned_node) ++ drm_mm_put_block(evict_mem.mm_node); ++ evict_mem.mm_node = NULL; ++ } ++ list_del(&bo->lru); ++ drm_bo_add_to_lru(bo); ++ mutex_unlock(&dev->struct_mutex); ++ ++ DRM_FLAG_MASKED(bo->priv_flags, _DRM_BO_FLAG_EVICTED, ++ _DRM_BO_FLAG_EVICTED); ++ ++out: ++ return ret; ++} ++ ++/** ++ * Repeatedly evict memory from the LRU for @mem_type until we create enough ++ * space, or we've evicted everything and there isn't enough space. ++ */ ++static int drm_bo_mem_force_space(struct drm_device *dev, ++ struct drm_bo_mem_reg *mem, ++ uint32_t mem_type, int no_wait) ++{ ++ struct drm_mm_node *node; ++ struct drm_buffer_manager *bm = &dev->bm; ++ struct drm_buffer_object *entry; ++ struct drm_mem_type_manager *man = &bm->man[mem_type]; ++ struct list_head *lru; ++ unsigned long num_pages = mem->num_pages; ++ int ret; ++ ++ mutex_lock(&dev->struct_mutex); ++ do { ++ node = drm_mm_search_free(&man->manager, num_pages, ++ mem->page_alignment, 1); ++ if (node) ++ break; ++ ++ lru = &man->lru; ++ if (lru->next == lru) ++ break; ++ ++ entry = list_entry(lru->next, struct drm_buffer_object, lru); ++ atomic_inc(&entry->usage); ++ mutex_unlock(&dev->struct_mutex); ++ mutex_lock(&entry->mutex); ++ BUG_ON(entry->mem.flags & (DRM_BO_FLAG_NO_MOVE | DRM_BO_FLAG_NO_EVICT)); ++ ++ ret = drm_bo_evict(entry, mem_type, no_wait); ++ mutex_unlock(&entry->mutex); ++ drm_bo_usage_deref_unlocked(&entry); ++ if (ret) ++ return ret; ++ mutex_lock(&dev->struct_mutex); ++ } while (1); ++ ++ if (!node) { ++ mutex_unlock(&dev->struct_mutex); ++ return -ENOMEM; ++ } ++ ++ node = drm_mm_get_block(node, num_pages, mem->page_alignment); ++ if (!node) { ++ mutex_unlock(&dev->struct_mutex); ++ return -ENOMEM; ++ } ++ ++ mutex_unlock(&dev->struct_mutex); ++ mem->mm_node = node; ++ mem->mem_type = mem_type; ++ return 0; ++} ++ ++static int drm_bo_mt_compatible(struct drm_mem_type_manager *man, ++ int disallow_fixed, ++ uint32_t mem_type, ++ uint64_t mask, uint32_t *res_mask) ++{ ++ uint64_t cur_flags = drm_bo_type_flags(mem_type); ++ uint64_t flag_diff; ++ ++ if ((man->flags & _DRM_FLAG_MEMTYPE_FIXED) && disallow_fixed) ++ return 0; ++ if (man->flags & _DRM_FLAG_MEMTYPE_CACHED) ++ cur_flags |= DRM_BO_FLAG_CACHED; ++ if (man->flags & _DRM_FLAG_MEMTYPE_MAPPABLE) ++ cur_flags |= DRM_BO_FLAG_MAPPABLE; ++ if (man->flags & _DRM_FLAG_MEMTYPE_CSELECT) ++ DRM_FLAG_MASKED(cur_flags, mask, DRM_BO_FLAG_CACHED); ++ ++ if ((cur_flags & mask & DRM_BO_MASK_MEM) == 0) ++ return 0; ++ ++ if (mem_type == DRM_BO_MEM_LOCAL) { ++ *res_mask = cur_flags; ++ return 1; ++ } ++ ++ flag_diff = (mask ^ cur_flags); ++ if (flag_diff & DRM_BO_FLAG_CACHED_MAPPED) ++ cur_flags |= DRM_BO_FLAG_CACHED_MAPPED; ++ ++ if ((flag_diff & DRM_BO_FLAG_CACHED) && ++ (!(mask & DRM_BO_FLAG_CACHED) || ++ (mask & DRM_BO_FLAG_FORCE_CACHING))) ++ return 0; ++ ++ if ((flag_diff & DRM_BO_FLAG_MAPPABLE) && ++ ((mask & DRM_BO_FLAG_MAPPABLE) || ++ (mask & DRM_BO_FLAG_FORCE_MAPPABLE))) ++ return 0; ++ ++ *res_mask = cur_flags; ++ return 1; ++} ++ ++/** ++ * Creates space for memory region @mem according to its type. ++ * ++ * This function first searches for free space in compatible memory types in ++ * the priority order defined by the driver. If free space isn't found, then ++ * drm_bo_mem_force_space is attempted in priority order to evict and find ++ * space. ++ */ ++int drm_bo_mem_space(struct drm_buffer_object *bo, ++ struct drm_bo_mem_reg *mem, int no_wait) ++{ ++ struct drm_device *dev = bo->dev; ++ struct drm_buffer_manager *bm = &dev->bm; ++ struct drm_mem_type_manager *man; ++ ++ uint32_t num_prios = dev->driver->bo_driver->num_mem_type_prio; ++ const uint32_t *prios = dev->driver->bo_driver->mem_type_prio; ++ uint32_t i; ++ uint32_t mem_type = DRM_BO_MEM_LOCAL; ++ uint32_t cur_flags; ++ int type_found = 0; ++ int type_ok = 0; ++ int has_eagain = 0; ++ struct drm_mm_node *node = NULL; ++ int ret; ++ ++ mem->mm_node = NULL; ++ for (i = 0; i < num_prios; ++i) { ++ mem_type = prios[i]; ++ man = &bm->man[mem_type]; ++ ++ type_ok = drm_bo_mt_compatible(man, ++ bo->type == drm_bo_type_user, ++ mem_type, mem->mask, ++ &cur_flags); ++ ++ if (!type_ok) ++ continue; ++ ++ if (mem_type == DRM_BO_MEM_LOCAL) ++ break; ++ ++ if ((mem_type == bo->pinned_mem_type) && ++ (bo->pinned_node != NULL)) { ++ node = bo->pinned_node; ++ break; ++ } ++ ++ mutex_lock(&dev->struct_mutex); ++ if (man->has_type && man->use_type) { ++ type_found = 1; ++ node = drm_mm_search_free(&man->manager, mem->num_pages, ++ mem->page_alignment, 1); ++ if (node) ++ node = drm_mm_get_block(node, mem->num_pages, ++ mem->page_alignment); ++ } ++ mutex_unlock(&dev->struct_mutex); ++ if (node) ++ break; ++ } ++ ++ if ((type_ok && (mem_type == DRM_BO_MEM_LOCAL)) || node) { ++ mem->mm_node = node; ++ mem->mem_type = mem_type; ++ mem->flags = cur_flags; ++ return 0; ++ } ++ ++ if (!type_found) ++ return -EINVAL; ++ ++ num_prios = dev->driver->bo_driver->num_mem_busy_prio; ++ prios = dev->driver->bo_driver->mem_busy_prio; ++ ++ for (i = 0; i < num_prios; ++i) { ++ mem_type = prios[i]; ++ man = &bm->man[mem_type]; ++ ++ if (!man->has_type) ++ continue; ++ ++ if (!drm_bo_mt_compatible(man, ++ bo->type == drm_bo_type_user, ++ mem_type, ++ mem->mask, ++ &cur_flags)) ++ continue; ++ ++ ret = drm_bo_mem_force_space(dev, mem, mem_type, no_wait); ++ ++ if (ret == 0 && mem->mm_node) { ++ mem->flags = cur_flags; ++ return 0; ++ } ++ ++ if (ret == -EAGAIN) ++ has_eagain = 1; ++ } ++ ++ ret = (has_eagain) ? -EAGAIN : -ENOMEM; ++ return ret; ++} ++EXPORT_SYMBOL(drm_bo_mem_space); ++ ++static int drm_bo_new_mask(struct drm_buffer_object *bo, ++ uint64_t new_flags, uint64_t used_mask) ++{ ++ uint32_t new_props; ++ ++ if (bo->type == drm_bo_type_user && ++ ((new_flags & (DRM_BO_FLAG_CACHED | DRM_BO_FLAG_FORCE_CACHING)) != ++ (DRM_BO_FLAG_CACHED | DRM_BO_FLAG_FORCE_CACHING))) { ++ DRM_ERROR("User buffers require cache-coherent memory.\n"); ++ return -EINVAL; ++ } ++ ++ if ((used_mask & DRM_BO_FLAG_NO_EVICT) && !DRM_SUSER(DRM_CURPROC)) { ++ DRM_ERROR("DRM_BO_FLAG_NO_EVICT is only available to priviliged processes.\n"); ++ return -EPERM; ++ } ++ ++ if (likely(used_mask & DRM_BO_MASK_MEM) && ++ (bo->mem.flags & DRM_BO_FLAG_NO_EVICT) && ++ !DRM_SUSER(DRM_CURPROC)) { ++ if (likely(bo->mem.flags & new_flags & used_mask & ++ DRM_BO_MASK_MEM)) ++ new_flags = (new_flags & ~DRM_BO_MASK_MEM) | ++ (bo->mem.flags & DRM_BO_MASK_MEM); ++ else { ++ DRM_ERROR("Incompatible memory type specification " ++ "for NO_EVICT buffer.\n"); ++ return -EPERM; ++ } ++ } ++ ++ if ((new_flags & DRM_BO_FLAG_NO_MOVE)) { ++ DRM_ERROR("DRM_BO_FLAG_NO_MOVE is not properly implemented yet.\n"); ++ return -EPERM; ++ } ++ ++ new_props = new_flags & (DRM_BO_FLAG_EXE | DRM_BO_FLAG_WRITE | ++ DRM_BO_FLAG_READ); ++ ++ if (!new_props) { ++ DRM_ERROR("Invalid buffer object rwx properties\n"); ++ return -EINVAL; ++ } ++ ++ bo->mem.mask = new_flags; ++ return 0; ++} ++ ++/* ++ * Call dev->struct_mutex locked. ++ */ ++ ++struct drm_buffer_object *drm_lookup_buffer_object(struct drm_file *file_priv, ++ uint32_t handle, int check_owner) ++{ ++ struct drm_user_object *uo; ++ struct drm_buffer_object *bo; ++ ++ uo = drm_lookup_user_object(file_priv, handle); ++ ++ if (!uo || (uo->type != drm_buffer_type)) { ++ DRM_ERROR("Could not find buffer object 0x%08x\n", handle); ++ return NULL; ++ } ++ ++ if (check_owner && file_priv != uo->owner) { ++ if (!drm_lookup_ref_object(file_priv, uo, _DRM_REF_USE)) ++ return NULL; ++ } ++ ++ bo = drm_user_object_entry(uo, struct drm_buffer_object, base); ++ atomic_inc(&bo->usage); ++ return bo; ++} ++EXPORT_SYMBOL(drm_lookup_buffer_object); ++ ++/* ++ * Call bo->mutex locked. ++ * Returns 1 if the buffer is currently rendered to or from. 0 otherwise. ++ * Doesn't do any fence flushing as opposed to the drm_bo_busy function. ++ */ ++ ++static int drm_bo_quick_busy(struct drm_buffer_object *bo) ++{ ++ struct drm_fence_object *fence = bo->fence; ++ ++ BUG_ON(bo->priv_flags & _DRM_BO_FLAG_UNFENCED); ++ if (fence) { ++ if (drm_fence_object_signaled(fence, bo->fence_type)) { ++ drm_fence_usage_deref_unlocked(&bo->fence); ++ return 0; ++ } ++ return 1; ++ } ++ return 0; ++} ++ ++/* ++ * Call bo->mutex locked. ++ * Returns 1 if the buffer is currently rendered to or from. 0 otherwise. ++ */ ++ ++static int drm_bo_busy(struct drm_buffer_object *bo) ++{ ++ struct drm_fence_object *fence = bo->fence; ++ ++ BUG_ON(bo->priv_flags & _DRM_BO_FLAG_UNFENCED); ++ if (fence) { ++ if (drm_fence_object_signaled(fence, bo->fence_type)) { ++ drm_fence_usage_deref_unlocked(&bo->fence); ++ return 0; ++ } ++ drm_fence_object_flush(fence, DRM_FENCE_TYPE_EXE); ++ if (drm_fence_object_signaled(fence, bo->fence_type)) { ++ drm_fence_usage_deref_unlocked(&bo->fence); ++ return 0; ++ } ++ return 1; ++ } ++ return 0; ++} ++ ++static int drm_bo_evict_cached(struct drm_buffer_object *bo) ++{ ++ int ret = 0; ++ ++ BUG_ON(bo->priv_flags & _DRM_BO_FLAG_UNFENCED); ++ if (bo->mem.mm_node) ++ ret = drm_bo_evict(bo, DRM_BO_MEM_TT, 1); ++ return ret; ++} ++ ++/* ++ * Wait until a buffer is unmapped. ++ */ ++ ++static int drm_bo_wait_unmapped(struct drm_buffer_object *bo, int no_wait) ++{ ++ int ret = 0; ++ ++ if ((atomic_read(&bo->mapped) >= 0) && no_wait) ++ return -EBUSY; ++ ++ DRM_WAIT_ON(ret, bo->event_queue, 3 * DRM_HZ, ++ atomic_read(&bo->mapped) == -1); ++ ++ if (ret == -EINTR) ++ ret = -EAGAIN; ++ ++ return ret; ++} ++ ++static int drm_bo_check_unfenced(struct drm_buffer_object *bo) ++{ ++ int ret; ++ ++ mutex_lock(&bo->mutex); ++ ret = (bo->priv_flags & _DRM_BO_FLAG_UNFENCED); ++ mutex_unlock(&bo->mutex); ++ return ret; ++} ++ ++/* ++ * Wait until a buffer, scheduled to be fenced moves off the unfenced list. ++ * Until then, we cannot really do anything with it except delete it. ++ */ ++ ++static int drm_bo_wait_unfenced(struct drm_buffer_object *bo, int no_wait, ++ int eagain_if_wait) ++{ ++ int ret = (bo->priv_flags & _DRM_BO_FLAG_UNFENCED); ++ ++ if (ret && no_wait) ++ return -EBUSY; ++ else if (!ret) ++ return 0; ++ ++ ret = 0; ++ mutex_unlock(&bo->mutex); ++ DRM_WAIT_ON(ret, bo->event_queue, 3 * DRM_HZ, ++ !drm_bo_check_unfenced(bo)); ++ mutex_lock(&bo->mutex); ++ if (ret == -EINTR) ++ return -EAGAIN; ++ ret = (bo->priv_flags & _DRM_BO_FLAG_UNFENCED); ++ if (ret) { ++ DRM_ERROR("Timeout waiting for buffer to become fenced\n"); ++ return -EBUSY; ++ } ++ if (eagain_if_wait) ++ return -EAGAIN; ++ ++ return 0; ++} ++ ++/* ++ * Fill in the ioctl reply argument with buffer info. ++ * Bo locked. ++ */ ++ ++void drm_bo_fill_rep_arg(struct drm_buffer_object *bo, ++ struct drm_bo_info_rep *rep) ++{ ++ if (!rep) ++ return; ++ ++ rep->handle = bo->base.hash.key; ++ rep->flags = bo->mem.flags; ++ rep->size = bo->num_pages * PAGE_SIZE; ++ rep->offset = bo->offset; ++ ++ if (bo->type == drm_bo_type_dc) ++ rep->arg_handle = bo->map_list.user_token; ++ else ++ rep->arg_handle = 0; ++ ++ rep->mask = bo->mem.mask; ++ rep->buffer_start = bo->buffer_start; ++ rep->fence_flags = bo->fence_type; ++ rep->rep_flags = 0; ++ rep->page_alignment = bo->mem.page_alignment; ++ ++ if ((bo->priv_flags & _DRM_BO_FLAG_UNFENCED) || drm_bo_quick_busy(bo)) { ++ DRM_FLAG_MASKED(rep->rep_flags, DRM_BO_REP_BUSY, ++ DRM_BO_REP_BUSY); ++ } ++} ++EXPORT_SYMBOL(drm_bo_fill_rep_arg); ++ ++/* ++ * Wait for buffer idle and register that we've mapped the buffer. ++ * Mapping is registered as a drm_ref_object with type _DRM_REF_TYPE1, ++ * so that if the client dies, the mapping is automatically ++ * unregistered. ++ */ ++ ++static int drm_buffer_object_map(struct drm_file *file_priv, uint32_t handle, ++ uint32_t map_flags, unsigned hint, ++ struct drm_bo_info_rep *rep) ++{ ++ struct drm_buffer_object *bo; ++ struct drm_device *dev = file_priv->minor->dev; ++ int ret = 0; ++ int no_wait = hint & DRM_BO_HINT_DONT_BLOCK; ++ ++ mutex_lock(&dev->struct_mutex); ++ bo = drm_lookup_buffer_object(file_priv, handle, 1); ++ mutex_unlock(&dev->struct_mutex); ++ ++ if (!bo) ++ return -EINVAL; ++ ++ mutex_lock(&bo->mutex); ++ ret = drm_bo_wait_unfenced(bo, no_wait, 0); ++ if (ret) ++ goto out; ++ ++ /* ++ * If this returns true, we are currently unmapped. ++ * We need to do this test, because unmapping can ++ * be done without the bo->mutex held. ++ */ ++ ++ while (1) { ++ if (atomic_inc_and_test(&bo->mapped)) { ++ if (no_wait && drm_bo_busy(bo)) { ++ atomic_dec(&bo->mapped); ++ ret = -EBUSY; ++ goto out; ++ } ++ ret = drm_bo_wait(bo, 0, 0, no_wait); ++ if (ret) { ++ atomic_dec(&bo->mapped); ++ goto out; ++ } ++ ++ if (bo->mem.flags & DRM_BO_FLAG_CACHED_MAPPED) ++ drm_bo_evict_cached(bo); ++ ++ break; ++ } else if (bo->mem.flags & DRM_BO_FLAG_CACHED_MAPPED) { ++ ++ /* ++ * We are already mapped with different flags. ++ * need to wait for unmap. ++ */ ++ ++ ret = drm_bo_wait_unmapped(bo, no_wait); ++ if (ret) ++ goto out; ++ ++ continue; ++ } ++ break; ++ } ++ ++ mutex_lock(&dev->struct_mutex); ++ ret = drm_add_ref_object(file_priv, &bo->base, _DRM_REF_TYPE1); ++ mutex_unlock(&dev->struct_mutex); ++ if (ret) { ++ if (atomic_add_negative(-1, &bo->mapped)) ++ wake_up_all(&bo->event_queue); ++ ++ } else ++ drm_bo_fill_rep_arg(bo, rep); ++out: ++ mutex_unlock(&bo->mutex); ++ drm_bo_usage_deref_unlocked(&bo); ++ return ret; ++} ++ ++static int drm_buffer_object_unmap(struct drm_file *file_priv, uint32_t handle) ++{ ++ struct drm_device *dev = file_priv->minor->dev; ++ struct drm_buffer_object *bo; ++ struct drm_ref_object *ro; ++ int ret = 0; ++ ++ mutex_lock(&dev->struct_mutex); ++ ++ bo = drm_lookup_buffer_object(file_priv, handle, 1); ++ if (!bo) { ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ ro = drm_lookup_ref_object(file_priv, &bo->base, _DRM_REF_TYPE1); ++ if (!ro) { ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ drm_remove_ref_object(file_priv, ro); ++ drm_bo_usage_deref_locked(&bo); ++out: ++ mutex_unlock(&dev->struct_mutex); ++ return ret; ++} ++ ++/* ++ * Call struct-sem locked. ++ */ ++ ++static void drm_buffer_user_object_unmap(struct drm_file *file_priv, ++ struct drm_user_object *uo, ++ enum drm_ref_type action) ++{ ++ struct drm_buffer_object *bo = ++ drm_user_object_entry(uo, struct drm_buffer_object, base); ++ ++ /* ++ * We DON'T want to take the bo->lock here, because we want to ++ * hold it when we wait for unmapped buffer. ++ */ ++ ++ BUG_ON(action != _DRM_REF_TYPE1); ++ ++ if (atomic_add_negative(-1, &bo->mapped)) ++ wake_up_all(&bo->event_queue); ++} ++ ++/* ++ * bo->mutex locked. ++ * Note that new_mem_flags are NOT transferred to the bo->mem.mask. ++ */ ++ ++int drm_bo_move_buffer(struct drm_buffer_object *bo, uint64_t new_mem_flags, ++ int no_wait, int move_unfenced) ++{ ++ struct drm_device *dev = bo->dev; ++ struct drm_buffer_manager *bm = &dev->bm; ++ int ret = 0; ++ struct drm_bo_mem_reg mem; ++ /* ++ * Flush outstanding fences. ++ */ ++ ++ drm_bo_busy(bo); ++ ++ /* ++ * Wait for outstanding fences. ++ */ ++ ++ ret = drm_bo_wait(bo, 0, 0, no_wait); ++ if (ret) ++ return ret; ++ ++ mem.num_pages = bo->num_pages; ++ mem.size = mem.num_pages << PAGE_SHIFT; ++ mem.mask = new_mem_flags; ++ mem.page_alignment = bo->mem.page_alignment; ++ ++ mutex_lock(&bm->evict_mutex); ++ mutex_lock(&dev->struct_mutex); ++ list_del_init(&bo->lru); ++ mutex_unlock(&dev->struct_mutex); ++ ++ /* ++ * Determine where to move the buffer. ++ */ ++ ret = drm_bo_mem_space(bo, &mem, no_wait); ++ if (ret) ++ goto out_unlock; ++ ++ ret = drm_bo_handle_move_mem(bo, &mem, 0, no_wait); ++ ++out_unlock: ++ mutex_lock(&dev->struct_mutex); ++ if (ret || !move_unfenced) { ++ if (mem.mm_node) { ++ if (mem.mm_node != bo->pinned_node) ++ drm_mm_put_block(mem.mm_node); ++ mem.mm_node = NULL; ++ } ++ drm_bo_add_to_lru(bo); ++ if (bo->priv_flags & _DRM_BO_FLAG_UNFENCED) { ++ wake_up_all(&bo->event_queue); ++ DRM_FLAG_MASKED(bo->priv_flags, 0, ++ _DRM_BO_FLAG_UNFENCED); ++ } ++ } else { ++ list_add_tail(&bo->lru, &bm->unfenced); ++ DRM_FLAG_MASKED(bo->priv_flags, _DRM_BO_FLAG_UNFENCED, ++ _DRM_BO_FLAG_UNFENCED); ++ } ++ mutex_unlock(&dev->struct_mutex); ++ mutex_unlock(&bm->evict_mutex); ++ return ret; ++} ++ ++static int drm_bo_mem_compat(struct drm_bo_mem_reg *mem) ++{ ++ uint32_t flag_diff = (mem->mask ^ mem->flags); ++ ++ if ((mem->mask & mem->flags & DRM_BO_MASK_MEM) == 0) ++ return 0; ++ if ((flag_diff & DRM_BO_FLAG_CACHED) && ++ (/* !(mem->mask & DRM_BO_FLAG_CACHED) ||*/ ++ (mem->mask & DRM_BO_FLAG_FORCE_CACHING))) ++ return 0; ++ ++ if ((flag_diff & DRM_BO_FLAG_MAPPABLE) && ++ ((mem->mask & DRM_BO_FLAG_MAPPABLE) || ++ (mem->mask & DRM_BO_FLAG_FORCE_MAPPABLE))) ++ return 0; ++ return 1; ++} ++ ++/* ++ * bo locked. ++ */ ++ ++static int drm_buffer_object_validate(struct drm_buffer_object *bo, ++ uint32_t fence_class, ++ int move_unfenced, int no_wait) ++{ ++ struct drm_device *dev = bo->dev; ++ struct drm_buffer_manager *bm = &dev->bm; ++ struct drm_bo_driver *driver = dev->driver->bo_driver; ++ uint32_t ftype; ++ int ret; ++ ++ DRM_DEBUG("New flags 0x%016llx, Old flags 0x%016llx\n", ++ (unsigned long long) bo->mem.mask, ++ (unsigned long long) bo->mem.flags); ++ ++ ret = driver->fence_type(bo, &fence_class, &ftype); ++ ++ if (ret) { ++ DRM_ERROR("Driver did not support given buffer permissions\n"); ++ return ret; ++ } ++ ++ /* ++ * We're switching command submission mechanism, ++ * or cannot simply rely on the hardware serializing for us. ++ * ++ * Insert a driver-dependant barrier or wait for buffer idle. ++ */ ++ ++ if ((fence_class != bo->fence_class) || ++ ((ftype ^ bo->fence_type) & bo->fence_type)) { ++ ++ ret = -EINVAL; ++ if (driver->command_stream_barrier) { ++ ret = driver->command_stream_barrier(bo, ++ fence_class, ++ ftype, ++ no_wait); ++ } ++ if (ret) ++ ret = drm_bo_wait(bo, 0, 0, no_wait); ++ ++ if (ret) ++ return ret; ++ ++ } ++ ++ bo->new_fence_class = fence_class; ++ bo->new_fence_type = ftype; ++ ++ ret = drm_bo_wait_unmapped(bo, no_wait); ++ if (ret) { ++ DRM_ERROR("Timed out waiting for buffer unmap.\n"); ++ return ret; ++ } ++ ++ /* ++ * Check whether we need to move buffer. ++ */ ++ ++ if (!drm_bo_mem_compat(&bo->mem)) { ++ ret = drm_bo_move_buffer(bo, bo->mem.mask, no_wait, ++ move_unfenced); ++ if (ret) { ++ if (ret != -EAGAIN) ++ DRM_ERROR("Failed moving buffer.\n"); ++ if (ret == -ENOMEM) ++ DRM_ERROR("Out of aperture space.\n"); ++ return ret; ++ } ++ } ++ ++ /* ++ * Pinned buffers. ++ */ ++ ++ if (bo->mem.mask & (DRM_BO_FLAG_NO_EVICT | DRM_BO_FLAG_NO_MOVE)) { ++ bo->pinned_mem_type = bo->mem.mem_type; ++ mutex_lock(&dev->struct_mutex); ++ list_del_init(&bo->pinned_lru); ++ drm_bo_add_to_pinned_lru(bo); ++ ++ if (bo->pinned_node != bo->mem.mm_node) { ++ if (bo->pinned_node != NULL) ++ drm_mm_put_block(bo->pinned_node); ++ bo->pinned_node = bo->mem.mm_node; ++ } ++ ++ mutex_unlock(&dev->struct_mutex); ++ ++ } else if (bo->pinned_node != NULL) { ++ ++ mutex_lock(&dev->struct_mutex); ++ ++ if (bo->pinned_node != bo->mem.mm_node) ++ drm_mm_put_block(bo->pinned_node); ++ ++ list_del_init(&bo->pinned_lru); ++ bo->pinned_node = NULL; ++ mutex_unlock(&dev->struct_mutex); ++ ++ } ++ ++ /* ++ * We might need to add a TTM. ++ */ ++ ++ if (bo->mem.mem_type == DRM_BO_MEM_LOCAL && bo->ttm == NULL) { ++ ret = drm_bo_add_ttm(bo); ++ if (ret) ++ return ret; ++ } ++ DRM_FLAG_MASKED(bo->mem.flags, bo->mem.mask, ~DRM_BO_MASK_MEMTYPE); ++ ++ /* ++ * Finally, adjust lru to be sure. ++ */ ++ ++ mutex_lock(&dev->struct_mutex); ++ list_del(&bo->lru); ++ if (move_unfenced) { ++ list_add_tail(&bo->lru, &bm->unfenced); ++ DRM_FLAG_MASKED(bo->priv_flags, _DRM_BO_FLAG_UNFENCED, ++ _DRM_BO_FLAG_UNFENCED); ++ } else { ++ drm_bo_add_to_lru(bo); ++ if (bo->priv_flags & _DRM_BO_FLAG_UNFENCED) { ++ wake_up_all(&bo->event_queue); ++ DRM_FLAG_MASKED(bo->priv_flags, 0, ++ _DRM_BO_FLAG_UNFENCED); ++ } ++ } ++ mutex_unlock(&dev->struct_mutex); ++ ++ return 0; ++} ++ ++int drm_bo_do_validate(struct drm_buffer_object *bo, ++ uint64_t flags, uint64_t mask, uint32_t hint, ++ uint32_t fence_class, ++ int no_wait, ++ struct drm_bo_info_rep *rep) ++{ ++ int ret; ++ ++ mutex_lock(&bo->mutex); ++ ret = drm_bo_wait_unfenced(bo, no_wait, 0); ++ ++ if (ret) ++ goto out; ++ ++ DRM_FLAG_MASKED(flags, bo->mem.mask, ~mask); ++ ret = drm_bo_new_mask(bo, flags, mask); ++ if (ret) ++ goto out; ++ ++ ret = drm_buffer_object_validate(bo, ++ fence_class, ++ !(hint & DRM_BO_HINT_DONT_FENCE), ++ no_wait); ++out: ++ if (rep) ++ drm_bo_fill_rep_arg(bo, rep); ++ ++ mutex_unlock(&bo->mutex); ++ return ret; ++} ++EXPORT_SYMBOL(drm_bo_do_validate); ++ ++ ++int drm_bo_handle_validate(struct drm_file *file_priv, uint32_t handle, ++ uint32_t fence_class, ++ uint64_t flags, uint64_t mask, ++ uint32_t hint, ++ int use_old_fence_class, ++ struct drm_bo_info_rep *rep, ++ struct drm_buffer_object **bo_rep) ++{ ++ struct drm_device *dev = file_priv->minor->dev; ++ struct drm_buffer_object *bo; ++ int ret; ++ int no_wait = hint & DRM_BO_HINT_DONT_BLOCK; ++ ++ mutex_lock(&dev->struct_mutex); ++ bo = drm_lookup_buffer_object(file_priv, handle, 1); ++ mutex_unlock(&dev->struct_mutex); ++ ++ if (!bo) ++ return -EINVAL; ++ ++ if (use_old_fence_class) ++ fence_class = bo->fence_class; ++ ++ /* ++ * Only allow creator to change shared buffer mask. ++ */ ++ ++ if (bo->base.owner != file_priv) ++ mask &= ~(DRM_BO_FLAG_NO_EVICT | DRM_BO_FLAG_NO_MOVE); ++ ++ ++ ret = drm_bo_do_validate(bo, flags, mask, hint, fence_class, ++ no_wait, rep); ++ ++ if (!ret && bo_rep) ++ *bo_rep = bo; ++ else ++ drm_bo_usage_deref_unlocked(&bo); ++ ++ return ret; ++} ++EXPORT_SYMBOL(drm_bo_handle_validate); ++ ++static int drm_bo_handle_info(struct drm_file *file_priv, uint32_t handle, ++ struct drm_bo_info_rep *rep) ++{ ++ struct drm_device *dev = file_priv->minor->dev; ++ struct drm_buffer_object *bo; ++ ++ mutex_lock(&dev->struct_mutex); ++ bo = drm_lookup_buffer_object(file_priv, handle, 1); ++ mutex_unlock(&dev->struct_mutex); ++ ++ if (!bo) ++ return -EINVAL; ++ ++ mutex_lock(&bo->mutex); ++ if (!(bo->priv_flags & _DRM_BO_FLAG_UNFENCED)) ++ (void)drm_bo_busy(bo); ++ drm_bo_fill_rep_arg(bo, rep); ++ mutex_unlock(&bo->mutex); ++ drm_bo_usage_deref_unlocked(&bo); ++ return 0; ++} ++ ++static int drm_bo_handle_wait(struct drm_file *file_priv, uint32_t handle, ++ uint32_t hint, ++ struct drm_bo_info_rep *rep) ++{ ++ struct drm_device *dev = file_priv->minor->dev; ++ struct drm_buffer_object *bo; ++ int no_wait = hint & DRM_BO_HINT_DONT_BLOCK; ++ int ret; ++ ++ mutex_lock(&dev->struct_mutex); ++ bo = drm_lookup_buffer_object(file_priv, handle, 1); ++ mutex_unlock(&dev->struct_mutex); ++ ++ if (!bo) ++ return -EINVAL; ++ ++ mutex_lock(&bo->mutex); ++ ret = drm_bo_wait_unfenced(bo, no_wait, 0); ++ if (ret) ++ goto out; ++ ret = drm_bo_wait(bo, hint & DRM_BO_HINT_WAIT_LAZY, 0, no_wait); ++ if (ret) ++ goto out; ++ ++ drm_bo_fill_rep_arg(bo, rep); ++ ++out: ++ mutex_unlock(&bo->mutex); ++ drm_bo_usage_deref_unlocked(&bo); ++ return ret; ++} ++ ++static inline size_t drm_size_align(size_t size) ++{ ++ size_t tmpSize = 4; ++ if (size > PAGE_SIZE) ++ return PAGE_ALIGN(size); ++ while (tmpSize < size) ++ tmpSize <<= 1; ++ ++ return (size_t) tmpSize; ++} ++ ++static int drm_bo_reserve_size(struct drm_device *dev, ++ int user_bo, ++ unsigned long num_pages, ++ unsigned long *size) ++{ ++ struct drm_bo_driver *driver = dev->driver->bo_driver; ++ ++ *size = drm_size_align(sizeof(struct drm_buffer_object)) + ++ /* Always account for a TTM, even for fixed memory types */ ++ drm_ttm_size(dev, num_pages, user_bo) + ++ /* user space mapping structure */ ++ drm_size_align(sizeof(drm_local_map_t)) + ++ /* file offset space, aperture space, pinned space */ ++ 3*drm_size_align(sizeof(struct drm_mm_node *)) + ++ /* ttm backend */ ++ driver->backend_size(dev, num_pages); ++ ++ // FIXME - ENOMEM? ++ return 0; ++} ++ ++int drm_buffer_object_create(struct drm_device *dev, ++ unsigned long size, ++ enum drm_bo_type type, ++ uint64_t mask, ++ uint32_t hint, ++ uint32_t page_alignment, ++ unsigned long buffer_start, ++ struct drm_buffer_object **buf_obj) ++{ ++ struct drm_buffer_manager *bm = &dev->bm; ++ struct drm_buffer_object *bo; ++ int ret = 0; ++ unsigned long num_pages; ++ unsigned long reserved_size; ++ ++ size += buffer_start & ~PAGE_MASK; ++ num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; ++ if (num_pages == 0) { ++ DRM_ERROR("Illegal buffer object size.\n"); ++ return -EINVAL; ++ } ++ ++ ret = drm_bo_reserve_size(dev, type == drm_bo_type_user, ++ num_pages, &reserved_size); ++ ++ if (ret) { ++ DRM_DEBUG("Failed reserving space for buffer object.\n"); ++ return ret; ++ } ++ ++ bo = drm_calloc(1, sizeof(*bo), DRM_MEM_BUFOBJ); ++ ++ if (!bo) { ++ drm_bo_unreserve_size(num_pages); ++ return -ENOMEM; ++ } ++ ++ mutex_init(&bo->mutex); ++ mutex_lock(&bo->mutex); ++ ++ bo->reserved_size = reserved_size; ++ atomic_set(&bo->usage, 1); ++ atomic_set(&bo->mapped, -1); ++ DRM_INIT_WAITQUEUE(&bo->event_queue); ++ INIT_LIST_HEAD(&bo->lru); ++ INIT_LIST_HEAD(&bo->pinned_lru); ++ INIT_LIST_HEAD(&bo->ddestroy); ++#ifdef DRM_ODD_MM_COMPAT ++ INIT_LIST_HEAD(&bo->p_mm_list); ++ INIT_LIST_HEAD(&bo->vma_list); ++#endif ++ bo->dev = dev; ++ bo->type = type; ++ bo->num_pages = num_pages; ++ bo->mem.mem_type = DRM_BO_MEM_LOCAL; ++ bo->mem.num_pages = bo->num_pages; ++ bo->mem.mm_node = NULL; ++ bo->mem.page_alignment = page_alignment; ++ bo->buffer_start = buffer_start & PAGE_MASK; ++ bo->priv_flags = 0; ++ bo->mem.flags = DRM_BO_FLAG_MEM_LOCAL | DRM_BO_FLAG_CACHED | ++ DRM_BO_FLAG_MAPPABLE; ++ bo->mem.mask = DRM_BO_FLAG_MEM_LOCAL | DRM_BO_FLAG_CACHED | ++ DRM_BO_FLAG_MAPPABLE; ++ atomic_inc(&bm->count); ++ ret = drm_bo_new_mask(bo, mask, mask); ++ if (ret) ++ goto out_err; ++ ++ if (bo->type == drm_bo_type_dc) { ++ mutex_lock(&dev->struct_mutex); ++ ret = drm_bo_setup_vm_locked(bo); ++ mutex_unlock(&dev->struct_mutex); ++ if (ret) ++ goto out_err; ++ } ++ ++ ret = drm_buffer_object_validate(bo, 0, 0, hint & DRM_BO_HINT_DONT_BLOCK); ++ if (ret) ++ goto out_err; ++ ++ mutex_unlock(&bo->mutex); ++ *buf_obj = bo; ++ return 0; ++ ++out_err: ++ mutex_unlock(&bo->mutex); ++ ++ drm_bo_usage_deref_unlocked(&bo); ++ return ret; ++} ++EXPORT_SYMBOL(drm_buffer_object_create); ++ ++ ++static int drm_bo_add_user_object(struct drm_file *file_priv, ++ struct drm_buffer_object *bo, int shareable) ++{ ++ struct drm_device *dev = file_priv->minor->dev; ++ int ret; ++ ++ mutex_lock(&dev->struct_mutex); ++ ret = drm_add_user_object(file_priv, &bo->base, shareable); ++ if (ret) ++ goto out; ++ ++ bo->base.remove = drm_bo_base_deref_locked; ++ bo->base.type = drm_buffer_type; ++ bo->base.ref_struct_locked = NULL; ++ bo->base.unref = drm_buffer_user_object_unmap; ++ ++out: ++ mutex_unlock(&dev->struct_mutex); ++ return ret; ++} ++ ++int drm_bo_create_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) ++{ ++ struct drm_bo_create_arg *arg = data; ++ struct drm_bo_create_req *req = &arg->d.req; ++ struct drm_bo_info_rep *rep = &arg->d.rep; ++ struct drm_buffer_object *entry; ++ enum drm_bo_type bo_type; ++ int ret = 0; ++ ++ DRM_DEBUG("drm_bo_create_ioctl: %dkb, %dkb align\n", ++ (int)(req->size / 1024), req->page_alignment * 4); ++ ++ if (!dev->bm.initialized) { ++ DRM_ERROR("Buffer object manager is not initialized.\n"); ++ return -EINVAL; ++ } ++ ++ bo_type = (req->buffer_start) ? drm_bo_type_user : drm_bo_type_dc; ++ ++ if (bo_type == drm_bo_type_user) ++ req->mask &= ~DRM_BO_FLAG_SHAREABLE; ++ ++ ret = drm_buffer_object_create(file_priv->minor->dev, ++ req->size, bo_type, req->mask, ++ req->hint, req->page_alignment, ++ req->buffer_start, &entry); ++ if (ret) ++ goto out; ++ ++ ret = drm_bo_add_user_object(file_priv, entry, ++ req->mask & DRM_BO_FLAG_SHAREABLE); ++ if (ret) { ++ drm_bo_usage_deref_unlocked(&entry); ++ goto out; ++ } ++ ++ mutex_lock(&entry->mutex); ++ drm_bo_fill_rep_arg(entry, rep); ++ mutex_unlock(&entry->mutex); ++ ++out: ++ return ret; ++} ++ ++int drm_bo_setstatus_ioctl(struct drm_device *dev, ++ void *data, struct drm_file *file_priv) ++{ ++ struct drm_bo_map_wait_idle_arg *arg = data; ++ struct drm_bo_info_req *req = &arg->d.req; ++ struct drm_bo_info_rep *rep = &arg->d.rep; ++ int ret; ++ ++ if (!dev->bm.initialized) { ++ DRM_ERROR("Buffer object manager is not initialized.\n"); ++ return -EINVAL; ++ } ++ ++ ret = drm_bo_read_lock(&dev->bm.bm_lock); ++ if (ret) ++ return ret; ++ ++ ret = drm_bo_handle_validate(file_priv, req->handle, req->fence_class, ++ req->flags, ++ req->mask, ++ req->hint | DRM_BO_HINT_DONT_FENCE, ++ 1, ++ rep, NULL); ++ ++ (void) drm_bo_read_unlock(&dev->bm.bm_lock); ++ if (ret) ++ return ret; ++ ++ return 0; ++} ++ ++int drm_bo_map_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) ++{ ++ struct drm_bo_map_wait_idle_arg *arg = data; ++ struct drm_bo_info_req *req = &arg->d.req; ++ struct drm_bo_info_rep *rep = &arg->d.rep; ++ int ret; ++ if (!dev->bm.initialized) { ++ DRM_ERROR("Buffer object manager is not initialized.\n"); ++ return -EINVAL; ++ } ++ ++ ret = drm_buffer_object_map(file_priv, req->handle, req->mask, ++ req->hint, rep); ++ if (ret) ++ return ret; ++ ++ return 0; ++} ++ ++int drm_bo_unmap_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) ++{ ++ struct drm_bo_handle_arg *arg = data; ++ int ret; ++ if (!dev->bm.initialized) { ++ DRM_ERROR("Buffer object manager is not initialized.\n"); ++ return -EINVAL; ++ } ++ ++ ret = drm_buffer_object_unmap(file_priv, arg->handle); ++ return ret; ++} ++ ++ ++int drm_bo_reference_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) ++{ ++ struct drm_bo_reference_info_arg *arg = data; ++ struct drm_bo_handle_arg *req = &arg->d.req; ++ struct drm_bo_info_rep *rep = &arg->d.rep; ++ struct drm_user_object *uo; ++ int ret; ++ ++ if (!dev->bm.initialized) { ++ DRM_ERROR("Buffer object manager is not initialized.\n"); ++ return -EINVAL; ++ } ++ ++ ret = drm_user_object_ref(file_priv, req->handle, ++ drm_buffer_type, &uo); ++ if (ret) ++ return ret; ++ ++ ret = drm_bo_handle_info(file_priv, req->handle, rep); ++ if (ret) ++ return ret; ++ ++ return 0; ++} ++ ++int drm_bo_unreference_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) ++{ ++ struct drm_bo_handle_arg *arg = data; ++ int ret = 0; ++ ++ if (!dev->bm.initialized) { ++ DRM_ERROR("Buffer object manager is not initialized.\n"); ++ return -EINVAL; ++ } ++ ++ ret = drm_user_object_unref(file_priv, arg->handle, drm_buffer_type); ++ return ret; ++} ++ ++int drm_bo_info_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) ++{ ++ struct drm_bo_reference_info_arg *arg = data; ++ struct drm_bo_handle_arg *req = &arg->d.req; ++ struct drm_bo_info_rep *rep = &arg->d.rep; ++ int ret; ++ ++ if (!dev->bm.initialized) { ++ DRM_ERROR("Buffer object manager is not initialized.\n"); ++ return -EINVAL; ++ } ++ ++ ret = drm_bo_handle_info(file_priv, req->handle, rep); ++ if (ret) ++ return ret; ++ ++ return 0; ++} ++ ++int drm_bo_wait_idle_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) ++{ ++ struct drm_bo_map_wait_idle_arg *arg = data; ++ struct drm_bo_info_req *req = &arg->d.req; ++ struct drm_bo_info_rep *rep = &arg->d.rep; ++ int ret; ++ if (!dev->bm.initialized) { ++ DRM_ERROR("Buffer object manager is not initialized.\n"); ++ return -EINVAL; ++ } ++ ++ ret = drm_bo_handle_wait(file_priv, req->handle, ++ req->hint, rep); ++ if (ret) ++ return ret; ++ ++ return 0; ++} ++ ++static int drm_bo_leave_list(struct drm_buffer_object *bo, ++ uint32_t mem_type, ++ int free_pinned, ++ int allow_errors) ++{ ++ struct drm_device *dev = bo->dev; ++ int ret = 0; ++ ++ mutex_lock(&bo->mutex); ++ ++ ret = drm_bo_expire_fence(bo, allow_errors); ++ if (ret) ++ goto out; ++ ++ if (free_pinned) { ++ DRM_FLAG_MASKED(bo->mem.flags, 0, DRM_BO_FLAG_NO_MOVE); ++ mutex_lock(&dev->struct_mutex); ++ list_del_init(&bo->pinned_lru); ++ if (bo->pinned_node == bo->mem.mm_node) ++ bo->pinned_node = NULL; ++ if (bo->pinned_node != NULL) { ++ drm_mm_put_block(bo->pinned_node); ++ bo->pinned_node = NULL; ++ } ++ mutex_unlock(&dev->struct_mutex); ++ } ++ ++ if (bo->mem.flags & DRM_BO_FLAG_NO_EVICT) { ++ DRM_ERROR("A DRM_BO_NO_EVICT buffer present at " ++ "cleanup. Removing flag and evicting.\n"); ++ bo->mem.flags &= ~DRM_BO_FLAG_NO_EVICT; ++ bo->mem.mask &= ~DRM_BO_FLAG_NO_EVICT; ++ } ++ ++ if (bo->mem.mem_type == mem_type) ++ ret = drm_bo_evict(bo, mem_type, 0); ++ ++ if (ret) { ++ if (allow_errors) { ++ goto out; ++ } else { ++ ret = 0; ++ DRM_ERROR("Cleanup eviction failed\n"); ++ } ++ } ++ ++out: ++ mutex_unlock(&bo->mutex); ++ return ret; ++} ++ ++ ++static struct drm_buffer_object *drm_bo_entry(struct list_head *list, ++ int pinned_list) ++{ ++ if (pinned_list) ++ return list_entry(list, struct drm_buffer_object, pinned_lru); ++ else ++ return list_entry(list, struct drm_buffer_object, lru); ++} ++ ++/* ++ * dev->struct_mutex locked. ++ */ ++ ++static int drm_bo_force_list_clean(struct drm_device *dev, ++ struct list_head *head, ++ unsigned mem_type, ++ int free_pinned, ++ int allow_errors, ++ int pinned_list) ++{ ++ struct list_head *list, *next, *prev; ++ struct drm_buffer_object *entry, *nentry; ++ int ret; ++ int do_restart; ++ ++ /* ++ * The list traversal is a bit odd here, because an item may ++ * disappear from the list when we release the struct_mutex or ++ * when we decrease the usage count. Also we're not guaranteed ++ * to drain pinned lists, so we can't always restart. ++ */ ++ ++restart: ++ nentry = NULL; ++ list_for_each_safe(list, next, head) { ++ prev = list->prev; ++ ++ entry = (nentry != NULL) ? nentry: drm_bo_entry(list, pinned_list); ++ atomic_inc(&entry->usage); ++ if (nentry) { ++ atomic_dec(&nentry->usage); ++ nentry = NULL; ++ } ++ ++ /* ++ * Protect the next item from destruction, so we can check ++ * its list pointers later on. ++ */ ++ ++ if (next != head) { ++ nentry = drm_bo_entry(next, pinned_list); ++ atomic_inc(&nentry->usage); ++ } ++ mutex_unlock(&dev->struct_mutex); ++ ++ ret = drm_bo_leave_list(entry, mem_type, free_pinned, ++ allow_errors); ++ mutex_lock(&dev->struct_mutex); ++ ++ drm_bo_usage_deref_locked(&entry); ++ if (ret) ++ return ret; ++ ++ /* ++ * Has the next item disappeared from the list? ++ */ ++ ++ do_restart = ((next->prev != list) && (next->prev != prev)); ++ ++ if (nentry != NULL && do_restart) ++ drm_bo_usage_deref_locked(&nentry); ++ ++ if (do_restart) ++ goto restart; ++ } ++ return 0; ++} ++ ++int drm_bo_clean_mm(struct drm_device *dev, unsigned mem_type) ++{ ++ struct drm_buffer_manager *bm = &dev->bm; ++ struct drm_mem_type_manager *man = &bm->man[mem_type]; ++ int ret = -EINVAL; ++ ++ if (mem_type >= DRM_BO_MEM_TYPES) { ++ DRM_ERROR("Illegal memory type %d\n", mem_type); ++ return ret; ++ } ++ ++ if (!man->has_type) { ++ DRM_ERROR("Trying to take down uninitialized " ++ "memory manager type %u\n", mem_type); ++ return ret; ++ } ++ man->use_type = 0; ++ man->has_type = 0; ++ ++ ret = 0; ++ if (mem_type > 0) { ++ BUG_ON(!list_empty(&bm->unfenced)); ++ drm_bo_force_list_clean(dev, &man->lru, mem_type, 1, 0, 0); ++ drm_bo_force_list_clean(dev, &man->pinned, mem_type, 1, 0, 1); ++ ++ if (drm_mm_clean(&man->manager)) { ++ drm_mm_takedown(&man->manager); ++ } else { ++ ret = -EBUSY; ++ } ++ } ++ ++ return ret; ++} ++EXPORT_SYMBOL(drm_bo_clean_mm); ++ ++/** ++ *Evict all buffers of a particular mem_type, but leave memory manager ++ *regions for NO_MOVE buffers intact. New buffers cannot be added at this ++ *point since we have the hardware lock. ++ */ ++ ++static int drm_bo_lock_mm(struct drm_device *dev, unsigned mem_type) ++{ ++ int ret; ++ struct drm_buffer_manager *bm = &dev->bm; ++ struct drm_mem_type_manager *man = &bm->man[mem_type]; ++ ++ if (mem_type == 0 || mem_type >= DRM_BO_MEM_TYPES) { ++ DRM_ERROR("Illegal memory manager memory type %u.\n", mem_type); ++ return -EINVAL; ++ } ++ ++ if (!man->has_type) { ++ DRM_ERROR("Memory type %u has not been initialized.\n", ++ mem_type); ++ return 0; ++ } ++ ++ ret = drm_bo_force_list_clean(dev, &man->lru, mem_type, 0, 1, 0); ++ if (ret) ++ return ret; ++ ret = drm_bo_force_list_clean(dev, &man->pinned, mem_type, 0, 1, 1); ++ ++ return ret; ++} ++ ++int drm_bo_init_mm(struct drm_device *dev, ++ unsigned type, ++ unsigned long p_offset, unsigned long p_size) ++{ ++ struct drm_buffer_manager *bm = &dev->bm; ++ int ret = -EINVAL; ++ struct drm_mem_type_manager *man; ++ ++ if (type >= DRM_BO_MEM_TYPES) { ++ DRM_ERROR("Illegal memory type %d\n", type); ++ return ret; ++ } ++ ++ man = &bm->man[type]; ++ if (man->has_type) { ++ DRM_ERROR("Memory manager already initialized for type %d\n", ++ type); ++ return ret; ++ } ++ ++ ret = dev->driver->bo_driver->init_mem_type(dev, type, man); ++ if (ret) ++ return ret; ++ ++ ret = 0; ++ if (type != DRM_BO_MEM_LOCAL) { ++ if (!p_size) { ++ DRM_ERROR("Zero size memory manager type %d\n", type); ++ return ret; ++ } ++ ret = drm_mm_init(&man->manager, p_offset, p_size); ++ if (ret) ++ return ret; ++ } ++ man->has_type = 1; ++ man->use_type = 1; ++ ++ INIT_LIST_HEAD(&man->lru); ++ INIT_LIST_HEAD(&man->pinned); ++ ++ return 0; ++} ++EXPORT_SYMBOL(drm_bo_init_mm); ++ ++/* ++ * This function is intended to be called on drm driver unload. ++ * If you decide to call it from lastclose, you must protect the call ++ * from a potentially racing drm_bo_driver_init in firstopen. ++ * (This may happen on X server restart). ++ */ ++ ++int drm_bo_driver_finish(struct drm_device *dev) ++{ ++ struct drm_buffer_manager *bm = &dev->bm; ++ int ret = 0; ++ unsigned i = DRM_BO_MEM_TYPES; ++ struct drm_mem_type_manager *man; ++ ++ mutex_lock(&dev->struct_mutex); ++ ++ if (!bm->initialized) ++ goto out; ++ bm->initialized = 0; ++ ++ while (i--) { ++ man = &bm->man[i]; ++ if (man->has_type) { ++ man->use_type = 0; ++ if ((i != DRM_BO_MEM_LOCAL) && drm_bo_clean_mm(dev, i)) { ++ ret = -EBUSY; ++ DRM_ERROR("DRM memory manager type %d " ++ "is not clean.\n", i); ++ } ++ man->has_type = 0; ++ } ++ } ++ mutex_unlock(&dev->struct_mutex); ++ ++ if (!cancel_delayed_work(&bm->wq)) ++ flush_scheduled_work(); ++ ++ mutex_lock(&dev->struct_mutex); ++ drm_bo_delayed_delete(dev, 1); ++ if (list_empty(&bm->ddestroy)) ++ DRM_DEBUG("Delayed destroy list was clean\n"); ++ ++ if (list_empty(&bm->man[0].lru)) ++ DRM_DEBUG("Swap list was clean\n"); ++ ++ if (list_empty(&bm->man[0].pinned)) ++ DRM_DEBUG("NO_MOVE list was clean\n"); ++ ++ if (list_empty(&bm->unfenced)) ++ DRM_DEBUG("Unfenced list was clean\n"); ++ ++ __free_page(bm->dummy_read_page); ++ ++out: ++ mutex_unlock(&dev->struct_mutex); ++ return ret; ++} ++EXPORT_SYMBOL(drm_bo_driver_finish); ++ ++/* ++ * This function is intended to be called on drm driver load. ++ * If you decide to call it from firstopen, you must protect the call ++ * from a potentially racing drm_bo_driver_finish in lastclose. ++ * (This may happen on X server restart). ++ */ ++ ++int drm_bo_driver_init(struct drm_device *dev) ++{ ++ struct drm_bo_driver *driver = dev->driver->bo_driver; ++ struct drm_buffer_manager *bm = &dev->bm; ++ int ret = -EINVAL; ++ ++ bm->dummy_read_page = NULL; ++ drm_bo_init_lock(&bm->bm_lock); ++ mutex_lock(&dev->struct_mutex); ++ if (!driver) ++ goto out_unlock; ++ ++ bm->dummy_read_page = alloc_page(__GFP_ZERO | GFP_DMA32); ++ if (!bm->dummy_read_page) { ++ ret = -ENOMEM; ++ goto out_unlock; ++ } ++ ++ ++ /* ++ * Initialize the system memory buffer type. ++ * Other types need to be driver / IOCTL initialized. ++ */ ++ ret = drm_bo_init_mm(dev, DRM_BO_MEM_LOCAL, 0, 0); ++ if (ret) ++ goto out_unlock; ++ ++ INIT_DELAYED_WORK(&bm->wq, drm_bo_delayed_workqueue); ++ ++ bm->initialized = 1; ++ bm->nice_mode = 1; ++ atomic_set(&bm->count, 0); ++ bm->cur_pages = 0; ++ INIT_LIST_HEAD(&bm->unfenced); ++ INIT_LIST_HEAD(&bm->ddestroy); ++out_unlock: ++ mutex_unlock(&dev->struct_mutex); ++ return ret; ++} ++EXPORT_SYMBOL(drm_bo_driver_init); ++ ++int drm_mm_init_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) ++{ ++ struct drm_mm_init_arg *arg = data; ++ struct drm_buffer_manager *bm = &dev->bm; ++ struct drm_bo_driver *driver = dev->driver->bo_driver; ++ int ret; ++ ++ if (!driver) { ++ DRM_ERROR("Buffer objects are not supported by this driver\n"); ++ return -EINVAL; ++ } ++ ++ ret = drm_bo_write_lock(&bm->bm_lock, file_priv); ++ if (ret) ++ return ret; ++ ++ ret = -EINVAL; ++ if (arg->magic != DRM_BO_INIT_MAGIC) { ++ DRM_ERROR("You are using an old libdrm that is not compatible with\n" ++ "\tthe kernel DRM module. Please upgrade your libdrm.\n"); ++ return -EINVAL; ++ } ++ if (arg->major != DRM_BO_INIT_MAJOR) { ++ DRM_ERROR("libdrm and kernel DRM buffer object interface major\n" ++ "\tversion don't match. Got %d, expected %d.\n", ++ arg->major, DRM_BO_INIT_MAJOR); ++ return -EINVAL; ++ } ++ ++ mutex_lock(&dev->struct_mutex); ++ if (!bm->initialized) { ++ DRM_ERROR("DRM memory manager was not initialized.\n"); ++ goto out; ++ } ++ if (arg->mem_type == 0) { ++ DRM_ERROR("System memory buffers already initialized.\n"); ++ goto out; ++ } ++ ret = drm_bo_init_mm(dev, arg->mem_type, ++ arg->p_offset, arg->p_size); ++ ++out: ++ mutex_unlock(&dev->struct_mutex); ++ (void) drm_bo_write_unlock(&bm->bm_lock, file_priv); ++ ++ if (ret) ++ return ret; ++ ++ return 0; ++} ++ ++int drm_mm_takedown_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) ++{ ++ struct drm_mm_type_arg *arg = data; ++ struct drm_buffer_manager *bm = &dev->bm; ++ struct drm_bo_driver *driver = dev->driver->bo_driver; ++ int ret; ++ ++ if (!driver) { ++ DRM_ERROR("Buffer objects are not supported by this driver\n"); ++ return -EINVAL; ++ } ++ ++ ret = drm_bo_write_lock(&bm->bm_lock, file_priv); ++ if (ret) ++ return ret; ++ ++ mutex_lock(&dev->struct_mutex); ++ ret = -EINVAL; ++ if (!bm->initialized) { ++ DRM_ERROR("DRM memory manager was not initialized\n"); ++ goto out; ++ } ++ if (arg->mem_type == 0) { ++ DRM_ERROR("No takedown for System memory buffers.\n"); ++ goto out; ++ } ++ ret = 0; ++ if (drm_bo_clean_mm(dev, arg->mem_type)) { ++ DRM_ERROR("Memory manager type %d not clean. " ++ "Delaying takedown\n", arg->mem_type); ++ } ++out: ++ mutex_unlock(&dev->struct_mutex); ++ (void) drm_bo_write_unlock(&bm->bm_lock, file_priv); ++ ++ if (ret) ++ return ret; ++ ++ return 0; ++} ++ ++int drm_mm_lock_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) ++{ ++ struct drm_mm_type_arg *arg = data; ++ struct drm_bo_driver *driver = dev->driver->bo_driver; ++ int ret; ++ ++ if (!driver) { ++ DRM_ERROR("Buffer objects are not supported by this driver\n"); ++ return -EINVAL; ++ } ++ ++ if (arg->lock_flags & DRM_BO_LOCK_IGNORE_NO_EVICT) { ++ DRM_ERROR("Lock flag DRM_BO_LOCK_IGNORE_NO_EVICT not supported yet.\n"); ++ return -EINVAL; ++ } ++ ++ if (arg->lock_flags & DRM_BO_LOCK_UNLOCK_BM) { ++ ret = drm_bo_write_lock(&dev->bm.bm_lock, file_priv); ++ if (ret) ++ return ret; ++ } ++ ++ mutex_lock(&dev->struct_mutex); ++ ret = drm_bo_lock_mm(dev, arg->mem_type); ++ mutex_unlock(&dev->struct_mutex); ++ if (ret) { ++ (void) drm_bo_write_unlock(&dev->bm.bm_lock, file_priv); ++ return ret; ++ } ++ ++ return 0; ++} ++ ++int drm_mm_unlock_ioctl(struct drm_device *dev, ++ void *data, ++ struct drm_file *file_priv) ++{ ++ struct drm_mm_type_arg *arg = data; ++ struct drm_bo_driver *driver = dev->driver->bo_driver; ++ int ret; ++ ++ if (!driver) { ++ DRM_ERROR("Buffer objects are not supported by this driver\n"); ++ return -EINVAL; ++ } ++ ++ if (arg->lock_flags & DRM_BO_LOCK_UNLOCK_BM) { ++ ret = drm_bo_write_unlock(&dev->bm.bm_lock, file_priv); ++ if (ret) ++ return ret; ++ } ++ ++ return 0; ++} ++ ++/* ++ * buffer object vm functions. ++ */ ++ ++int drm_mem_reg_is_pci(struct drm_device *dev, struct drm_bo_mem_reg *mem) ++{ ++ struct drm_buffer_manager *bm = &dev->bm; ++ struct drm_mem_type_manager *man = &bm->man[mem->mem_type]; ++ ++ if (!(man->flags & _DRM_FLAG_MEMTYPE_FIXED)) { ++ if (mem->mem_type == DRM_BO_MEM_LOCAL) ++ return 0; ++ ++ if (man->flags & _DRM_FLAG_MEMTYPE_CMA) ++ return 0; ++ ++ if (mem->flags & DRM_BO_FLAG_CACHED) ++ return 0; ++ } ++ return 1; ++} ++EXPORT_SYMBOL(drm_mem_reg_is_pci); ++ ++/** ++ * \c Get the PCI offset for the buffer object memory. ++ * ++ * \param bo The buffer object. ++ * \param bus_base On return the base of the PCI region ++ * \param bus_offset On return the byte offset into the PCI region ++ * \param bus_size On return the byte size of the buffer object or zero if ++ * the buffer object memory is not accessible through a PCI region. ++ * \return Failure indication. ++ * ++ * Returns -EINVAL if the buffer object is currently not mappable. ++ * Otherwise returns zero. ++ */ ++ ++int drm_bo_pci_offset(struct drm_device *dev, ++ struct drm_bo_mem_reg *mem, ++ unsigned long *bus_base, ++ unsigned long *bus_offset, unsigned long *bus_size) ++{ ++ struct drm_buffer_manager *bm = &dev->bm; ++ struct drm_mem_type_manager *man = &bm->man[mem->mem_type]; ++ ++ *bus_size = 0; ++ if (!(man->flags & _DRM_FLAG_MEMTYPE_MAPPABLE)) ++ return -EINVAL; ++ ++ if (drm_mem_reg_is_pci(dev, mem)) { ++ *bus_offset = mem->mm_node->start << PAGE_SHIFT; ++ *bus_size = mem->num_pages << PAGE_SHIFT; ++ *bus_base = man->io_offset; ++ } ++ ++ return 0; ++} ++ ++/** ++ * \c Kill all user-space virtual mappings of this buffer object. ++ * ++ * \param bo The buffer object. ++ * ++ * Call bo->mutex locked. ++ */ ++ ++void drm_bo_unmap_virtual(struct drm_buffer_object *bo) ++{ ++ struct drm_device *dev = bo->dev; ++ loff_t offset = ((loff_t) bo->map_list.hash.key) << PAGE_SHIFT; ++ loff_t holelen = ((loff_t) bo->mem.num_pages) << PAGE_SHIFT; ++ ++ if (!dev->dev_mapping) ++ return; ++ ++ unmap_mapping_range(dev->dev_mapping, offset, holelen, 1); ++} ++ ++static void drm_bo_takedown_vm_locked(struct drm_buffer_object *bo) ++{ ++ struct drm_map_list *list; ++ drm_local_map_t *map; ++ struct drm_device *dev = bo->dev; ++ ++ DRM_ASSERT_LOCKED(&dev->struct_mutex); ++ if (bo->type != drm_bo_type_dc) ++ return; ++ ++ list = &bo->map_list; ++ if (list->user_token) { ++ drm_ht_remove_item(&dev->map_hash, &list->hash); ++ list->user_token = 0; ++ } ++ if (list->file_offset_node) { ++ drm_mm_put_block(list->file_offset_node); ++ list->file_offset_node = NULL; ++ } ++ ++ map = list->map; ++ if (!map) ++ return; ++ ++ drm_free(map, sizeof(*map), DRM_MEM_BUFOBJ); ++ list->map = NULL; ++ list->user_token = 0ULL; ++ drm_bo_usage_deref_locked(&bo); ++} ++ ++static int drm_bo_setup_vm_locked(struct drm_buffer_object *bo) ++{ ++ struct drm_map_list *list = &bo->map_list; ++ drm_local_map_t *map; ++ struct drm_device *dev = bo->dev; ++ ++ DRM_ASSERT_LOCKED(&dev->struct_mutex); ++ list->map = drm_calloc(1, sizeof(*map), DRM_MEM_BUFOBJ); ++ if (!list->map) ++ return -ENOMEM; ++ ++ map = list->map; ++ map->offset = 0; ++ map->type = _DRM_TTM; ++ map->flags = _DRM_REMOVABLE; ++ map->size = bo->mem.num_pages * PAGE_SIZE; ++ atomic_inc(&bo->usage); ++ map->handle = (void *)bo; ++ ++ list->file_offset_node = drm_mm_search_free(&dev->offset_manager, ++ bo->mem.num_pages, 0, 0); ++ ++ if (!list->file_offset_node) { ++ drm_bo_takedown_vm_locked(bo); ++ return -ENOMEM; ++ } ++ ++ list->file_offset_node = drm_mm_get_block(list->file_offset_node, ++ bo->mem.num_pages, 0); ++ if (!list->file_offset_node) { ++ drm_bo_takedown_vm_locked(bo); ++ return -ENOMEM; ++ } ++ ++ list->hash.key = list->file_offset_node->start; ++ if (drm_ht_insert_item(&dev->map_hash, &list->hash)) { ++ drm_bo_takedown_vm_locked(bo); ++ return -ENOMEM; ++ } ++ ++ list->user_token = ((uint64_t) list->hash.key) << PAGE_SHIFT; ++ ++ return 0; ++} ++ ++int drm_bo_version_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv) ++{ ++ struct drm_bo_version_arg *arg = (struct drm_bo_version_arg *)data; ++ ++ arg->major = DRM_BO_INIT_MAJOR; ++ arg->minor = DRM_BO_INIT_MINOR; ++ arg->patchlevel = DRM_BO_INIT_PATCH; ++ ++ return 0; ++} +Index: linux-2.6.28/drivers/gpu/drm/drm_bo_lock.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/drm_bo_lock.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,175 @@ ++/************************************************************************** ++ * ++ * Copyright (c) 2007 Tungsten Graphics, Inc., Cedar Park, TX., USA ++ * All Rights Reserved. ++ * ++ * Permission is hereby granted, free of charge, to any person obtaining a ++ * copy of this software and associated documentation files (the ++ * "Software"), to deal in the Software without restriction, including ++ * without limitation the rights to use, copy, modify, merge, publish, ++ * distribute, sub license, and/or sell copies of the Software, and to ++ * permit persons to whom the Software is furnished to do so, subject to ++ * the following conditions: ++ * ++ * The above copyright notice and this permission notice (including the ++ * next paragraph) shall be included in all copies or substantial portions ++ * of the Software. ++ * ++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ++ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ++ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL ++ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, ++ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR ++ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE ++ * USE OR OTHER DEALINGS IN THE SOFTWARE. ++ * ++ **************************************************************************/ ++/* ++ * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com> ++ */ ++ ++/* ++ * This file implements a simple replacement for the buffer manager use ++ * of the heavyweight hardware lock. ++ * The lock is a read-write lock. Taking it in read mode is fast, and ++ * intended for in-kernel use only. ++ * Taking it in write mode is slow. ++ * ++ * The write mode is used only when there is a need to block all ++ * user-space processes from allocating a ++ * new memory area. ++ * Typical use in write mode is X server VT switching, and it's allowed ++ * to leave kernel space with the write lock held. If a user-space process ++ * dies while having the write-lock, it will be released during the file ++ * descriptor release. ++ * ++ * The read lock is typically placed at the start of an IOCTL- or ++ * user-space callable function that may end up allocating a memory area. ++ * This includes setstatus, super-ioctls and no_pfn; the latter may move ++ * unmappable regions to mappable. It's a bug to leave kernel space with the ++ * read lock held. ++ * ++ * Both read- and write lock taking is interruptible for low signal-delivery ++ * latency. The locking functions will return -EAGAIN if interrupted by a ++ * signal. ++ * ++ * Locking order: The lock should be taken BEFORE any kernel mutexes ++ * or spinlocks. ++ */ ++ ++#include "drmP.h" ++ ++void drm_bo_init_lock(struct drm_bo_lock *lock) ++{ ++ DRM_INIT_WAITQUEUE(&lock->queue); ++ atomic_set(&lock->write_lock_pending, 0); ++ atomic_set(&lock->readers, 0); ++} ++ ++void drm_bo_read_unlock(struct drm_bo_lock *lock) ++{ ++ if (unlikely(atomic_add_negative(-1, &lock->readers))) ++ BUG(); ++ if (atomic_read(&lock->readers) == 0) ++ wake_up_interruptible(&lock->queue); ++} ++EXPORT_SYMBOL(drm_bo_read_unlock); ++ ++int drm_bo_read_lock(struct drm_bo_lock *lock) ++{ ++ while (unlikely(atomic_read(&lock->write_lock_pending) != 0)) { ++ int ret; ++ ret = wait_event_interruptible ++ (lock->queue, atomic_read(&lock->write_lock_pending) == 0); ++ if (ret) ++ return -EAGAIN; ++ } ++ ++ while (unlikely(!atomic_add_unless(&lock->readers, 1, -1))) { ++ int ret; ++ ret = wait_event_interruptible ++ (lock->queue, atomic_add_unless(&lock->readers, 1, -1)); ++ if (ret) ++ return -EAGAIN; ++ } ++ return 0; ++} ++EXPORT_SYMBOL(drm_bo_read_lock); ++ ++static int __drm_bo_write_unlock(struct drm_bo_lock *lock) ++{ ++ if (unlikely(atomic_cmpxchg(&lock->readers, -1, 0) != -1)) ++ return -EINVAL; ++ if (unlikely(atomic_cmpxchg(&lock->write_lock_pending, 1, 0) != 1)) ++ return -EINVAL; ++ wake_up_interruptible(&lock->queue); ++ return 0; ++} ++ ++static void drm_bo_write_lock_remove(struct drm_file *file_priv, ++ struct drm_user_object *item) ++{ ++ struct drm_bo_lock *lock = container_of(item, struct drm_bo_lock, base); ++ int ret; ++ ++ ret = __drm_bo_write_unlock(lock); ++ BUG_ON(ret); ++} ++ ++int drm_bo_write_lock(struct drm_bo_lock *lock, struct drm_file *file_priv) ++{ ++ int ret = 0; ++ struct drm_device *dev; ++ ++ if (unlikely(atomic_cmpxchg(&lock->write_lock_pending, 0, 1) != 0)) ++ return -EINVAL; ++ ++ while (unlikely(atomic_cmpxchg(&lock->readers, 0, -1) != 0)) { ++ ret = wait_event_interruptible ++ (lock->queue, atomic_cmpxchg(&lock->readers, 0, -1) == 0); ++ ++ if (ret) { ++ atomic_set(&lock->write_lock_pending, 0); ++ wake_up_interruptible(&lock->queue); ++ return -EAGAIN; ++ } ++ } ++ ++ /* ++ * Add a dummy user-object, the destructor of which will ++ * make sure the lock is released if the client dies ++ * while holding it. ++ */ ++ ++ dev = file_priv->minor->dev; ++ mutex_lock(&dev->struct_mutex); ++ ret = drm_add_user_object(file_priv, &lock->base, 0); ++ lock->base.remove = &drm_bo_write_lock_remove; ++ lock->base.type = drm_lock_type; ++ if (ret) ++ (void)__drm_bo_write_unlock(lock); ++ ++ mutex_unlock(&dev->struct_mutex); ++ ++ return ret; ++} ++ ++int drm_bo_write_unlock(struct drm_bo_lock *lock, struct drm_file *file_priv) ++{ ++ struct drm_device *dev = file_priv->minor->dev; ++ struct drm_ref_object *ro; ++ ++ mutex_lock(&dev->struct_mutex); ++ ++ if (lock->base.owner != file_priv) { ++ mutex_unlock(&dev->struct_mutex); ++ return -EINVAL; ++ } ++ ro = drm_lookup_ref_object(file_priv, &lock->base, _DRM_REF_USE); ++ BUG_ON(!ro); ++ drm_remove_ref_object(file_priv, ro); ++ lock->base.owner = NULL; ++ ++ mutex_unlock(&dev->struct_mutex); ++ return 0; ++} +Index: linux-2.6.28/drivers/gpu/drm/drm_bo_move.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/drm_bo_move.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,590 @@ ++/************************************************************************** ++ * ++ * Copyright (c) 2007 Tungsten Graphics, Inc., Cedar Park, TX., USA ++ * All Rights Reserved. ++ * ++ * Permission is hereby granted, free of charge, to any person obtaining a ++ * copy of this software and associated documentation files (the ++ * "Software"), to deal in the Software without restriction, including ++ * without limitation the rights to use, copy, modify, merge, publish, ++ * distribute, sub license, and/or sell copies of the Software, and to ++ * permit persons to whom the Software is furnished to do so, subject to ++ * the following conditions: ++ * ++ * The above copyright notice and this permission notice (including the ++ * next paragraph) shall be included in all copies or substantial portions ++ * of the Software. ++ * ++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ++ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ++ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL ++ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, ++ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR ++ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE ++ * USE OR OTHER DEALINGS IN THE SOFTWARE. ++ * ++ **************************************************************************/ ++/* ++ * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com> ++ */ ++ ++#include "drmP.h" ++ ++/** ++ * Free the old memory node unless it's a pinned region and we ++ * have not been requested to free also pinned regions. ++ */ ++ ++static void drm_bo_free_old_node(struct drm_buffer_object *bo) ++{ ++ struct drm_bo_mem_reg *old_mem = &bo->mem; ++ ++ if (old_mem->mm_node && (old_mem->mm_node != bo->pinned_node)) { ++ mutex_lock(&bo->dev->struct_mutex); ++ drm_mm_put_block(old_mem->mm_node); ++ mutex_unlock(&bo->dev->struct_mutex); ++ } ++ old_mem->mm_node = NULL; ++} ++ ++int drm_bo_move_ttm(struct drm_buffer_object *bo, ++ int evict, int no_wait, struct drm_bo_mem_reg *new_mem) ++{ ++ struct drm_ttm *ttm = bo->ttm; ++ struct drm_bo_mem_reg *old_mem = &bo->mem; ++ uint64_t save_flags = old_mem->flags; ++ uint64_t save_mask = old_mem->mask; ++ int ret; ++ ++ if (old_mem->mem_type != DRM_BO_MEM_LOCAL) { ++ if (evict) ++ drm_ttm_evict(ttm); ++ else ++ drm_ttm_unbind(ttm); ++ ++ drm_bo_free_old_node(bo); ++ DRM_FLAG_MASKED(old_mem->flags, ++ DRM_BO_FLAG_CACHED | DRM_BO_FLAG_MAPPABLE | ++ DRM_BO_FLAG_MEM_LOCAL, DRM_BO_MASK_MEMTYPE); ++ old_mem->mem_type = DRM_BO_MEM_LOCAL; ++ save_flags = old_mem->flags; ++ } ++ if (new_mem->mem_type != DRM_BO_MEM_LOCAL) { ++ ret = drm_bind_ttm(ttm, new_mem); ++ if (ret) ++ return ret; ++ } ++ ++ *old_mem = *new_mem; ++ new_mem->mm_node = NULL; ++ old_mem->mask = save_mask; ++ DRM_FLAG_MASKED(save_flags, new_mem->flags, DRM_BO_MASK_MEMTYPE); ++ return 0; ++} ++EXPORT_SYMBOL(drm_bo_move_ttm); ++ ++/** ++ * \c Return a kernel virtual address to the buffer object PCI memory. ++ * ++ * \param bo The buffer object. ++ * \return Failure indication. ++ * ++ * Returns -EINVAL if the buffer object is currently not mappable. ++ * Returns -ENOMEM if the ioremap operation failed. ++ * Otherwise returns zero. ++ * ++ * After a successfull call, bo->iomap contains the virtual address, or NULL ++ * if the buffer object content is not accessible through PCI space. ++ * Call bo->mutex locked. ++ */ ++ ++int drm_mem_reg_ioremap(struct drm_device *dev, struct drm_bo_mem_reg *mem, ++ void **virtual) ++{ ++ struct drm_buffer_manager *bm = &dev->bm; ++ struct drm_mem_type_manager *man = &bm->man[mem->mem_type]; ++ unsigned long bus_offset; ++ unsigned long bus_size; ++ unsigned long bus_base; ++ int ret; ++ void *addr; ++ ++ *virtual = NULL; ++ ret = drm_bo_pci_offset(dev, mem, &bus_base, &bus_offset, &bus_size); ++ if (ret || bus_size == 0) ++ return ret; ++ ++ if (!(man->flags & _DRM_FLAG_NEEDS_IOREMAP)) ++ addr = (void *)(((u8 *) man->io_addr) + bus_offset); ++ else { ++ addr = ioremap_nocache(bus_base + bus_offset, bus_size); ++ if (!addr) ++ return -ENOMEM; ++ } ++ *virtual = addr; ++ return 0; ++} ++EXPORT_SYMBOL(drm_mem_reg_ioremap); ++ ++/** ++ * \c Unmap mapping obtained using drm_bo_ioremap ++ * ++ * \param bo The buffer object. ++ * ++ * Call bo->mutex locked. ++ */ ++ ++void drm_mem_reg_iounmap(struct drm_device *dev, struct drm_bo_mem_reg *mem, ++ void *virtual) ++{ ++ struct drm_buffer_manager *bm; ++ struct drm_mem_type_manager *man; ++ ++ bm = &dev->bm; ++ man = &bm->man[mem->mem_type]; ++ ++ if (virtual && (man->flags & _DRM_FLAG_NEEDS_IOREMAP)) ++ iounmap(virtual); ++} ++EXPORT_SYMBOL(drm_mem_reg_iounmap); ++ ++static int drm_copy_io_page(void *dst, void *src, unsigned long page) ++{ ++ uint32_t *dstP = ++ (uint32_t *) ((unsigned long)dst + (page << PAGE_SHIFT)); ++ uint32_t *srcP = ++ (uint32_t *) ((unsigned long)src + (page << PAGE_SHIFT)); ++ ++ int i; ++ for (i = 0; i < PAGE_SIZE / sizeof(uint32_t); ++i) ++ iowrite32(ioread32(srcP++), dstP++); ++ return 0; ++} ++ ++static int drm_copy_io_ttm_page(struct drm_ttm *ttm, void *src, ++ unsigned long page) ++{ ++ struct page *d = drm_ttm_get_page(ttm, page); ++ void *dst; ++ ++ if (!d) ++ return -ENOMEM; ++ ++ src = (void *)((unsigned long)src + (page << PAGE_SHIFT)); ++ dst = kmap(d); ++ if (!dst) ++ return -ENOMEM; ++ ++ memcpy_fromio(dst, src, PAGE_SIZE); ++ kunmap(d); ++ return 0; ++} ++ ++static int drm_copy_ttm_io_page(struct drm_ttm *ttm, void *dst, unsigned long page) ++{ ++ struct page *s = drm_ttm_get_page(ttm, page); ++ void *src; ++ ++ if (!s) ++ return -ENOMEM; ++ ++ dst = (void *)((unsigned long)dst + (page << PAGE_SHIFT)); ++ src = kmap(s); ++ if (!src) ++ return -ENOMEM; ++ ++ memcpy_toio(dst, src, PAGE_SIZE); ++ kunmap(s); ++ return 0; ++} ++ ++int drm_bo_move_memcpy(struct drm_buffer_object *bo, ++ int evict, int no_wait, struct drm_bo_mem_reg *new_mem) ++{ ++ struct drm_device *dev = bo->dev; ++ struct drm_mem_type_manager *man = &dev->bm.man[new_mem->mem_type]; ++ struct drm_ttm *ttm = bo->ttm; ++ struct drm_bo_mem_reg *old_mem = &bo->mem; ++ struct drm_bo_mem_reg old_copy = *old_mem; ++ void *old_iomap; ++ void *new_iomap; ++ int ret; ++ uint64_t save_flags = old_mem->flags; ++ uint64_t save_mask = old_mem->mask; ++ unsigned long i; ++ unsigned long page; ++ unsigned long add = 0; ++ int dir; ++ ++ ret = drm_mem_reg_ioremap(dev, old_mem, &old_iomap); ++ if (ret) ++ return ret; ++ ret = drm_mem_reg_ioremap(dev, new_mem, &new_iomap); ++ if (ret) ++ goto out; ++ ++ if (old_iomap == NULL && new_iomap == NULL) ++ goto out2; ++ if (old_iomap == NULL && ttm == NULL) ++ goto out2; ++ ++ add = 0; ++ dir = 1; ++ ++ if ((old_mem->mem_type == new_mem->mem_type) && ++ (new_mem->mm_node->start < ++ old_mem->mm_node->start + old_mem->mm_node->size)) { ++ dir = -1; ++ add = new_mem->num_pages - 1; ++ } ++ ++ for (i = 0; i < new_mem->num_pages; ++i) { ++ page = i * dir + add; ++ if (old_iomap == NULL) ++ ret = drm_copy_ttm_io_page(ttm, new_iomap, page); ++ else if (new_iomap == NULL) ++ ret = drm_copy_io_ttm_page(ttm, old_iomap, page); ++ else ++ ret = drm_copy_io_page(new_iomap, old_iomap, page); ++ if (ret) ++ goto out1; ++ } ++ mb(); ++out2: ++ drm_bo_free_old_node(bo); ++ ++ *old_mem = *new_mem; ++ new_mem->mm_node = NULL; ++ old_mem->mask = save_mask; ++ DRM_FLAG_MASKED(save_flags, new_mem->flags, DRM_BO_MASK_MEMTYPE); ++ ++ if ((man->flags & _DRM_FLAG_MEMTYPE_FIXED) && (ttm != NULL)) { ++ drm_ttm_unbind(ttm); ++ drm_destroy_ttm(ttm); ++ bo->ttm = NULL; ++ } ++ ++out1: ++ drm_mem_reg_iounmap(dev, new_mem, new_iomap); ++out: ++ drm_mem_reg_iounmap(dev, &old_copy, old_iomap); ++ return ret; ++} ++EXPORT_SYMBOL(drm_bo_move_memcpy); ++ ++/* ++ * Transfer a buffer object's memory and LRU status to a newly ++ * created object. User-space references remains with the old ++ * object. Call bo->mutex locked. ++ */ ++ ++int drm_buffer_object_transfer(struct drm_buffer_object *bo, ++ struct drm_buffer_object **new_obj) ++{ ++ struct drm_buffer_object *fbo; ++ struct drm_device *dev = bo->dev; ++ struct drm_buffer_manager *bm = &dev->bm; ++ ++ fbo = drm_calloc(1, sizeof(*fbo), DRM_MEM_BUFOBJ); ++ if (!fbo) ++ return -ENOMEM; ++ ++ *fbo = *bo; ++ mutex_init(&fbo->mutex); ++ mutex_lock(&fbo->mutex); ++ mutex_lock(&dev->struct_mutex); ++ ++ DRM_INIT_WAITQUEUE(&bo->event_queue); ++ INIT_LIST_HEAD(&fbo->ddestroy); ++ INIT_LIST_HEAD(&fbo->lru); ++ INIT_LIST_HEAD(&fbo->pinned_lru); ++#ifdef DRM_ODD_MM_COMPAT ++ INIT_LIST_HEAD(&fbo->vma_list); ++ INIT_LIST_HEAD(&fbo->p_mm_list); ++#endif ++ ++ fbo->fence = drm_fence_reference_locked(bo->fence); ++ fbo->pinned_node = NULL; ++ fbo->mem.mm_node->private = (void *)fbo; ++ atomic_set(&fbo->usage, 1); ++ atomic_inc(&bm->count); ++ mutex_unlock(&dev->struct_mutex); ++ mutex_unlock(&fbo->mutex); ++ bo->reserved_size = 0; ++ *new_obj = fbo; ++ return 0; ++} ++ ++/* ++ * Since move is underway, we need to block signals in this function. ++ * We cannot restart until it has finished. ++ */ ++ ++int drm_bo_move_accel_cleanup(struct drm_buffer_object *bo, ++ int evict, int no_wait, uint32_t fence_class, ++ uint32_t fence_type, uint32_t fence_flags, ++ struct drm_bo_mem_reg *new_mem) ++{ ++ struct drm_device *dev = bo->dev; ++ struct drm_mem_type_manager *man = &dev->bm.man[new_mem->mem_type]; ++ struct drm_bo_mem_reg *old_mem = &bo->mem; ++ int ret; ++ uint64_t save_flags = old_mem->flags; ++ uint64_t save_mask = old_mem->mask; ++ struct drm_buffer_object *old_obj; ++ ++ if (bo->fence) ++ drm_fence_usage_deref_unlocked(&bo->fence); ++ ret = drm_fence_object_create(dev, fence_class, fence_type, ++ fence_flags | DRM_FENCE_FLAG_EMIT, ++ &bo->fence); ++ bo->fence_type = fence_type; ++ if (ret) ++ return ret; ++ ++#ifdef DRM_ODD_MM_COMPAT ++ /* ++ * In this mode, we don't allow pipelining a copy blit, ++ * since the buffer will be accessible from user space ++ * the moment we return and rebuild the page tables. ++ * ++ * With normal vm operation, page tables are rebuilt ++ * on demand using fault(), which waits for buffer idle. ++ */ ++ if (1) ++#else ++ if (evict || ((bo->mem.mm_node == bo->pinned_node) && ++ bo->mem.mm_node != NULL)) ++#endif ++ { ++ ret = drm_bo_wait(bo, 0, 1, 0); ++ if (ret) ++ return ret; ++ ++ drm_bo_free_old_node(bo); ++ ++ if ((man->flags & _DRM_FLAG_MEMTYPE_FIXED) && (bo->ttm != NULL)) { ++ drm_ttm_unbind(bo->ttm); ++ drm_destroy_ttm(bo->ttm); ++ bo->ttm = NULL; ++ } ++ } else { ++ ++ /* This should help pipeline ordinary buffer moves. ++ * ++ * Hang old buffer memory on a new buffer object, ++ * and leave it to be released when the GPU ++ * operation has completed. ++ */ ++ ++ ret = drm_buffer_object_transfer(bo, &old_obj); ++ ++ if (ret) ++ return ret; ++ ++ if (!(man->flags & _DRM_FLAG_MEMTYPE_FIXED)) ++ old_obj->ttm = NULL; ++ else ++ bo->ttm = NULL; ++ ++ mutex_lock(&dev->struct_mutex); ++ list_del_init(&old_obj->lru); ++ DRM_FLAG_MASKED(bo->priv_flags, 0, _DRM_BO_FLAG_UNFENCED); ++ drm_bo_add_to_lru(old_obj); ++ ++ drm_bo_usage_deref_locked(&old_obj); ++ mutex_unlock(&dev->struct_mutex); ++ ++ } ++ ++ *old_mem = *new_mem; ++ new_mem->mm_node = NULL; ++ old_mem->mask = save_mask; ++ DRM_FLAG_MASKED(save_flags, new_mem->flags, DRM_BO_MASK_MEMTYPE); ++ return 0; ++} ++EXPORT_SYMBOL(drm_bo_move_accel_cleanup); ++ ++int drm_bo_same_page(unsigned long offset, ++ unsigned long offset2) ++{ ++ return (offset & PAGE_MASK) == (offset2 & PAGE_MASK); ++} ++EXPORT_SYMBOL(drm_bo_same_page); ++ ++unsigned long drm_bo_offset_end(unsigned long offset, ++ unsigned long end) ++{ ++ offset = (offset + PAGE_SIZE) & PAGE_MASK; ++ return (end < offset) ? end : offset; ++} ++EXPORT_SYMBOL(drm_bo_offset_end); ++ ++static pgprot_t drm_kernel_io_prot(uint32_t map_type) ++{ ++ pgprot_t tmp = PAGE_KERNEL; ++ ++#if defined(__i386__) || defined(__x86_64__) ++ if (boot_cpu_data.x86 > 3 && map_type != _DRM_AGP) { ++ pgprot_val(tmp) |= _PAGE_PCD; ++ pgprot_val(tmp) &= ~_PAGE_PWT; ++ } ++#elif defined(__powerpc__) ++ pgprot_val(tmp) |= _PAGE_NO_CACHE; ++ if (map_type == _DRM_REGISTERS) ++ pgprot_val(tmp) |= _PAGE_GUARDED; ++#endif ++#if defined(__ia64__) ++ if (map_type == _DRM_TTM) ++ tmp = pgprot_writecombine(tmp); ++ else ++ tmp = pgprot_noncached(tmp); ++#endif ++ return tmp; ++} ++ ++static int drm_bo_ioremap(struct drm_buffer_object *bo, unsigned long bus_base, ++ unsigned long bus_offset, unsigned long bus_size, ++ struct drm_bo_kmap_obj *map) ++{ ++ struct drm_device *dev = bo->dev; ++ struct drm_bo_mem_reg *mem = &bo->mem; ++ struct drm_mem_type_manager *man = &dev->bm.man[mem->mem_type]; ++ ++ if (!(man->flags & _DRM_FLAG_NEEDS_IOREMAP)) { ++ map->bo_kmap_type = bo_map_premapped; ++ map->virtual = (void *)(((u8 *) man->io_addr) + bus_offset); ++ } else { ++ map->bo_kmap_type = bo_map_iomap; ++ map->virtual = ioremap_nocache(bus_base + bus_offset, bus_size); ++ } ++ return (!map->virtual) ? -ENOMEM : 0; ++} ++ ++static int drm_bo_kmap_ttm(struct drm_buffer_object *bo, ++ unsigned long start_page, unsigned long num_pages, ++ struct drm_bo_kmap_obj *map) ++{ ++ struct drm_device *dev = bo->dev; ++ struct drm_bo_mem_reg *mem = &bo->mem; ++ struct drm_mem_type_manager *man = &dev->bm.man[mem->mem_type]; ++ pgprot_t prot; ++ struct drm_ttm *ttm = bo->ttm; ++ struct page *d; ++ int i; ++ ++ BUG_ON(!ttm); ++ ++ if (num_pages == 1 && (mem->flags & DRM_BO_FLAG_CACHED)) { ++ ++ /* ++ * We're mapping a single page, and the desired ++ * page protection is consistent with the bo. ++ */ ++ ++ map->bo_kmap_type = bo_map_kmap; ++ map->page = drm_ttm_get_page(ttm, start_page); ++ map->virtual = kmap(map->page); ++ } else { ++ /* ++ * Populate the part we're mapping; ++ */ ++ ++ for (i = start_page; i < start_page + num_pages; ++i) { ++ d = drm_ttm_get_page(ttm, i); ++ if (!d) ++ return -ENOMEM; ++ } ++ ++ /* ++ * We need to use vmap to get the desired page protection ++ * or to make the buffer object look contigous. ++ */ ++ ++ prot = (mem->flags & DRM_BO_FLAG_CACHED) ? ++ PAGE_KERNEL : ++ drm_kernel_io_prot(man->drm_bus_maptype); ++ map->bo_kmap_type = bo_map_vmap; ++ map->virtual = vmap(ttm->pages + start_page, ++ num_pages, 0, prot); ++ } ++ return (!map->virtual) ? -ENOMEM : 0; ++} ++ ++/* ++ * This function is to be used for kernel mapping of buffer objects. ++ * It chooses the appropriate mapping method depending on the memory type ++ * and caching policy the buffer currently has. ++ * Mapping multiple pages or buffers that live in io memory is a bit slow and ++ * consumes vmalloc space. Be restrictive with such mappings. ++ * Mapping single pages usually returns the logical kernel address, ++ * (which is fast) ++ * BUG may use slower temporary mappings for high memory pages or ++ * uncached / write-combined pages. ++ * ++ * The function fills in a drm_bo_kmap_obj which can be used to return the ++ * kernel virtual address of the buffer. ++ * ++ * Code servicing a non-priviliged user request is only allowed to map one ++ * page at a time. We might need to implement a better scheme to stop such ++ * processes from consuming all vmalloc space. ++ */ ++ ++int drm_bo_kmap(struct drm_buffer_object *bo, unsigned long start_page, ++ unsigned long num_pages, struct drm_bo_kmap_obj *map) ++{ ++ int ret; ++ unsigned long bus_base; ++ unsigned long bus_offset; ++ unsigned long bus_size; ++ ++ map->virtual = NULL; ++ ++ if (num_pages > bo->num_pages) ++ return -EINVAL; ++ if (start_page > bo->num_pages) ++ return -EINVAL; ++#if 0 ++ if (num_pages > 1 && !DRM_SUSER(DRM_CURPROC)) ++ return -EPERM; ++#endif ++ ret = drm_bo_pci_offset(bo->dev, &bo->mem, &bus_base, ++ &bus_offset, &bus_size); ++ ++ if (ret) ++ return ret; ++ ++ if (bus_size == 0) { ++ return drm_bo_kmap_ttm(bo, start_page, num_pages, map); ++ } else { ++ bus_offset += start_page << PAGE_SHIFT; ++ bus_size = num_pages << PAGE_SHIFT; ++ return drm_bo_ioremap(bo, bus_base, bus_offset, bus_size, map); ++ } ++} ++EXPORT_SYMBOL(drm_bo_kmap); ++ ++void drm_bo_kunmap(struct drm_bo_kmap_obj *map) ++{ ++ if (!map->virtual) ++ return; ++ ++ switch (map->bo_kmap_type) { ++ case bo_map_iomap: ++ iounmap(map->virtual); ++ break; ++ case bo_map_vmap: ++ vunmap(map->virtual); ++ break; ++ case bo_map_kmap: ++ kunmap(map->page); ++ break; ++ case bo_map_premapped: ++ break; ++ default: ++ BUG(); ++ } ++ map->virtual = NULL; ++ map->page = NULL; ++} ++EXPORT_SYMBOL(drm_bo_kunmap); +Index: linux-2.6.28/drivers/gpu/drm/drm_bufs.c +=================================================================== +--- linux-2.6.28.orig/drivers/gpu/drm/drm_bufs.c 2009-02-20 12:22:53.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/drm_bufs.c 2009-02-20 12:23:06.000000000 +0000 +@@ -435,6 +435,8 @@ + case _DRM_GEM: + DRM_ERROR("tried to rmmap GEM object\n"); + break; ++ case _DRM_TTM: ++ BUG_ON(1); + } + drm_free(map, sizeof(*map), DRM_MEM_MAPS); + +Index: linux-2.6.28/drivers/gpu/drm/drm_drv.c +=================================================================== +--- linux-2.6.28.orig/drivers/gpu/drm/drm_drv.c 2009-02-20 12:22:53.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/drm_drv.c 2009-02-20 12:27:53.000000000 +0000 +@@ -143,6 +143,34 @@ + DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETFB, drm_mode_getfb, DRM_MASTER|DRM_CONTROL_ALLOW), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB, drm_mode_addfb, DRM_MASTER|DRM_CONTROL_ALLOW), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb, DRM_MASTER|DRM_CONTROL_ALLOW), ++ ++ DRM_IOCTL_DEF(DRM_IOCTL_MM_INIT, drm_mm_init_ioctl, ++ DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), ++ DRM_IOCTL_DEF(DRM_IOCTL_MM_TAKEDOWN, drm_mm_takedown_ioctl, ++ DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), ++ DRM_IOCTL_DEF(DRM_IOCTL_MM_LOCK, drm_mm_lock_ioctl, ++ DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), ++ DRM_IOCTL_DEF(DRM_IOCTL_MM_UNLOCK, drm_mm_unlock_ioctl, ++ DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), ++ ++ DRM_IOCTL_DEF(DRM_IOCTL_FENCE_CREATE, drm_fence_create_ioctl, DRM_AUTH), ++ DRM_IOCTL_DEF(DRM_IOCTL_FENCE_REFERENCE, drm_fence_reference_ioctl, DRM_AUTH), ++ DRM_IOCTL_DEF(DRM_IOCTL_FENCE_UNREFERENCE, drm_fence_unreference_ioctl, DRM_AUTH), ++ DRM_IOCTL_DEF(DRM_IOCTL_FENCE_SIGNALED, drm_fence_signaled_ioctl, DRM_AUTH), ++ DRM_IOCTL_DEF(DRM_IOCTL_FENCE_FLUSH, drm_fence_flush_ioctl, DRM_AUTH), ++ DRM_IOCTL_DEF(DRM_IOCTL_FENCE_WAIT, drm_fence_wait_ioctl, DRM_AUTH), ++ DRM_IOCTL_DEF(DRM_IOCTL_FENCE_EMIT, drm_fence_emit_ioctl, DRM_AUTH), ++ DRM_IOCTL_DEF(DRM_IOCTL_FENCE_BUFFERS, drm_fence_buffers_ioctl, DRM_AUTH), ++ ++ DRM_IOCTL_DEF(DRM_IOCTL_BO_CREATE, drm_bo_create_ioctl, DRM_AUTH), ++ DRM_IOCTL_DEF(DRM_IOCTL_BO_MAP, drm_bo_map_ioctl, DRM_AUTH), ++ DRM_IOCTL_DEF(DRM_IOCTL_BO_UNMAP, drm_bo_unmap_ioctl, DRM_AUTH), ++ DRM_IOCTL_DEF(DRM_IOCTL_BO_REFERENCE, drm_bo_reference_ioctl, DRM_AUTH), ++ DRM_IOCTL_DEF(DRM_IOCTL_BO_UNREFERENCE, drm_bo_unreference_ioctl, DRM_AUTH), ++ DRM_IOCTL_DEF(DRM_IOCTL_BO_SETSTATUS, drm_bo_setstatus_ioctl, DRM_AUTH), ++ DRM_IOCTL_DEF(DRM_IOCTL_BO_INFO, drm_bo_info_ioctl, DRM_AUTH), ++ DRM_IOCTL_DEF(DRM_IOCTL_BO_WAIT_IDLE, drm_bo_wait_idle_ioctl, DRM_AUTH), ++ DRM_IOCTL_DEF(DRM_IOCTL_BO_VERSION, drm_bo_version_ioctl, 0), + }; + + #define DRM_CORE_IOCTL_COUNT ARRAY_SIZE( drm_ioctls ) +@@ -317,6 +345,9 @@ + if (dev->driver->unload) + dev->driver->unload(dev); + ++ drm_bo_driver_finish(dev); ++ drm_fence_manager_takedown(dev); ++ + if (drm_core_has_AGP(dev) && dev->agp) { + drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); + dev->agp = NULL; +@@ -324,6 +355,8 @@ + + drm_ht_remove(&dev->map_hash); + drm_ctxbitmap_cleanup(dev); ++ drm_mm_takedown(&dev->offset_manager); ++ drm_ht_remove(&dev->object_hash); + + if (drm_core_check_feature(dev, DRIVER_MODESET)) + drm_put_minor(&dev->control); +@@ -336,6 +369,17 @@ + DRM_ERROR("Cannot unload module\n"); + } + ++void drm_cleanup_pci(struct pci_dev *pdev) ++{ ++ struct drm_device *dev = pci_get_drvdata(pdev); ++ ++ pci_set_drvdata(pdev, NULL); ++ pci_release_regions(pdev); ++ if (dev) ++ drm_cleanup(dev); ++} ++EXPORT_SYMBOL(drm_cleanup_pci); ++ + void drm_exit(struct drm_driver *driver) + { + struct drm_device *dev, *tmp; +Index: linux-2.6.28/drivers/gpu/drm/drm_fence.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/drm_fence.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,829 @@ ++/************************************************************************** ++ * ++ * Copyright (c) 2006-2007 Tungsten Graphics, Inc., Cedar Park, TX., USA ++ * All Rights Reserved. ++ * ++ * Permission is hereby granted, free of charge, to any person obtaining a ++ * copy of this software and associated documentation files (the ++ * "Software"), to deal in the Software without restriction, including ++ * without limitation the rights to use, copy, modify, merge, publish, ++ * distribute, sub license, and/or sell copies of the Software, and to ++ * permit persons to whom the Software is furnished to do so, subject to ++ * the following conditions: ++ * ++ * The above copyright notice and this permission notice (including the ++ * next paragraph) shall be included in all copies or substantial portions ++ * of the Software. ++ * ++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ++ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ++ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL ++ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, ++ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR ++ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE ++ * USE OR OTHER DEALINGS IN THE SOFTWARE. ++ * ++ **************************************************************************/ ++/* ++ * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com> ++ */ ++ ++#include "drmP.h" ++ ++ ++/* ++ * Convenience function to be called by fence::wait methods that ++ * need polling. ++ */ ++ ++int drm_fence_wait_polling(struct drm_fence_object *fence, int lazy, ++ int interruptible, uint32_t mask, ++ unsigned long end_jiffies) ++{ ++ struct drm_device *dev = fence->dev; ++ struct drm_fence_manager *fm = &dev->fm; ++ struct drm_fence_class_manager *fc = &fm->fence_class[fence->fence_class]; ++ uint32_t count = 0; ++ int ret; ++ ++ DECLARE_WAITQUEUE(entry, current); ++ add_wait_queue(&fc->fence_queue, &entry); ++ ++ ret = 0; ++ ++ for (;;) { ++ __set_current_state((interruptible) ? ++ TASK_INTERRUPTIBLE : ++ TASK_UNINTERRUPTIBLE); ++ if (drm_fence_object_signaled(fence, mask)) ++ break; ++ if (time_after_eq(jiffies, end_jiffies)) { ++ ret = -EBUSY; ++ break; ++ } ++ if (lazy) ++ schedule_timeout(1); ++ else if ((++count & 0x0F) == 0){ ++ __set_current_state(TASK_RUNNING); ++ schedule(); ++ __set_current_state((interruptible) ? ++ TASK_INTERRUPTIBLE : ++ TASK_UNINTERRUPTIBLE); ++ } ++ if (interruptible && signal_pending(current)) { ++ ret = -EAGAIN; ++ break; ++ } ++ } ++ __set_current_state(TASK_RUNNING); ++ remove_wait_queue(&fc->fence_queue, &entry); ++ return ret; ++} ++EXPORT_SYMBOL(drm_fence_wait_polling); ++ ++/* ++ * Typically called by the IRQ handler. ++ */ ++ ++void drm_fence_handler(struct drm_device *dev, uint32_t fence_class, ++ uint32_t sequence, uint32_t type, uint32_t error) ++{ ++ int wake = 0; ++ uint32_t diff; ++ uint32_t relevant_type; ++ uint32_t new_type; ++ struct drm_fence_manager *fm = &dev->fm; ++ struct drm_fence_class_manager *fc = &fm->fence_class[fence_class]; ++ struct drm_fence_driver *driver = dev->driver->fence_driver; ++ struct list_head *head; ++ struct drm_fence_object *fence, *next; ++ int found = 0; ++ ++ if (list_empty(&fc->ring)) ++ return; ++ ++ list_for_each_entry(fence, &fc->ring, ring) { ++ diff = (sequence - fence->sequence) & driver->sequence_mask; ++ if (diff > driver->wrap_diff) { ++ found = 1; ++ break; ++ } ++ } ++ ++ fc->waiting_types &= ~type; ++ head = (found) ? &fence->ring : &fc->ring; ++ ++ list_for_each_entry_safe_reverse(fence, next, head, ring) { ++ if (&fence->ring == &fc->ring) ++ break; ++ ++ if (error) { ++ fence->error = error; ++ fence->signaled_types = fence->type; ++ list_del_init(&fence->ring); ++ wake = 1; ++ break; ++ } ++ ++ if (type & DRM_FENCE_TYPE_EXE) ++ type |= fence->native_types; ++ ++ relevant_type = type & fence->type; ++ new_type = (fence->signaled_types | relevant_type) ^ ++ fence->signaled_types; ++ ++ if (new_type) { ++ fence->signaled_types |= new_type; ++ DRM_DEBUG("Fence 0x%08lx signaled 0x%08x\n", ++ fence->base.hash.key, fence->signaled_types); ++ ++ if (driver->needed_flush) ++ fc->pending_flush |= driver->needed_flush(fence); ++ ++ if (new_type & fence->waiting_types) ++ wake = 1; ++ } ++ ++ fc->waiting_types |= fence->waiting_types & ~fence->signaled_types; ++ ++ if (!(fence->type & ~fence->signaled_types)) { ++ DRM_DEBUG("Fence completely signaled 0x%08lx\n", ++ fence->base.hash.key); ++ list_del_init(&fence->ring); ++ } ++ } ++ ++ /* ++ * Reinstate lost waiting types. ++ */ ++ ++ if ((fc->waiting_types & type) != type) { ++ head = head->prev; ++ list_for_each_entry(fence, head, ring) { ++ if (&fence->ring == &fc->ring) ++ break; ++ diff = (fc->highest_waiting_sequence - fence->sequence) & ++ driver->sequence_mask; ++ if (diff > driver->wrap_diff) ++ break; ++ ++ fc->waiting_types |= fence->waiting_types & ~fence->signaled_types; ++ } ++ } ++ ++ if (wake) ++ wake_up_all(&fc->fence_queue); ++} ++EXPORT_SYMBOL(drm_fence_handler); ++ ++static void drm_fence_unring(struct drm_device *dev, struct list_head *ring) ++{ ++ struct drm_fence_manager *fm = &dev->fm; ++ unsigned long flags; ++ ++ write_lock_irqsave(&fm->lock, flags); ++ list_del_init(ring); ++ write_unlock_irqrestore(&fm->lock, flags); ++} ++ ++void drm_fence_usage_deref_locked(struct drm_fence_object **fence) ++{ ++ struct drm_fence_object *tmp_fence = *fence; ++ struct drm_device *dev = tmp_fence->dev; ++ struct drm_fence_manager *fm = &dev->fm; ++ ++ DRM_ASSERT_LOCKED(&dev->struct_mutex); ++ *fence = NULL; ++ if (atomic_dec_and_test(&tmp_fence->usage)) { ++ drm_fence_unring(dev, &tmp_fence->ring); ++ DRM_DEBUG("Destroyed a fence object 0x%08lx\n", ++ tmp_fence->base.hash.key); ++ atomic_dec(&fm->count); ++ BUG_ON(!list_empty(&tmp_fence->base.list)); ++ drm_free(tmp_fence, sizeof(*tmp_fence), DRM_MEM_FENCE); ++ } ++} ++EXPORT_SYMBOL(drm_fence_usage_deref_locked); ++ ++void drm_fence_usage_deref_unlocked(struct drm_fence_object **fence) ++{ ++ struct drm_fence_object *tmp_fence = *fence; ++ struct drm_device *dev = tmp_fence->dev; ++ struct drm_fence_manager *fm = &dev->fm; ++ ++ *fence = NULL; ++ if (atomic_dec_and_test(&tmp_fence->usage)) { ++ mutex_lock(&dev->struct_mutex); ++ if (atomic_read(&tmp_fence->usage) == 0) { ++ drm_fence_unring(dev, &tmp_fence->ring); ++ atomic_dec(&fm->count); ++ BUG_ON(!list_empty(&tmp_fence->base.list)); ++ drm_free(tmp_fence, sizeof(*tmp_fence), DRM_MEM_FENCE); ++ } ++ mutex_unlock(&dev->struct_mutex); ++ } ++} ++EXPORT_SYMBOL(drm_fence_usage_deref_unlocked); ++ ++struct drm_fence_object ++*drm_fence_reference_locked(struct drm_fence_object *src) ++{ ++ DRM_ASSERT_LOCKED(&src->dev->struct_mutex); ++ ++ atomic_inc(&src->usage); ++ return src; ++} ++ ++void drm_fence_reference_unlocked(struct drm_fence_object **dst, ++ struct drm_fence_object *src) ++{ ++ mutex_lock(&src->dev->struct_mutex); ++ *dst = src; ++ atomic_inc(&src->usage); ++ mutex_unlock(&src->dev->struct_mutex); ++} ++EXPORT_SYMBOL(drm_fence_reference_unlocked); ++ ++static void drm_fence_object_destroy(struct drm_file *priv, ++ struct drm_user_object *base) ++{ ++ struct drm_fence_object *fence = ++ drm_user_object_entry(base, struct drm_fence_object, base); ++ ++ drm_fence_usage_deref_locked(&fence); ++} ++ ++int drm_fence_object_signaled(struct drm_fence_object *fence, uint32_t mask) ++{ ++ unsigned long flags; ++ int signaled; ++ struct drm_device *dev = fence->dev; ++ struct drm_fence_manager *fm = &dev->fm; ++ struct drm_fence_driver *driver = dev->driver->fence_driver; ++ ++ mask &= fence->type; ++ read_lock_irqsave(&fm->lock, flags); ++ signaled = (mask & fence->signaled_types) == mask; ++ read_unlock_irqrestore(&fm->lock, flags); ++ if (!signaled && driver->poll) { ++ write_lock_irqsave(&fm->lock, flags); ++ driver->poll(dev, fence->fence_class, mask); ++ signaled = (mask & fence->signaled_types) == mask; ++ write_unlock_irqrestore(&fm->lock, flags); ++ } ++ return signaled; ++} ++EXPORT_SYMBOL(drm_fence_object_signaled); ++ ++ ++int drm_fence_object_flush(struct drm_fence_object *fence, ++ uint32_t type) ++{ ++ struct drm_device *dev = fence->dev; ++ struct drm_fence_manager *fm = &dev->fm; ++ struct drm_fence_class_manager *fc = &fm->fence_class[fence->fence_class]; ++ struct drm_fence_driver *driver = dev->driver->fence_driver; ++ unsigned long irq_flags; ++ uint32_t saved_pending_flush; ++ uint32_t diff; ++ int call_flush; ++ ++ if (type & ~fence->type) { ++ DRM_ERROR("Flush trying to extend fence type, " ++ "0x%x, 0x%x\n", type, fence->type); ++ return -EINVAL; ++ } ++ ++ write_lock_irqsave(&fm->lock, irq_flags); ++ fence->waiting_types |= type; ++ fc->waiting_types |= fence->waiting_types; ++ diff = (fence->sequence - fc->highest_waiting_sequence) & ++ driver->sequence_mask; ++ ++ if (diff < driver->wrap_diff) ++ fc->highest_waiting_sequence = fence->sequence; ++ ++ /* ++ * fence->waiting_types has changed. Determine whether ++ * we need to initiate some kind of flush as a result of this. ++ */ ++ ++ saved_pending_flush = fc->pending_flush; ++ if (driver->needed_flush) ++ fc->pending_flush |= driver->needed_flush(fence); ++ ++ if (driver->poll) ++ driver->poll(dev, fence->fence_class, fence->waiting_types); ++ ++ call_flush = fc->pending_flush; ++ write_unlock_irqrestore(&fm->lock, irq_flags); ++ ++ if (call_flush && driver->flush) ++ driver->flush(dev, fence->fence_class); ++ ++ return 0; ++} ++EXPORT_SYMBOL(drm_fence_object_flush); ++ ++/* ++ * Make sure old fence objects are signaled before their fence sequences are ++ * wrapped around and reused. ++ */ ++ ++void drm_fence_flush_old(struct drm_device *dev, uint32_t fence_class, ++ uint32_t sequence) ++{ ++ struct drm_fence_manager *fm = &dev->fm; ++ struct drm_fence_class_manager *fc = &fm->fence_class[fence_class]; ++ struct drm_fence_object *fence; ++ unsigned long irq_flags; ++ struct drm_fence_driver *driver = dev->driver->fence_driver; ++ int call_flush; ++ ++ uint32_t diff; ++ ++ write_lock_irqsave(&fm->lock, irq_flags); ++ ++ list_for_each_entry_reverse(fence, &fc->ring, ring) { ++ diff = (sequence - fence->sequence) & driver->sequence_mask; ++ if (diff <= driver->flush_diff) ++ break; ++ ++ fence->waiting_types = fence->type; ++ fc->waiting_types |= fence->type; ++ ++ if (driver->needed_flush) ++ fc->pending_flush |= driver->needed_flush(fence); ++ } ++ ++ if (driver->poll) ++ driver->poll(dev, fence_class, fc->waiting_types); ++ ++ call_flush = fc->pending_flush; ++ write_unlock_irqrestore(&fm->lock, irq_flags); ++ ++ if (call_flush && driver->flush) ++ driver->flush(dev, fence->fence_class); ++ ++ /* ++ * FIXME: Shold we implement a wait here for really old fences? ++ */ ++ ++} ++EXPORT_SYMBOL(drm_fence_flush_old); ++ ++int drm_fence_object_wait(struct drm_fence_object *fence, ++ int lazy, int ignore_signals, uint32_t mask) ++{ ++ struct drm_device *dev = fence->dev; ++ struct drm_fence_driver *driver = dev->driver->fence_driver; ++ struct drm_fence_manager *fm = &dev->fm; ++ struct drm_fence_class_manager *fc = &fm->fence_class[fence->fence_class]; ++ int ret = 0; ++ unsigned long _end = 3 * DRM_HZ; ++ ++ if (mask & ~fence->type) { ++ DRM_ERROR("Wait trying to extend fence type" ++ " 0x%08x 0x%08x\n", mask, fence->type); ++ BUG(); ++ return -EINVAL; ++ } ++ ++ if (driver->wait) ++ return driver->wait(fence, lazy, !ignore_signals, mask); ++ ++ ++ drm_fence_object_flush(fence, mask); ++ if (driver->has_irq(dev, fence->fence_class, mask)) { ++ if (!ignore_signals) ++ ret = wait_event_interruptible_timeout ++ (fc->fence_queue, ++ drm_fence_object_signaled(fence, mask), ++ 3 * DRM_HZ); ++ else ++ ret = wait_event_timeout ++ (fc->fence_queue, ++ drm_fence_object_signaled(fence, mask), ++ 3 * DRM_HZ); ++ ++ if (unlikely(ret == -ERESTARTSYS)) ++ return -EAGAIN; ++ ++ if (unlikely(ret == 0)) ++ return -EBUSY; ++ ++ return 0; ++ } ++ ++ return drm_fence_wait_polling(fence, lazy, !ignore_signals, mask, ++ _end); ++} ++EXPORT_SYMBOL(drm_fence_object_wait); ++ ++ ++ ++int drm_fence_object_emit(struct drm_fence_object *fence, uint32_t fence_flags, ++ uint32_t fence_class, uint32_t type) ++{ ++ struct drm_device *dev = fence->dev; ++ struct drm_fence_manager *fm = &dev->fm; ++ struct drm_fence_driver *driver = dev->driver->fence_driver; ++ struct drm_fence_class_manager *fc = &fm->fence_class[fence->fence_class]; ++ unsigned long flags; ++ uint32_t sequence; ++ uint32_t native_types; ++ int ret; ++ ++ drm_fence_unring(dev, &fence->ring); ++ ret = driver->emit(dev, fence_class, fence_flags, &sequence, ++ &native_types); ++ if (ret) ++ return ret; ++ ++ write_lock_irqsave(&fm->lock, flags); ++ fence->fence_class = fence_class; ++ fence->type = type; ++ fence->waiting_types = 0; ++ fence->signaled_types = 0; ++ fence->error = 0; ++ fence->sequence = sequence; ++ fence->native_types = native_types; ++ if (list_empty(&fc->ring)) ++ fc->highest_waiting_sequence = sequence - 1; ++ list_add_tail(&fence->ring, &fc->ring); ++ fc->latest_queued_sequence = sequence; ++ write_unlock_irqrestore(&fm->lock, flags); ++ return 0; ++} ++EXPORT_SYMBOL(drm_fence_object_emit); ++ ++static int drm_fence_object_init(struct drm_device *dev, uint32_t fence_class, ++ uint32_t type, ++ uint32_t fence_flags, ++ struct drm_fence_object *fence) ++{ ++ int ret = 0; ++ unsigned long flags; ++ struct drm_fence_manager *fm = &dev->fm; ++ ++ mutex_lock(&dev->struct_mutex); ++ atomic_set(&fence->usage, 1); ++ mutex_unlock(&dev->struct_mutex); ++ ++ write_lock_irqsave(&fm->lock, flags); ++ INIT_LIST_HEAD(&fence->ring); ++ ++ /* ++ * Avoid hitting BUG() for kernel-only fence objects. ++ */ ++ ++ INIT_LIST_HEAD(&fence->base.list); ++ fence->fence_class = fence_class; ++ fence->type = type; ++ fence->signaled_types = 0; ++ fence->waiting_types = 0; ++ fence->sequence = 0; ++ fence->error = 0; ++ fence->dev = dev; ++ write_unlock_irqrestore(&fm->lock, flags); ++ if (fence_flags & DRM_FENCE_FLAG_EMIT) { ++ ret = drm_fence_object_emit(fence, fence_flags, ++ fence->fence_class, type); ++ } ++ return ret; ++} ++ ++int drm_fence_add_user_object(struct drm_file *priv, ++ struct drm_fence_object *fence, int shareable) ++{ ++ struct drm_device *dev = priv->minor->dev; ++ int ret; ++ ++ mutex_lock(&dev->struct_mutex); ++ ret = drm_add_user_object(priv, &fence->base, shareable); ++ if (ret) ++ goto out; ++ atomic_inc(&fence->usage); ++ fence->base.type = drm_fence_type; ++ fence->base.remove = &drm_fence_object_destroy; ++ DRM_DEBUG("Fence 0x%08lx created\n", fence->base.hash.key); ++out: ++ mutex_unlock(&dev->struct_mutex); ++ return ret; ++} ++EXPORT_SYMBOL(drm_fence_add_user_object); ++ ++int drm_fence_object_create(struct drm_device *dev, uint32_t fence_class, ++ uint32_t type, unsigned flags, ++ struct drm_fence_object **c_fence) ++{ ++ struct drm_fence_object *fence; ++ int ret; ++ struct drm_fence_manager *fm = &dev->fm; ++ ++ fence = drm_calloc(1, sizeof(*fence), DRM_MEM_FENCE); ++ if (!fence) { ++ DRM_INFO("Out of memory creating fence object.\n"); ++ return -ENOMEM; ++ } ++ ret = drm_fence_object_init(dev, fence_class, type, flags, fence); ++ if (ret) { ++ drm_fence_usage_deref_unlocked(&fence); ++ return ret; ++ } ++ *c_fence = fence; ++ atomic_inc(&fm->count); ++ ++ return 0; ++} ++EXPORT_SYMBOL(drm_fence_object_create); ++ ++void drm_fence_manager_init(struct drm_device *dev) ++{ ++ struct drm_fence_manager *fm = &dev->fm; ++ struct drm_fence_class_manager *fence_class; ++ struct drm_fence_driver *fed = dev->driver->fence_driver; ++ int i; ++ unsigned long flags; ++ ++ rwlock_init(&fm->lock); ++ write_lock_irqsave(&fm->lock, flags); ++ fm->initialized = 0; ++ if (!fed) ++ goto out_unlock; ++ ++ fm->initialized = 1; ++ fm->num_classes = fed->num_classes; ++ BUG_ON(fm->num_classes > _DRM_FENCE_CLASSES); ++ ++ for (i = 0; i < fm->num_classes; ++i) { ++ fence_class = &fm->fence_class[i]; ++ ++ memset(fence_class, 0, sizeof(*fence_class)); ++ INIT_LIST_HEAD(&fence_class->ring); ++ DRM_INIT_WAITQUEUE(&fence_class->fence_queue); ++ } ++ ++ atomic_set(&fm->count, 0); ++ out_unlock: ++ write_unlock_irqrestore(&fm->lock, flags); ++} ++ ++void drm_fence_fill_arg(struct drm_fence_object *fence, ++ struct drm_fence_arg *arg) ++{ ++ struct drm_device *dev = fence->dev; ++ struct drm_fence_manager *fm = &dev->fm; ++ unsigned long irq_flags; ++ ++ read_lock_irqsave(&fm->lock, irq_flags); ++ arg->handle = fence->base.hash.key; ++ arg->fence_class = fence->fence_class; ++ arg->type = fence->type; ++ arg->signaled = fence->signaled_types; ++ arg->error = fence->error; ++ arg->sequence = fence->sequence; ++ read_unlock_irqrestore(&fm->lock, irq_flags); ++} ++EXPORT_SYMBOL(drm_fence_fill_arg); ++ ++void drm_fence_manager_takedown(struct drm_device *dev) ++{ ++} ++ ++struct drm_fence_object *drm_lookup_fence_object(struct drm_file *priv, ++ uint32_t handle) ++{ ++ struct drm_device *dev = priv->minor->dev; ++ struct drm_user_object *uo; ++ struct drm_fence_object *fence; ++ ++ mutex_lock(&dev->struct_mutex); ++ uo = drm_lookup_user_object(priv, handle); ++ if (!uo || (uo->type != drm_fence_type)) { ++ mutex_unlock(&dev->struct_mutex); ++ return NULL; ++ } ++ fence = drm_fence_reference_locked(drm_user_object_entry(uo, struct drm_fence_object, base)); ++ mutex_unlock(&dev->struct_mutex); ++ return fence; ++} ++ ++int drm_fence_create_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) ++{ ++ int ret; ++ struct drm_fence_manager *fm = &dev->fm; ++ struct drm_fence_arg *arg = data; ++ struct drm_fence_object *fence; ++ ret = 0; ++ ++ if (!fm->initialized) { ++ DRM_ERROR("The DRM driver does not support fencing.\n"); ++ return -EINVAL; ++ } ++ ++ if (arg->flags & DRM_FENCE_FLAG_EMIT) ++ LOCK_TEST_WITH_RETURN(dev, file_priv); ++ ret = drm_fence_object_create(dev, arg->fence_class, ++ arg->type, arg->flags, &fence); ++ if (ret) ++ return ret; ++ ret = drm_fence_add_user_object(file_priv, fence, ++ arg->flags & ++ DRM_FENCE_FLAG_SHAREABLE); ++ if (ret) { ++ drm_fence_usage_deref_unlocked(&fence); ++ return ret; ++ } ++ ++ /* ++ * usage > 0. No need to lock dev->struct_mutex; ++ */ ++ ++ arg->handle = fence->base.hash.key; ++ ++ drm_fence_fill_arg(fence, arg); ++ drm_fence_usage_deref_unlocked(&fence); ++ ++ return ret; ++} ++ ++int drm_fence_reference_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) ++{ ++ int ret; ++ struct drm_fence_manager *fm = &dev->fm; ++ struct drm_fence_arg *arg = data; ++ struct drm_fence_object *fence; ++ struct drm_user_object *uo; ++ ret = 0; ++ ++ if (!fm->initialized) { ++ DRM_ERROR("The DRM driver does not support fencing.\n"); ++ return -EINVAL; ++ } ++ ++ ret = drm_user_object_ref(file_priv, arg->handle, drm_fence_type, &uo); ++ if (ret) ++ return ret; ++ fence = drm_lookup_fence_object(file_priv, arg->handle); ++ drm_fence_fill_arg(fence, arg); ++ drm_fence_usage_deref_unlocked(&fence); ++ ++ return ret; ++} ++ ++ ++int drm_fence_unreference_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) ++{ ++ int ret; ++ struct drm_fence_manager *fm = &dev->fm; ++ struct drm_fence_arg *arg = data; ++ ret = 0; ++ ++ if (!fm->initialized) { ++ DRM_ERROR("The DRM driver does not support fencing.\n"); ++ return -EINVAL; ++ } ++ ++ return drm_user_object_unref(file_priv, arg->handle, drm_fence_type); ++} ++ ++int drm_fence_signaled_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) ++{ ++ int ret; ++ struct drm_fence_manager *fm = &dev->fm; ++ struct drm_fence_arg *arg = data; ++ struct drm_fence_object *fence; ++ ret = 0; ++ ++ if (!fm->initialized) { ++ DRM_ERROR("The DRM driver does not support fencing.\n"); ++ return -EINVAL; ++ } ++ ++ fence = drm_lookup_fence_object(file_priv, arg->handle); ++ if (!fence) ++ return -EINVAL; ++ ++ drm_fence_fill_arg(fence, arg); ++ drm_fence_usage_deref_unlocked(&fence); ++ ++ return ret; ++} ++ ++int drm_fence_flush_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) ++{ ++ int ret; ++ struct drm_fence_manager *fm = &dev->fm; ++ struct drm_fence_arg *arg = data; ++ struct drm_fence_object *fence; ++ ret = 0; ++ ++ if (!fm->initialized) { ++ DRM_ERROR("The DRM driver does not support fencing.\n"); ++ return -EINVAL; ++ } ++ ++ fence = drm_lookup_fence_object(file_priv, arg->handle); ++ if (!fence) ++ return -EINVAL; ++ ret = drm_fence_object_flush(fence, arg->type); ++ ++ drm_fence_fill_arg(fence, arg); ++ drm_fence_usage_deref_unlocked(&fence); ++ ++ return ret; ++} ++ ++ ++int drm_fence_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) ++{ ++ int ret; ++ struct drm_fence_manager *fm = &dev->fm; ++ struct drm_fence_arg *arg = data; ++ struct drm_fence_object *fence; ++ ret = 0; ++ ++ if (!fm->initialized) { ++ DRM_ERROR("The DRM driver does not support fencing.\n"); ++ return -EINVAL; ++ } ++ ++ fence = drm_lookup_fence_object(file_priv, arg->handle); ++ if (!fence) ++ return -EINVAL; ++ ret = drm_fence_object_wait(fence, ++ arg->flags & DRM_FENCE_FLAG_WAIT_LAZY, ++ 0, arg->type); ++ ++ drm_fence_fill_arg(fence, arg); ++ drm_fence_usage_deref_unlocked(&fence); ++ ++ return ret; ++} ++ ++ ++int drm_fence_emit_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) ++{ ++ int ret; ++ struct drm_fence_manager *fm = &dev->fm; ++ struct drm_fence_arg *arg = data; ++ struct drm_fence_object *fence; ++ ret = 0; ++ ++ if (!fm->initialized) { ++ DRM_ERROR("The DRM driver does not support fencing.\n"); ++ return -EINVAL; ++ } ++ ++ LOCK_TEST_WITH_RETURN(dev, file_priv); ++ fence = drm_lookup_fence_object(file_priv, arg->handle); ++ if (!fence) ++ return -EINVAL; ++ ret = drm_fence_object_emit(fence, arg->flags, arg->fence_class, ++ arg->type); ++ ++ drm_fence_fill_arg(fence, arg); ++ drm_fence_usage_deref_unlocked(&fence); ++ ++ return ret; ++} ++ ++int drm_fence_buffers_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) ++{ ++ int ret; ++ struct drm_fence_manager *fm = &dev->fm; ++ struct drm_fence_arg *arg = data; ++ struct drm_fence_object *fence; ++ ret = 0; ++ ++ if (!fm->initialized) { ++ DRM_ERROR("The DRM driver does not support fencing.\n"); ++ return -EINVAL; ++ } ++ ++ if (!dev->bm.initialized) { ++ DRM_ERROR("Buffer object manager is not initialized\n"); ++ return -EINVAL; ++ } ++ LOCK_TEST_WITH_RETURN(dev, file_priv); ++ ret = drm_fence_buffer_objects(dev, NULL, arg->flags, ++ NULL, &fence); ++ if (ret) ++ return ret; ++ ++ if (!(arg->flags & DRM_FENCE_FLAG_NO_USER)) { ++ ret = drm_fence_add_user_object(file_priv, fence, ++ arg->flags & ++ DRM_FENCE_FLAG_SHAREABLE); ++ if (ret) ++ return ret; ++ } ++ ++ arg->handle = fence->base.hash.key; ++ ++ drm_fence_fill_arg(fence, arg); ++ drm_fence_usage_deref_unlocked(&fence); ++ ++ return ret; ++} +Index: linux-2.6.28/drivers/gpu/drm/drm_fops.c +=================================================================== +--- linux-2.6.28.orig/drivers/gpu/drm/drm_fops.c 2009-02-20 12:22:53.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/drm_fops.c 2009-02-20 12:31:55.000000000 +0000 +@@ -1,3 +1,4 @@ ++ + /** + * \file drm_fops.c + * File operations for DRM +@@ -232,6 +233,7 @@ + int minor_id = iminor(inode); + struct drm_file *priv; + int ret; ++ int i, j; + + if (filp->f_flags & O_EXCL) + return -EBUSY; /* No exclusive opens */ +@@ -257,10 +259,24 @@ + + INIT_LIST_HEAD(&priv->lhead); + INIT_LIST_HEAD(&priv->fbs); ++ INIT_LIST_HEAD(&priv->refd_objects); + + if (dev->driver->driver_features & DRIVER_GEM) + drm_gem_open(dev, priv); + ++ for (i = 0; i < _DRM_NO_REF_TYPES; ++i) { ++ ret = drm_ht_create(&priv->refd_object_hash[i], ++ DRM_FILE_HASH_ORDER); ++ if (ret) ++ break; ++ } ++ ++ if (ret) { ++ for (j = 0; j < i; ++j) ++ drm_ht_remove(&priv->refd_object_hash[j]); ++ goto out_free; ++ } ++ + if (dev->driver->open) { + ret = dev->driver->open(dev, priv); + if (ret < 0) +Index: linux-2.6.28/drivers/gpu/drm/drm_irq.c +=================================================================== +--- linux-2.6.28.orig/drivers/gpu/drm/drm_irq.c 2009-02-20 12:22:53.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/drm_irq.c 2009-02-20 12:23:06.000000000 +0000 +@@ -124,6 +124,7 @@ + + dev->num_crtcs = 0; + } ++EXPORT_SYMBOL(drm_vblank_cleanup); + + int drm_vblank_init(struct drm_device *dev, int num_crtcs) + { +@@ -697,7 +698,7 @@ + * + * If a signal is not requested, then calls vblank_wait(). + */ +-static void drm_vbl_send_signals(struct drm_device *dev, int crtc) ++void drm_vbl_send_signals(struct drm_device *dev, int crtc) + { + struct drm_vbl_sig *vbl_sig, *tmp; + struct list_head *vbl_sigs; +@@ -726,6 +727,7 @@ + + spin_unlock_irqrestore(&dev->vbl_lock, flags); + } ++EXPORT_SYMBOL(drm_vbl_send_signals); + + /** + * drm_handle_vblank - handle a vblank event +Index: linux-2.6.28/drivers/gpu/drm/drm_object.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/drm_object.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,294 @@ ++/************************************************************************** ++ * ++ * Copyright (c) 2006-2007 Tungsten Graphics, Inc., Cedar Park, TX., USA ++ * All Rights Reserved. ++ * ++ * Permission is hereby granted, free of charge, to any person obtaining a ++ * copy of this software and associated documentation files (the ++ * "Software"), to deal in the Software without restriction, including ++ * without limitation the rights to use, copy, modify, merge, publish, ++ * distribute, sub license, and/or sell copies of the Software, and to ++ * permit persons to whom the Software is furnished to do so, subject to ++ * the following conditions: ++ * ++ * The above copyright notice and this permission notice (including the ++ * next paragraph) shall be included in all copies or substantial portions ++ * of the Software. ++ * ++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ++ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ++ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL ++ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, ++ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR ++ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE ++ * USE OR OTHER DEALINGS IN THE SOFTWARE. ++ * ++ **************************************************************************/ ++/* ++ * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com> ++ */ ++ ++#include "drmP.h" ++ ++int drm_add_user_object(struct drm_file *priv, struct drm_user_object *item, ++ int shareable) ++{ ++ struct drm_device *dev = priv->minor->dev; ++ int ret; ++ ++ DRM_ASSERT_LOCKED(&dev->struct_mutex); ++ ++ /* The refcount will be bumped to 1 when we add the ref object below. */ ++ atomic_set(&item->refcount, 0); ++ item->shareable = shareable; ++ item->owner = priv; ++ ++ ret = drm_ht_just_insert_please(&dev->object_hash, &item->hash, ++ (unsigned long)item, 32, 0, 0); ++ if (ret) ++ return ret; ++ ++ ret = drm_add_ref_object(priv, item, _DRM_REF_USE); ++ if (ret) ++ ret = drm_ht_remove_item(&dev->object_hash, &item->hash); ++ ++ return ret; ++} ++EXPORT_SYMBOL(drm_add_user_object); ++ ++struct drm_user_object *drm_lookup_user_object(struct drm_file *priv, uint32_t key) ++{ ++ struct drm_device *dev = priv->minor->dev; ++ struct drm_hash_item *hash; ++ int ret; ++ struct drm_user_object *item; ++ ++ DRM_ASSERT_LOCKED(&dev->struct_mutex); ++ ++ ret = drm_ht_find_item(&dev->object_hash, key, &hash); ++ if (ret) ++ return NULL; ++ ++ item = drm_hash_entry(hash, struct drm_user_object, hash); ++ ++ if (priv != item->owner) { ++ struct drm_open_hash *ht = &priv->refd_object_hash[_DRM_REF_USE]; ++ ret = drm_ht_find_item(ht, (unsigned long)item, &hash); ++ if (ret) { ++ DRM_ERROR("Object not registered for usage\n"); ++ return NULL; ++ } ++ } ++ return item; ++} ++EXPORT_SYMBOL(drm_lookup_user_object); ++ ++static void drm_deref_user_object(struct drm_file *priv, struct drm_user_object *item) ++{ ++ struct drm_device *dev = priv->minor->dev; ++ int ret; ++ ++ if (atomic_dec_and_test(&item->refcount)) { ++ ret = drm_ht_remove_item(&dev->object_hash, &item->hash); ++ BUG_ON(ret); ++ item->remove(priv, item); ++ } ++} ++ ++static int drm_object_ref_action(struct drm_file *priv, struct drm_user_object *ro, ++ enum drm_ref_type action) ++{ ++ int ret = 0; ++ ++ switch (action) { ++ case _DRM_REF_USE: ++ atomic_inc(&ro->refcount); ++ break; ++ default: ++ if (!ro->ref_struct_locked) { ++ break; ++ } else { ++ ro->ref_struct_locked(priv, ro, action); ++ } ++ } ++ return ret; ++} ++ ++int drm_add_ref_object(struct drm_file *priv, struct drm_user_object *referenced_object, ++ enum drm_ref_type ref_action) ++{ ++ int ret = 0; ++ struct drm_ref_object *item; ++ struct drm_open_hash *ht = &priv->refd_object_hash[ref_action]; ++ ++ DRM_ASSERT_LOCKED(&priv->minor->dev->struct_mutex); ++ if (!referenced_object->shareable && priv != referenced_object->owner) { ++ DRM_ERROR("Not allowed to reference this object\n"); ++ return -EINVAL; ++ } ++ ++ /* ++ * If this is not a usage reference, Check that usage has been registered ++ * first. Otherwise strange things may happen on destruction. ++ */ ++ ++ if ((ref_action != _DRM_REF_USE) && priv != referenced_object->owner) { ++ item = ++ drm_lookup_ref_object(priv, referenced_object, ++ _DRM_REF_USE); ++ if (!item) { ++ DRM_ERROR ++ ("Object not registered for usage by this client\n"); ++ return -EINVAL; ++ } ++ } ++ ++ if (NULL != ++ (item = ++ drm_lookup_ref_object(priv, referenced_object, ref_action))) { ++ atomic_inc(&item->refcount); ++ return drm_object_ref_action(priv, referenced_object, ++ ref_action); ++ } ++ ++ item = drm_calloc(1, sizeof(*item), DRM_MEM_OBJECTS); ++ if (item == NULL) { ++ DRM_ERROR("Could not allocate reference object\n"); ++ return -ENOMEM; ++ } ++ ++ atomic_set(&item->refcount, 1); ++ item->hash.key = (unsigned long)referenced_object; ++ ret = drm_ht_insert_item(ht, &item->hash); ++ item->unref_action = ref_action; ++ ++ if (ret) ++ goto out; ++ ++ list_add(&item->list, &priv->refd_objects); ++ ret = drm_object_ref_action(priv, referenced_object, ref_action); ++out: ++ return ret; ++} ++ ++struct drm_ref_object *drm_lookup_ref_object(struct drm_file *priv, ++ struct drm_user_object *referenced_object, ++ enum drm_ref_type ref_action) ++{ ++ struct drm_hash_item *hash; ++ int ret; ++ ++ DRM_ASSERT_LOCKED(&priv->minor->dev->struct_mutex); ++ ret = drm_ht_find_item(&priv->refd_object_hash[ref_action], ++ (unsigned long)referenced_object, &hash); ++ if (ret) ++ return NULL; ++ ++ return drm_hash_entry(hash, struct drm_ref_object, hash); ++} ++EXPORT_SYMBOL(drm_lookup_ref_object); ++ ++static void drm_remove_other_references(struct drm_file *priv, ++ struct drm_user_object *ro) ++{ ++ int i; ++ struct drm_open_hash *ht; ++ struct drm_hash_item *hash; ++ struct drm_ref_object *item; ++ ++ for (i = _DRM_REF_USE + 1; i < _DRM_NO_REF_TYPES; ++i) { ++ ht = &priv->refd_object_hash[i]; ++ while (!drm_ht_find_item(ht, (unsigned long)ro, &hash)) { ++ item = drm_hash_entry(hash, struct drm_ref_object, hash); ++ drm_remove_ref_object(priv, item); ++ } ++ } ++} ++ ++void drm_remove_ref_object(struct drm_file *priv, struct drm_ref_object *item) ++{ ++ int ret; ++ struct drm_user_object *user_object = (struct drm_user_object *) item->hash.key; ++ struct drm_open_hash *ht = &priv->refd_object_hash[item->unref_action]; ++ enum drm_ref_type unref_action; ++ ++ DRM_ASSERT_LOCKED(&priv->minor->dev->struct_mutex); ++ unref_action = item->unref_action; ++ if (atomic_dec_and_test(&item->refcount)) { ++ ret = drm_ht_remove_item(ht, &item->hash); ++ BUG_ON(ret); ++ list_del_init(&item->list); ++ if (unref_action == _DRM_REF_USE) ++ drm_remove_other_references(priv, user_object); ++ drm_free(item, sizeof(*item), DRM_MEM_OBJECTS); ++ } ++ ++ switch (unref_action) { ++ case _DRM_REF_USE: ++ drm_deref_user_object(priv, user_object); ++ break; ++ default: ++ BUG_ON(!user_object->unref); ++ user_object->unref(priv, user_object, unref_action); ++ break; ++ } ++ ++} ++EXPORT_SYMBOL(drm_remove_ref_object); ++ ++int drm_user_object_ref(struct drm_file *priv, uint32_t user_token, ++ enum drm_object_type type, struct drm_user_object **object) ++{ ++ struct drm_device *dev = priv->minor->dev; ++ struct drm_user_object *uo; ++ struct drm_hash_item *hash; ++ int ret; ++ ++ mutex_lock(&dev->struct_mutex); ++ ret = drm_ht_find_item(&dev->object_hash, user_token, &hash); ++ if (ret) { ++ DRM_ERROR("Could not find user object to reference.\n"); ++ goto out_err; ++ } ++ uo = drm_hash_entry(hash, struct drm_user_object, hash); ++ if (uo->type != type) { ++ ret = -EINVAL; ++ goto out_err; ++ } ++ ret = drm_add_ref_object(priv, uo, _DRM_REF_USE); ++ if (ret) ++ goto out_err; ++ mutex_unlock(&dev->struct_mutex); ++ *object = uo; ++ return 0; ++out_err: ++ mutex_unlock(&dev->struct_mutex); ++ return ret; ++} ++ ++int drm_user_object_unref(struct drm_file *priv, uint32_t user_token, ++ enum drm_object_type type) ++{ ++ struct drm_device *dev = priv->minor->dev; ++ struct drm_user_object *uo; ++ struct drm_ref_object *ro; ++ int ret; ++ ++ mutex_lock(&dev->struct_mutex); ++ uo = drm_lookup_user_object(priv, user_token); ++ if (!uo || (uo->type != type)) { ++ ret = -EINVAL; ++ goto out_err; ++ } ++ ro = drm_lookup_ref_object(priv, uo, _DRM_REF_USE); ++ if (!ro) { ++ ret = -EINVAL; ++ goto out_err; ++ } ++ drm_remove_ref_object(priv, ro); ++ mutex_unlock(&dev->struct_mutex); ++ return 0; ++out_err: ++ mutex_unlock(&dev->struct_mutex); ++ return ret; ++} +Index: linux-2.6.28/drivers/gpu/drm/drm_regman.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/drm_regman.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,200 @@ ++/************************************************************************** ++ * Copyright (c) 2007 Tungsten Graphics, Inc., Cedar Park, TX., USA ++ * All Rights Reserved. ++ * ++ * Permission is hereby granted, free of charge, to any person obtaining a ++ * copy of this software and associated documentation files (the ++ * "Software"), to deal in the Software without restriction, including ++ * without limitation the rights to use, copy, modify, merge, publish, ++ * distribute, sub license, and/or sell copies of the Software, and to ++ * permit persons to whom the Software is furnished to do so, subject to ++ * the following conditions: ++ * ++ * The above copyright notice and this permission notice (including the ++ * next paragraph) shall be included in all copies or substantial portions ++ * of the Software. ++ * ++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ++ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ++ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL ++ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, ++ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR ++ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE ++ * USE OR OTHER DEALINGS IN THE SOFTWARE. ++ * ++ **************************************************************************/ ++/* ++ * An allocate-fence manager implementation intended for sets of base-registers ++ * or tiling-registers. ++ */ ++ ++#include "drmP.h" ++ ++/* ++ * Allocate a compatible register and put it on the unfenced list. ++ */ ++ ++int drm_regs_alloc(struct drm_reg_manager *manager, ++ const void *data, ++ uint32_t fence_class, ++ uint32_t fence_type, ++ int interruptible, int no_wait, struct drm_reg **reg) ++{ ++ struct drm_reg *entry, *next_entry; ++ int ret; ++ ++ *reg = NULL; ++ ++ /* ++ * Search the unfenced list. ++ */ ++ ++ list_for_each_entry(entry, &manager->unfenced, head) { ++ if (manager->reg_reusable(entry, data)) { ++ entry->new_fence_type |= fence_type; ++ goto out; ++ } ++ } ++ ++ /* ++ * Search the lru list. ++ */ ++ ++ list_for_each_entry_safe(entry, next_entry, &manager->lru, head) { ++ struct drm_fence_object *fence = entry->fence; ++ if (fence->fence_class == fence_class && ++ (entry->fence_type & fence_type) == entry->fence_type && ++ manager->reg_reusable(entry, data)) { ++ list_del(&entry->head); ++ entry->new_fence_type = fence_type; ++ list_add_tail(&entry->head, &manager->unfenced); ++ goto out; ++ } ++ } ++ ++ /* ++ * Search the free list. ++ */ ++ ++ list_for_each_entry(entry, &manager->free, head) { ++ list_del(&entry->head); ++ entry->new_fence_type = fence_type; ++ list_add_tail(&entry->head, &manager->unfenced); ++ goto out; ++ } ++ ++ if (no_wait) ++ return -EBUSY; ++ ++ /* ++ * Go back to the lru list and try to expire fences. ++ */ ++ ++ list_for_each_entry_safe(entry, next_entry, &manager->lru, head) { ++ BUG_ON(!entry->fence); ++ ret = drm_fence_object_wait(entry->fence, 0, !interruptible, ++ entry->fence_type); ++ if (ret) ++ return ret; ++ ++ drm_fence_usage_deref_unlocked(&entry->fence); ++ list_del(&entry->head); ++ entry->new_fence_type = fence_type; ++ list_add_tail(&entry->head, &manager->unfenced); ++ goto out; ++ } ++ ++ /* ++ * Oops. All registers are used up :(. ++ */ ++ ++ return -EBUSY; ++out: ++ *reg = entry; ++ return 0; ++} ++EXPORT_SYMBOL(drm_regs_alloc); ++ ++void drm_regs_fence(struct drm_reg_manager *manager, ++ struct drm_fence_object *fence) ++{ ++ struct drm_reg *entry; ++ struct drm_reg *next_entry; ++ ++ if (!fence) { ++ ++ /* ++ * Old fence (if any) is still valid. ++ * Put back on free and lru lists. ++ */ ++ ++ list_for_each_entry_safe_reverse(entry, next_entry, ++ &manager->unfenced, head) { ++ list_del(&entry->head); ++ list_add(&entry->head, (entry->fence) ? ++ &manager->lru : &manager->free); ++ } ++ } else { ++ ++ /* ++ * Fence with a new fence and put on lru list. ++ */ ++ ++ list_for_each_entry_safe(entry, next_entry, &manager->unfenced, ++ head) { ++ list_del(&entry->head); ++ if (entry->fence) ++ drm_fence_usage_deref_unlocked(&entry->fence); ++ drm_fence_reference_unlocked(&entry->fence, fence); ++ ++ entry->fence_type = entry->new_fence_type; ++ BUG_ON((entry->fence_type & fence->type) != ++ entry->fence_type); ++ ++ list_add_tail(&entry->head, &manager->lru); ++ } ++ } ++} ++EXPORT_SYMBOL(drm_regs_fence); ++ ++void drm_regs_free(struct drm_reg_manager *manager) ++{ ++ struct drm_reg *entry; ++ struct drm_reg *next_entry; ++ ++ drm_regs_fence(manager, NULL); ++ ++ list_for_each_entry_safe(entry, next_entry, &manager->free, head) { ++ list_del(&entry->head); ++ manager->reg_destroy(entry); ++ } ++ ++ list_for_each_entry_safe(entry, next_entry, &manager->lru, head) { ++ ++ (void)drm_fence_object_wait(entry->fence, 1, 1, ++ entry->fence_type); ++ list_del(&entry->head); ++ drm_fence_usage_deref_unlocked(&entry->fence); ++ manager->reg_destroy(entry); ++ } ++} ++EXPORT_SYMBOL(drm_regs_free); ++ ++void drm_regs_add(struct drm_reg_manager *manager, struct drm_reg *reg) ++{ ++ reg->fence = NULL; ++ list_add_tail(®->head, &manager->free); ++} ++EXPORT_SYMBOL(drm_regs_add); ++ ++void drm_regs_init(struct drm_reg_manager *manager, ++ int (*reg_reusable) (const struct drm_reg *, const void *), ++ void (*reg_destroy) (struct drm_reg *)) ++{ ++ INIT_LIST_HEAD(&manager->free); ++ INIT_LIST_HEAD(&manager->lru); ++ INIT_LIST_HEAD(&manager->unfenced); ++ manager->reg_reusable = reg_reusable; ++ manager->reg_destroy = reg_destroy; ++} ++EXPORT_SYMBOL(drm_regs_init); +Index: linux-2.6.28/drivers/gpu/drm/drm_stub.c +=================================================================== +--- linux-2.6.28.orig/drivers/gpu/drm/drm_stub.c 2009-02-20 12:22:53.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/drm_stub.c 2009-02-20 12:33:16.000000000 +0000 +@@ -201,6 +201,7 @@ + init_timer(&dev->timer); + mutex_init(&dev->struct_mutex); + mutex_init(&dev->ctxlist_mutex); ++ mutex_init(&dev->bm.evict_mutex); + + idr_init(&dev->drw_idr); + +@@ -216,6 +217,18 @@ + return -ENOMEM; + } + ++ if (drm_mm_init(&dev->offset_manager, DRM_FILE_PAGE_OFFSET_START, ++ DRM_FILE_PAGE_OFFSET_SIZE)) { ++ drm_ht_remove(&dev->map_hash); ++ return -ENOMEM; ++ } ++ ++ if (drm_ht_create(&dev->object_hash, DRM_OBJECT_HASH_ORDER)) { ++ drm_ht_remove(&dev->map_hash); ++ drm_mm_takedown(&dev->offset_manager); ++ return -ENOMEM; ++ } ++ + /* the DRM has 6 basic counters */ + dev->counters = 6; + dev->types[0] = _DRM_STAT_LOCK; +@@ -261,6 +274,7 @@ + } + } + ++ drm_fence_manager_init(dev); + return 0; + + error_out_unreg: +@@ -409,6 +423,8 @@ + drm_free(dev, sizeof(*dev), DRM_MEM_STUB); + return ret; + } ++EXPORT_SYMBOL(drm_get_dev); ++ + + /** + * Put a device minor number. +Index: linux-2.6.28/drivers/gpu/drm/drm_ttm.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/drm_ttm.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,430 @@ ++/************************************************************************** ++ * ++ * Copyright (c) 2006-2007 Tungsten Graphics, Inc., Cedar Park, TX., USA ++ * All Rights Reserved. ++ * ++ * Permission is hereby granted, free of charge, to any person obtaining a ++ * copy of this software and associated documentation files (the ++ * "Software"), to deal in the Software without restriction, including ++ * without limitation the rights to use, copy, modify, merge, publish, ++ * distribute, sub license, and/or sell copies of the Software, and to ++ * permit persons to whom the Software is furnished to do so, subject to ++ * the following conditions: ++ * ++ * The above copyright notice and this permission notice (including the ++ * next paragraph) shall be included in all copies or substantial portions ++ * of the Software. ++ * ++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ++ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ++ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL ++ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, ++ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR ++ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE ++ * USE OR OTHER DEALINGS IN THE SOFTWARE. ++ * ++ **************************************************************************/ ++/* ++ * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com> ++ */ ++ ++#include "drmP.h" ++#include <asm/agp.h> ++ ++static void drm_ttm_ipi_handler(void *null) ++{ ++ flush_agp_cache(); ++} ++ ++void drm_ttm_cache_flush(void) ++{ ++ if (on_each_cpu(drm_ttm_ipi_handler, NULL, 1) != 0) ++ DRM_ERROR("Timed out waiting for drm cache flush.\n"); ++} ++EXPORT_SYMBOL(drm_ttm_cache_flush); ++ ++/* ++ * Use kmalloc if possible. Otherwise fall back to vmalloc. ++ */ ++ ++static void ttm_alloc_pages(struct drm_ttm *ttm) ++{ ++ unsigned long size = ttm->num_pages * sizeof(*ttm->pages); ++ ttm->pages = NULL; ++ ++ if (size <= PAGE_SIZE) ++ ttm->pages = drm_calloc(1, size, DRM_MEM_TTM); ++ ++ if (!ttm->pages) { ++ ttm->pages = vmalloc_user(size); ++ if (ttm->pages) ++ ttm->page_flags |= DRM_TTM_PAGE_VMALLOC; ++ } ++} ++ ++static void ttm_free_pages(struct drm_ttm *ttm) ++{ ++ unsigned long size = ttm->num_pages * sizeof(*ttm->pages); ++ ++ if (ttm->page_flags & DRM_TTM_PAGE_VMALLOC) { ++ vfree(ttm->pages); ++ ttm->page_flags &= ~DRM_TTM_PAGE_VMALLOC; ++ } else { ++ drm_free(ttm->pages, size, DRM_MEM_TTM); ++ } ++ ttm->pages = NULL; ++} ++ ++static struct page *drm_ttm_alloc_page(void) ++{ ++ struct page *page; ++ ++ page = alloc_page(GFP_KERNEL | __GFP_ZERO | GFP_DMA32); ++ if (!page) ++ return NULL; ++ return page; ++} ++ ++/* ++ * Change caching policy for the linear kernel map ++ * for range of pages in a ttm. ++ */ ++ ++static int drm_set_caching(struct drm_ttm *ttm, int noncached) ++{ ++ int i; ++ struct page **cur_page; ++ int do_tlbflush = 0; ++ ++ if ((ttm->page_flags & DRM_TTM_PAGE_UNCACHED) == noncached) ++ return 0; ++ ++ if (noncached) ++ drm_ttm_cache_flush(); ++ ++ for (i = 0; i < ttm->num_pages; ++i) { ++ cur_page = ttm->pages + i; ++ if (*cur_page) { ++ if (!PageHighMem(*cur_page)) { ++ if (noncached) { ++ map_page_into_agp(*cur_page); ++ } else { ++ unmap_page_from_agp(*cur_page); ++ } ++ do_tlbflush = 1; ++ } ++ } ++ } ++ //if (do_tlbflush) ++ // flush_agp_mappings(); ++ ++ DRM_FLAG_MASKED(ttm->page_flags, noncached, DRM_TTM_PAGE_UNCACHED); ++ ++ return 0; ++} ++ ++ ++static void drm_ttm_free_user_pages(struct drm_ttm *ttm) ++{ ++ int write; ++ int dirty; ++ struct page *page; ++ int i; ++ ++ BUG_ON(!(ttm->page_flags & DRM_TTM_PAGE_USER)); ++ write = ((ttm->page_flags & DRM_TTM_PAGE_USER_WRITE) != 0); ++ dirty = ((ttm->page_flags & DRM_TTM_PAGE_USER_DIRTY) != 0); ++ ++ for (i = 0; i < ttm->num_pages; ++i) { ++ page = ttm->pages[i]; ++ if (page == NULL) ++ continue; ++ ++ if (page == ttm->dummy_read_page) { ++ BUG_ON(write); ++ continue; ++ } ++ ++ if (write && dirty && !PageReserved(page)) ++ set_page_dirty_lock(page); ++ ++ ttm->pages[i] = NULL; ++ put_page(page); ++ } ++} ++ ++static void drm_ttm_free_alloced_pages(struct drm_ttm *ttm) ++{ ++ int i; ++ struct drm_buffer_manager *bm = &ttm->dev->bm; ++ struct page **cur_page; ++ ++ for (i = 0; i < ttm->num_pages; ++i) { ++ cur_page = ttm->pages + i; ++ if (*cur_page) { ++ if (page_count(*cur_page) != 1) ++ DRM_ERROR("Erroneous page count. Leaking pages.\n"); ++ if (page_mapped(*cur_page)) ++ DRM_ERROR("Erroneous map count. Leaking page mappings.\n"); ++ __free_page(*cur_page); ++ --bm->cur_pages; ++ } ++ } ++} ++ ++/* ++ * Free all resources associated with a ttm. ++ */ ++ ++int drm_destroy_ttm(struct drm_ttm *ttm) ++{ ++ struct drm_ttm_backend *be; ++ ++ if (!ttm) ++ return 0; ++ ++ be = ttm->be; ++ if (be) { ++ be->func->destroy(be); ++ ttm->be = NULL; ++ } ++ ++ if (ttm->pages) { ++ if (ttm->page_flags & DRM_TTM_PAGE_UNCACHED) ++ drm_set_caching(ttm, 0); ++ ++ if (ttm->page_flags & DRM_TTM_PAGE_USER) ++ drm_ttm_free_user_pages(ttm); ++ else ++ drm_ttm_free_alloced_pages(ttm); ++ ++ ttm_free_pages(ttm); ++ } ++ ++ return 0; ++} ++ ++struct page *drm_ttm_get_page(struct drm_ttm *ttm, int index) ++{ ++ struct page *p; ++ struct drm_buffer_manager *bm = &ttm->dev->bm; ++ ++ p = ttm->pages[index]; ++ if (!p) { ++ p = drm_ttm_alloc_page(); ++ if (!p) ++ return NULL; ++ ttm->pages[index] = p; ++ ++bm->cur_pages; ++ } ++ return p; ++} ++EXPORT_SYMBOL(drm_ttm_get_page); ++ ++int drm_ttm_set_user(struct drm_ttm *ttm, ++ struct task_struct *tsk, ++ int write, ++ unsigned long start, ++ unsigned long num_pages, ++ struct page *dummy_read_page) ++{ ++ struct mm_struct *mm = tsk->mm; ++ int ret; ++ int i; ++ ++ BUG_ON(num_pages != ttm->num_pages); ++ ++ ttm->dummy_read_page = dummy_read_page; ++ ttm->page_flags |= DRM_TTM_PAGE_USER | ++ ((write) ? DRM_TTM_PAGE_USER_WRITE : 0); ++ ++ ++ down_read(&mm->mmap_sem); ++ ret = get_user_pages(tsk, mm, start, num_pages, ++ write, 0, ttm->pages, NULL); ++ up_read(&mm->mmap_sem); ++ ++ if (ret != num_pages && write) { ++ drm_ttm_free_user_pages(ttm); ++ return -ENOMEM; ++ } ++ ++ for (i = 0; i < num_pages; ++i) { ++ if (ttm->pages[i] == NULL) ++ ttm->pages[i] = ttm->dummy_read_page; ++ } ++ ++ return 0; ++} ++ ++int drm_ttm_populate(struct drm_ttm *ttm) ++{ ++ struct page *page; ++ unsigned long i; ++ struct drm_ttm_backend *be; ++ ++ if (ttm->state != ttm_unpopulated) ++ return 0; ++ ++ be = ttm->be; ++ for (i = 0; i < ttm->num_pages; ++i) { ++ page = drm_ttm_get_page(ttm, i); ++ if (!page) ++ return -ENOMEM; ++ } ++ be->func->populate(be, ttm->num_pages, ttm->pages); ++ ttm->state = ttm_unbound; ++ return 0; ++} ++ ++static inline size_t drm_size_align(size_t size) ++{ ++ size_t tmpSize = 4; ++ if (size > PAGE_SIZE) ++ return PAGE_ALIGN(size); ++ while (tmpSize < size) ++ tmpSize <<= 1; ++ ++ return (size_t) tmpSize; ++} ++ ++/* ++ * Calculate the estimated pinned memory usage of a ttm. ++ */ ++ ++unsigned long drm_ttm_size(struct drm_device *dev, ++ unsigned long num_pages, ++ int user_bo) ++{ ++ struct drm_bo_driver *bo_driver = dev->driver->bo_driver; ++ unsigned long tmp; ++ ++ tmp = drm_size_align(sizeof(struct drm_ttm)) + ++ drm_size_align(num_pages * sizeof(struct page *)) + ++ ((user_bo) ? 0 : drm_size_align(num_pages * PAGE_SIZE)); ++ ++ if (bo_driver->backend_size) ++ tmp += bo_driver->backend_size(dev, num_pages); ++ else ++ tmp += drm_size_align(num_pages * sizeof(struct page *)) + ++ 3*drm_size_align(sizeof(struct drm_ttm_backend)); ++ return tmp; ++} ++ ++ ++/* ++ * Initialize a ttm. ++ */ ++ ++struct drm_ttm *drm_ttm_init(struct drm_device *dev, unsigned long size) ++{ ++ struct drm_bo_driver *bo_driver = dev->driver->bo_driver; ++ struct drm_ttm *ttm; ++ ++ if (!bo_driver) ++ return NULL; ++ ++ ttm = drm_calloc(1, sizeof(*ttm), DRM_MEM_TTM); ++ if (!ttm) ++ return NULL; ++ ++ ttm->dev = dev; ++ atomic_set(&ttm->vma_count, 0); ++ ++ ttm->destroy = 0; ++ ttm->num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; ++ ++ ttm->page_flags = 0; ++ ++ /* ++ * Account also for AGP module memory usage. ++ */ ++ ++ ttm_alloc_pages(ttm); ++ if (!ttm->pages) { ++ drm_destroy_ttm(ttm); ++ DRM_ERROR("Failed allocating page table\n"); ++ return NULL; ++ } ++ ttm->be = bo_driver->create_ttm_backend_entry(dev); ++ if (!ttm->be) { ++ drm_destroy_ttm(ttm); ++ DRM_ERROR("Failed creating ttm backend entry\n"); ++ return NULL; ++ } ++ ttm->state = ttm_unpopulated; ++ return ttm; ++} ++ ++/* ++ * Unbind a ttm region from the aperture. ++ */ ++ ++void drm_ttm_evict(struct drm_ttm *ttm) ++{ ++ struct drm_ttm_backend *be = ttm->be; ++ int ret; ++ ++ if (ttm->state == ttm_bound) { ++ ret = be->func->unbind(be); ++ BUG_ON(ret); ++ } ++ ++ ttm->state = ttm_evicted; ++} ++ ++void drm_ttm_fixup_caching(struct drm_ttm *ttm) ++{ ++ ++ if (ttm->state == ttm_evicted) { ++ struct drm_ttm_backend *be = ttm->be; ++ if (be->func->needs_ub_cache_adjust(be)) ++ drm_set_caching(ttm, 0); ++ ttm->state = ttm_unbound; ++ } ++} ++ ++void drm_ttm_unbind(struct drm_ttm *ttm) ++{ ++ if (ttm->state == ttm_bound) ++ drm_ttm_evict(ttm); ++ ++ drm_ttm_fixup_caching(ttm); ++} ++ ++int drm_bind_ttm(struct drm_ttm *ttm, struct drm_bo_mem_reg *bo_mem) ++{ ++ struct drm_bo_driver *bo_driver = ttm->dev->driver->bo_driver; ++ int ret = 0; ++ struct drm_ttm_backend *be; ++ ++ if (!ttm) ++ return -EINVAL; ++ if (ttm->state == ttm_bound) ++ return 0; ++ ++ be = ttm->be; ++ ++ ret = drm_ttm_populate(ttm); ++ if (ret) ++ return ret; ++ ++ if (ttm->state == ttm_unbound && !(bo_mem->flags & DRM_BO_FLAG_CACHED)) ++ drm_set_caching(ttm, DRM_TTM_PAGE_UNCACHED); ++ else if ((bo_mem->flags & DRM_BO_FLAG_CACHED_MAPPED) && ++ bo_driver->ttm_cache_flush) ++ bo_driver->ttm_cache_flush(ttm); ++ ++ ret = be->func->bind(be, bo_mem); ++ if (ret) { ++ ttm->state = ttm_evicted; ++ DRM_ERROR("Couldn't bind backend.\n"); ++ return ret; ++ } ++ ++ ttm->state = ttm_bound; ++ if (ttm->page_flags & DRM_TTM_PAGE_USER) ++ ttm->page_flags |= DRM_TTM_PAGE_USER_DIRTY; ++ return 0; ++} ++EXPORT_SYMBOL(drm_bind_ttm); +Index: linux-2.6.28/drivers/gpu/drm/drm_vm.c +=================================================================== +--- linux-2.6.28.orig/drivers/gpu/drm/drm_vm.c 2009-02-20 12:22:53.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/drm_vm.c 2009-02-20 12:23:06.000000000 +0000 +@@ -40,6 +40,10 @@ + + static void drm_vm_open(struct vm_area_struct *vma); + static void drm_vm_close(struct vm_area_struct *vma); ++static int drm_bo_mmap_locked(struct vm_area_struct *vma, ++ struct file *filp, ++ drm_local_map_t *map); ++ + + static pgprot_t drm_io_prot(uint32_t map_type, struct vm_area_struct *vma) + { +@@ -270,6 +274,9 @@ + case _DRM_GEM: + DRM_ERROR("tried to rmmap GEM object\n"); + break; ++ case _DRM_TTM: ++ BUG_ON(1); ++ break; + } + drm_free(map, sizeof(*map), DRM_MEM_MAPS); + } +@@ -650,6 +657,8 @@ + vma->vm_flags |= VM_RESERVED; + vma->vm_page_prot = drm_dma_prot(map->type, vma); + break; ++ case _DRM_TTM: ++ return drm_bo_mmap_locked(vma, filp, map); + default: + return -EINVAL; /* This should never happen. */ + } +@@ -674,3 +683,213 @@ + return ret; + } + EXPORT_SYMBOL(drm_mmap); ++ ++/** ++ * buffer object vm functions. ++ */ ++ ++/** ++ * \c Pagefault method for buffer objects. ++ * ++ * \param vma Virtual memory area. ++ * \param address File offset. ++ * \return Error or refault. The pfn is manually inserted. ++ * ++ * It's important that pfns are inserted while holding the bo->mutex lock. ++ * otherwise we might race with unmap_mapping_range() which is always ++ * called with the bo->mutex lock held. ++ * ++ * We're modifying the page attribute bits of the vma->vm_page_prot field, ++ * without holding the mmap_sem in write mode. Only in read mode. ++ * These bits are not used by the mm subsystem code, and we consider them ++ * protected by the bo->mutex lock. ++ */ ++ ++#define DRM_NOPFN_EXTRA 15 /* Fault 16 pages at a time in */ ++ ++int drm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) ++{ ++ struct drm_buffer_object *bo = (struct drm_buffer_object *) vma->vm_private_data; ++ unsigned long page_offset; ++ struct page *page = NULL; ++ struct drm_ttm *ttm = NULL; ++ struct drm_device *dev; ++ unsigned long pfn; ++ int err; ++ unsigned long bus_base; ++ unsigned long bus_offset; ++ unsigned long bus_size; ++ int i; ++ unsigned long ret = VM_FAULT_NOPAGE; ++ unsigned long address = (unsigned long)vmf->virtual_address; ++ ++ if (address > vma->vm_end) ++ return VM_FAULT_SIGBUS; ++ ++ dev = bo->dev; ++ err = drm_bo_read_lock(&dev->bm.bm_lock); ++ if (err) ++ return VM_FAULT_NOPAGE; ++ ++ err = mutex_lock_interruptible(&bo->mutex); ++ if (err) { ++ drm_bo_read_unlock(&dev->bm.bm_lock); ++ return VM_FAULT_NOPAGE; ++ } ++ ++ err = drm_bo_wait(bo, 0, 0, 0); ++ if (err) { ++ ret = (err != -EAGAIN) ? VM_FAULT_SIGBUS : VM_FAULT_NOPAGE; ++ goto out_unlock; ++ } ++ ++ /* ++ * If buffer happens to be in a non-mappable location, ++ * move it to a mappable. ++ */ ++ ++ if (!(bo->mem.flags & DRM_BO_FLAG_MAPPABLE)) { ++ uint32_t new_mask = bo->mem.mask | ++ DRM_BO_FLAG_MAPPABLE | ++ DRM_BO_FLAG_FORCE_MAPPABLE; ++ err = drm_bo_move_buffer(bo, new_mask, 0, 0); ++ if (err) { ++ ret = (err != -EAGAIN) ? VM_FAULT_SIGBUS : VM_FAULT_NOPAGE; ++ goto out_unlock; ++ } ++ } ++ ++ err = drm_bo_pci_offset(dev, &bo->mem, &bus_base, &bus_offset, ++ &bus_size); ++ ++ if (err) { ++ ret = VM_FAULT_SIGBUS; ++ goto out_unlock; ++ } ++ ++ page_offset = (address - vma->vm_start) >> PAGE_SHIFT; ++ ++ if (bus_size) { ++ struct drm_mem_type_manager *man = &dev->bm.man[bo->mem.mem_type]; ++ ++ pfn = ((bus_base + bus_offset) >> PAGE_SHIFT) + page_offset; ++ vma->vm_page_prot = drm_io_prot(man->drm_bus_maptype, vma); ++ } else { ++ ttm = bo->ttm; ++ ++ drm_ttm_fixup_caching(ttm); ++ page = drm_ttm_get_page(ttm, page_offset); ++ if (!page) { ++ ret = VM_FAULT_OOM; ++ goto out_unlock; ++ } ++ pfn = page_to_pfn(page); ++ vma->vm_page_prot = (bo->mem.flags & DRM_BO_FLAG_CACHED) ? ++ vm_get_page_prot(vma->vm_flags) : ++ drm_io_prot(_DRM_TTM, vma); ++ } ++ ++ err = vm_insert_pfn(vma, address, pfn); ++ if (err) { ++ ret = (err != -EAGAIN) ? VM_FAULT_OOM : VM_FAULT_NOPAGE; ++ goto out_unlock; ++ } ++ ++ for (i=0; i<DRM_NOPFN_EXTRA; ++i) { ++ ++ if (++page_offset == bo->mem.num_pages) ++ break; ++ address = vma->vm_start + (page_offset << PAGE_SHIFT); ++ if (address >= vma->vm_end) ++ break; ++ if (bus_size) { ++ pfn = ((bus_base + bus_offset) >> PAGE_SHIFT) ++ + page_offset; ++ } else { ++ page = drm_ttm_get_page(ttm, page_offset); ++ if (!page) ++ break; ++ pfn = page_to_pfn(page); ++ } ++ if (vm_insert_pfn(vma, address, pfn)) ++ break; ++ } ++out_unlock: ++ mutex_unlock(&bo->mutex); ++ drm_bo_read_unlock(&dev->bm.bm_lock); ++ return ret; ++} ++EXPORT_SYMBOL(drm_bo_vm_fault); ++ ++static void drm_bo_vm_open_locked(struct vm_area_struct *vma) ++{ ++ struct drm_buffer_object *bo = (struct drm_buffer_object *) vma->vm_private_data; ++ ++ drm_vm_open_locked(vma); ++ atomic_inc(&bo->usage); ++} ++ ++/** ++ * \c vma open method for buffer objects. ++ * ++ * \param vma virtual memory area. ++ */ ++ ++static void drm_bo_vm_open(struct vm_area_struct *vma) ++{ ++ struct drm_buffer_object *bo = (struct drm_buffer_object *) vma->vm_private_data; ++ struct drm_device *dev = bo->dev; ++ ++ mutex_lock(&dev->struct_mutex); ++ drm_bo_vm_open_locked(vma); ++ mutex_unlock(&dev->struct_mutex); ++} ++ ++/** ++ * \c vma close method for buffer objects. ++ * ++ * \param vma virtual memory area. ++ */ ++ ++static void drm_bo_vm_close(struct vm_area_struct *vma) ++{ ++ struct drm_buffer_object *bo = (struct drm_buffer_object *) vma->vm_private_data; ++ struct drm_device *dev = bo->dev; ++ ++ drm_vm_close(vma); ++ if (bo) { ++ mutex_lock(&dev->struct_mutex); ++ drm_bo_usage_deref_locked((struct drm_buffer_object **) ++ &vma->vm_private_data); ++ mutex_unlock(&dev->struct_mutex); ++ } ++ return; ++} ++ ++static struct vm_operations_struct drm_bo_vm_ops = { ++ .fault = drm_bo_vm_fault, ++ .open = drm_bo_vm_open, ++ .close = drm_bo_vm_close, ++}; ++ ++/** ++ * mmap buffer object memory. ++ * ++ * \param vma virtual memory area. ++ * \param file_priv DRM file private. ++ * \param map The buffer object drm map. ++ * \return zero on success or a negative number on failure. ++ */ ++ ++int drm_bo_mmap_locked(struct vm_area_struct *vma, ++ struct file *filp, ++ drm_local_map_t *map) ++{ ++ vma->vm_ops = &drm_bo_vm_ops; ++ vma->vm_private_data = map->handle; ++ vma->vm_file = filp; ++ vma->vm_flags |= VM_RESERVED | VM_IO; ++ vma->vm_flags |= VM_PFNMAP; ++ drm_bo_vm_open_locked(vma); ++ return 0; ++} +Index: linux-2.6.28/drivers/gpu/drm/psb/Makefile +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/Makefile 2009-02-20 14:48:03.000000000 +0000 +@@ -0,0 +1,12 @@ ++# ++# Makefile for the drm device driver. This driver provides support for the ++# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. ++ ++ccflags-y := -Iinclude/drm ++ ++psb-y := psb_drv.o psb_mmu.o psb_sgx.o psb_irq.o psb_fence.o psb_buffer.o \ ++ psb_gtt.o psb_fb.o psb_msvdx.o \ ++ psb_msvdxinit.o psb_regman.o psb_reset.o psb_scene.o \ ++ psb_schedule.o psb_xhw.o ++ ++obj-$(CONFIG_DRM_PSB) += psb.o +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_buffer.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_buffer.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,437 @@ ++/************************************************************************** ++ * Copyright (c) 2007, Intel Corporation. ++ * All Rights Reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms and conditions of the GNU General Public License, ++ * version 2, as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ * ++ * You should have received a copy of the GNU General Public License along with ++ * this program; if not, write to the Free Software Foundation, Inc., ++ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to ++ * develop this driver. ++ * ++ **************************************************************************/ ++/* ++ * Authors: Thomas Hellstrom <thomas-at-tungstengraphics.com> ++ */ ++#include "drmP.h" ++#include "psb_drv.h" ++#include "psb_schedule.h" ++ ++struct drm_psb_ttm_backend { ++ struct drm_ttm_backend base; ++ struct page **pages; ++ unsigned int desired_tile_stride; ++ unsigned int hw_tile_stride; ++ int mem_type; ++ unsigned long offset; ++ unsigned long num_pages; ++}; ++ ++int psb_fence_types(struct drm_buffer_object *bo, uint32_t * class, ++ uint32_t * type) ++{ ++ switch (*class) { ++ case PSB_ENGINE_TA: ++ *type = DRM_FENCE_TYPE_EXE | ++ _PSB_FENCE_TYPE_TA_DONE | _PSB_FENCE_TYPE_RASTER_DONE; ++ if (bo->mem.mask & PSB_BO_FLAG_TA) ++ *type &= ~_PSB_FENCE_TYPE_RASTER_DONE; ++ if (bo->mem.mask & PSB_BO_FLAG_SCENE) ++ *type |= _PSB_FENCE_TYPE_SCENE_DONE; ++ if (bo->mem.mask & PSB_BO_FLAG_FEEDBACK) ++ *type |= _PSB_FENCE_TYPE_FEEDBACK; ++ break; ++ default: ++ *type = DRM_FENCE_TYPE_EXE; ++ } ++ return 0; ++} ++ ++static inline size_t drm_size_align(size_t size) ++{ ++ size_t tmpSize = 4; ++ if (size > PAGE_SIZE) ++ return PAGE_ALIGN(size); ++ while (tmpSize < size) ++ tmpSize <<= 1; ++ ++ return (size_t) tmpSize; ++} ++ ++/* ++ * Poulsbo GPU virtual space looks like this ++ * (We currently use only one MMU context). ++ * ++ * gatt_start = Start of GATT aperture in bus space. ++ * stolen_end = End of GATT populated by stolen memory in bus space. ++ * gatt_end = End of GATT ++ * twod_end = MIN(gatt_start + 256_MEM, gatt_end) ++ * ++ * 0x00000000 -> 0x10000000 Temporary mapping space for tiling- and copy operations. ++ * This space is not managed and is protected by the ++ * temp_mem mutex. ++ * ++ * 0x10000000 -> 0x20000000 DRM_PSB_MEM_KERNEL For kernel buffers. ++ * ++ * 0x20000000 -> gatt_start DRM_PSB_MEM_MMU For generic MMU-only use. ++ * ++ * gatt_start -> stolen_end DRM_BO_MEM_VRAM Pre-populated GATT pages. ++ * ++ * stolen_end -> twod_end DRM_BO_MEM_TT GATT memory usable by 2D engine. ++ * ++ * twod_end -> gatt_end DRM_BO_MEM_APER GATT memory not usable by 2D engine. ++ * ++ * gatt_end -> 0xffffffff Currently unused. ++ */ ++ ++int psb_init_mem_type(struct drm_device *dev, uint32_t type, ++ struct drm_mem_type_manager *man) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ struct psb_gtt *pg = dev_priv->pg; ++ ++ switch (type) { ++ case DRM_BO_MEM_LOCAL: ++ man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE | ++ _DRM_FLAG_MEMTYPE_CACHED; ++ man->drm_bus_maptype = 0; ++ break; ++ case DRM_PSB_MEM_KERNEL: ++ man->io_offset = 0x00000000; ++ man->io_size = 0x00000000; ++ man->io_addr = NULL; ++ man->drm_bus_maptype = _DRM_TTM; ++ man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE | ++ _DRM_FLAG_MEMTYPE_CSELECT | _DRM_FLAG_MEMTYPE_CMA; ++ man->gpu_offset = PSB_MEM_KERNEL_START; ++ break; ++ case DRM_PSB_MEM_MMU: ++ man->io_offset = 0x00000000; ++ man->io_size = 0x00000000; ++ man->io_addr = NULL; ++ man->drm_bus_maptype = _DRM_TTM; ++ man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE | ++ _DRM_FLAG_MEMTYPE_CSELECT | _DRM_FLAG_MEMTYPE_CMA; ++ man->gpu_offset = PSB_MEM_MMU_START; ++ break; ++ case DRM_PSB_MEM_PDS: ++ man->io_offset = 0x00000000; ++ man->io_size = 0x00000000; ++ man->io_addr = NULL; ++ man->drm_bus_maptype = _DRM_TTM; ++ man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE | ++ _DRM_FLAG_MEMTYPE_CSELECT | _DRM_FLAG_MEMTYPE_CMA; ++ man->gpu_offset = PSB_MEM_PDS_START; ++ break; ++ case DRM_PSB_MEM_RASTGEOM: ++ man->io_offset = 0x00000000; ++ man->io_size = 0x00000000; ++ man->io_addr = NULL; ++ man->drm_bus_maptype = _DRM_TTM; ++ man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE | ++ _DRM_FLAG_MEMTYPE_CSELECT | _DRM_FLAG_MEMTYPE_CMA; ++ man->gpu_offset = PSB_MEM_RASTGEOM_START; ++ break; ++ case DRM_BO_MEM_VRAM: ++ man->io_addr = NULL; ++ man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE | ++ _DRM_FLAG_MEMTYPE_FIXED | _DRM_FLAG_NEEDS_IOREMAP; ++#ifdef PSB_WORKING_HOST_MMU_ACCESS ++ man->drm_bus_maptype = _DRM_AGP; ++ man->io_offset = pg->gatt_start; ++ man->io_size = pg->gatt_pages << PAGE_SHIFT; ++#else ++ man->drm_bus_maptype = _DRM_TTM; /* Forces uncached */ ++ man->io_offset = pg->stolen_base; ++ man->io_size = pg->stolen_size; ++#endif ++ man->gpu_offset = pg->gatt_start; ++ break; ++ case DRM_BO_MEM_TT: /* Mappable GATT memory */ ++ man->io_offset = pg->gatt_start; ++ man->io_size = pg->gatt_pages << PAGE_SHIFT; ++ man->io_addr = NULL; ++#ifdef PSB_WORKING_HOST_MMU_ACCESS ++ man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE | ++ _DRM_FLAG_MEMTYPE_CSELECT | _DRM_FLAG_NEEDS_IOREMAP; ++ man->drm_bus_maptype = _DRM_AGP; ++#else ++ man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE | ++ _DRM_FLAG_MEMTYPE_CSELECT | _DRM_FLAG_MEMTYPE_CMA; ++ man->drm_bus_maptype = _DRM_TTM; ++#endif ++ man->gpu_offset = pg->gatt_start; ++ break; ++ case DRM_PSB_MEM_APER: /*MMU memory. Mappable. Not usable for 2D. */ ++ man->io_offset = pg->gatt_start; ++ man->io_size = pg->gatt_pages << PAGE_SHIFT; ++ man->io_addr = NULL; ++#ifdef PSB_WORKING_HOST_MMU_ACCESS ++ man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE | ++ _DRM_FLAG_MEMTYPE_CSELECT | _DRM_FLAG_NEEDS_IOREMAP; ++ man->drm_bus_maptype = _DRM_AGP; ++#else ++ man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE | ++ _DRM_FLAG_MEMTYPE_CSELECT | _DRM_FLAG_MEMTYPE_CMA; ++ man->drm_bus_maptype = _DRM_TTM; ++#endif ++ man->gpu_offset = pg->gatt_start; ++ break; ++ default: ++ DRM_ERROR("Unsupported memory type %u\n", (unsigned)type); ++ return -EINVAL; ++ } ++ return 0; ++} ++ ++uint32_t psb_evict_mask(struct drm_buffer_object * bo) ++{ ++ switch (bo->mem.mem_type) { ++ case DRM_BO_MEM_VRAM: ++ return DRM_BO_FLAG_MEM_TT; ++ default: ++ return DRM_BO_FLAG_MEM_LOCAL; ++ } ++} ++ ++int psb_invalidate_caches(struct drm_device *dev, uint64_t flags) ++{ ++ return 0; ++} ++ ++static int psb_move_blit(struct drm_buffer_object *bo, ++ int evict, int no_wait, struct drm_bo_mem_reg *new_mem) ++{ ++ struct drm_bo_mem_reg *old_mem = &bo->mem; ++ int dir = 0; ++ ++ if ((old_mem->mem_type == new_mem->mem_type) && ++ (new_mem->mm_node->start < ++ old_mem->mm_node->start + old_mem->mm_node->size)) { ++ dir = 1; ++ } ++ ++ psb_emit_2d_copy_blit(bo->dev, ++ old_mem->mm_node->start << PAGE_SHIFT, ++ new_mem->mm_node->start << PAGE_SHIFT, ++ new_mem->num_pages, dir); ++ ++ return drm_bo_move_accel_cleanup(bo, evict, no_wait, 0, ++ DRM_FENCE_TYPE_EXE, 0, new_mem); ++} ++ ++/* ++ * Flip destination ttm into cached-coherent GATT, ++ * then blit and subsequently move out again. ++ */ ++ ++static int psb_move_flip(struct drm_buffer_object *bo, ++ int evict, int no_wait, struct drm_bo_mem_reg *new_mem) ++{ ++ struct drm_device *dev = bo->dev; ++ struct drm_bo_mem_reg tmp_mem; ++ int ret; ++ ++ tmp_mem = *new_mem; ++ tmp_mem.mm_node = NULL; ++ tmp_mem.mask = DRM_BO_FLAG_MEM_TT | ++ DRM_BO_FLAG_CACHED | DRM_BO_FLAG_FORCE_CACHING; ++ ++ ret = drm_bo_mem_space(bo, &tmp_mem, no_wait); ++ if (ret) ++ return ret; ++ ret = drm_bind_ttm(bo->ttm, &tmp_mem); ++ if (ret) ++ goto out_cleanup; ++ ret = psb_move_blit(bo, 1, no_wait, &tmp_mem); ++ if (ret) ++ goto out_cleanup; ++ ++ ret = drm_bo_move_ttm(bo, evict, no_wait, new_mem); ++ out_cleanup: ++ if (tmp_mem.mm_node) { ++ mutex_lock(&dev->struct_mutex); ++ if (tmp_mem.mm_node != bo->pinned_node) ++ drm_mm_put_block(tmp_mem.mm_node); ++ tmp_mem.mm_node = NULL; ++ mutex_unlock(&dev->struct_mutex); ++ } ++ return ret; ++} ++ ++int psb_move(struct drm_buffer_object *bo, ++ int evict, int no_wait, struct drm_bo_mem_reg *new_mem) ++{ ++ struct drm_bo_mem_reg *old_mem = &bo->mem; ++ ++ if (old_mem->mem_type == DRM_BO_MEM_LOCAL) { ++ return drm_bo_move_memcpy(bo, evict, no_wait, new_mem); ++ } else if (new_mem->mem_type == DRM_BO_MEM_LOCAL) { ++ if (psb_move_flip(bo, evict, no_wait, new_mem)) ++ return drm_bo_move_memcpy(bo, evict, no_wait, new_mem); ++ } else { ++ if (psb_move_blit(bo, evict, no_wait, new_mem)) ++ return drm_bo_move_memcpy(bo, evict, no_wait, new_mem); ++ } ++ return 0; ++} ++ ++static int drm_psb_tbe_nca(struct drm_ttm_backend *backend) ++{ ++ return ((backend->flags & DRM_BE_FLAG_BOUND_CACHED) ? 0 : 1); ++} ++ ++static int drm_psb_tbe_populate(struct drm_ttm_backend *backend, ++ unsigned long num_pages, struct page **pages) ++{ ++ struct drm_psb_ttm_backend *psb_be = ++ container_of(backend, struct drm_psb_ttm_backend, base); ++ ++ psb_be->pages = pages; ++ return 0; ++} ++ ++static int drm_psb_tbe_unbind(struct drm_ttm_backend *backend) ++{ ++ struct drm_device *dev = backend->dev; ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ struct drm_psb_ttm_backend *psb_be = ++ container_of(backend, struct drm_psb_ttm_backend, base); ++ struct psb_mmu_pd *pd = psb_mmu_get_default_pd(dev_priv->mmu); ++ struct drm_mem_type_manager *man = &dev->bm.man[psb_be->mem_type]; ++ ++ PSB_DEBUG_RENDER("MMU unbind.\n"); ++ ++ if (psb_be->mem_type == DRM_BO_MEM_TT) { ++ uint32_t gatt_p_offset = (psb_be->offset - man->gpu_offset) >> ++ PAGE_SHIFT; ++ ++ (void)psb_gtt_remove_pages(dev_priv->pg, gatt_p_offset, ++ psb_be->num_pages, ++ psb_be->desired_tile_stride, ++ psb_be->hw_tile_stride); ++ } ++ ++ psb_mmu_remove_pages(pd, psb_be->offset, ++ psb_be->num_pages, ++ psb_be->desired_tile_stride, ++ psb_be->hw_tile_stride); ++ ++ return 0; ++} ++ ++static int drm_psb_tbe_bind(struct drm_ttm_backend *backend, ++ struct drm_bo_mem_reg *bo_mem) ++{ ++ struct drm_device *dev = backend->dev; ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ struct drm_psb_ttm_backend *psb_be = ++ container_of(backend, struct drm_psb_ttm_backend, base); ++ struct psb_mmu_pd *pd = psb_mmu_get_default_pd(dev_priv->mmu); ++ struct drm_mem_type_manager *man = &dev->bm.man[bo_mem->mem_type]; ++ int type; ++ int ret = 0; ++ ++ psb_be->mem_type = bo_mem->mem_type; ++ psb_be->num_pages = bo_mem->num_pages; ++ psb_be->desired_tile_stride = bo_mem->desired_tile_stride; ++ psb_be->hw_tile_stride = bo_mem->hw_tile_stride; ++ psb_be->desired_tile_stride = 0; ++ psb_be->hw_tile_stride = 0; ++ psb_be->offset = (bo_mem->mm_node->start << PAGE_SHIFT) + ++ man->gpu_offset; ++ ++ type = (bo_mem->flags & DRM_BO_FLAG_CACHED) ? PSB_MMU_CACHED_MEMORY : 0; ++ ++ PSB_DEBUG_RENDER("MMU bind.\n"); ++ if (psb_be->mem_type == DRM_BO_MEM_TT) { ++ uint32_t gatt_p_offset = (psb_be->offset - man->gpu_offset) >> ++ PAGE_SHIFT; ++ ++ ret = psb_gtt_insert_pages(dev_priv->pg, psb_be->pages, ++ gatt_p_offset, ++ psb_be->num_pages, ++ psb_be->desired_tile_stride, ++ psb_be->hw_tile_stride, type); ++ } ++ ++ ret = psb_mmu_insert_pages(pd, psb_be->pages, ++ psb_be->offset, psb_be->num_pages, ++ psb_be->desired_tile_stride, ++ psb_be->hw_tile_stride, type); ++ if (ret) ++ goto out_err; ++ ++ DRM_FLAG_MASKED(backend->flags, (bo_mem->flags & DRM_BO_FLAG_CACHED) ? ++ DRM_BE_FLAG_BOUND_CACHED : 0, DRM_BE_FLAG_BOUND_CACHED); ++ ++ return 0; ++ out_err: ++ drm_psb_tbe_unbind(backend); ++ return ret; ++ ++} ++ ++static void drm_psb_tbe_clear(struct drm_ttm_backend *backend) ++{ ++ struct drm_psb_ttm_backend *psb_be = ++ container_of(backend, struct drm_psb_ttm_backend, base); ++ ++ psb_be->pages = NULL; ++ return; ++} ++ ++static void drm_psb_tbe_destroy(struct drm_ttm_backend *backend) ++{ ++ struct drm_psb_ttm_backend *psb_be = ++ container_of(backend, struct drm_psb_ttm_backend, base); ++ ++ if (backend) ++ drm_free(psb_be, sizeof(*psb_be), DRM_MEM_TTM); ++} ++ ++static struct drm_ttm_backend_func psb_ttm_backend = { ++ .needs_ub_cache_adjust = drm_psb_tbe_nca, ++ .populate = drm_psb_tbe_populate, ++ .clear = drm_psb_tbe_clear, ++ .bind = drm_psb_tbe_bind, ++ .unbind = drm_psb_tbe_unbind, ++ .destroy = drm_psb_tbe_destroy, ++}; ++ ++struct drm_ttm_backend *drm_psb_tbe_init(struct drm_device *dev) ++{ ++ struct drm_psb_ttm_backend *psb_be; ++ ++ psb_be = drm_calloc(1, sizeof(*psb_be), DRM_MEM_TTM); ++ if (!psb_be) ++ return NULL; ++ psb_be->pages = NULL; ++ psb_be->base.func = &psb_ttm_backend; ++ psb_be->base.dev = dev; ++ ++ return &psb_be->base; ++} ++ ++int psb_tbe_size(struct drm_device *dev, unsigned long num_pages) ++{ ++ /* ++ * Return the size of the structures themselves and the ++ * estimated size of the pagedir and pagetable entries. ++ */ ++ ++ return drm_size_align(sizeof(struct drm_psb_ttm_backend)) + ++ 8*num_pages; ++} +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_drm.h +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_drm.h 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,370 @@ ++/************************************************************************** ++ * Copyright (c) 2007, Intel Corporation. ++ * All Rights Reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms and conditions of the GNU General Public License, ++ * version 2, as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ * ++ * You should have received a copy of the GNU General Public License along with ++ * this program; if not, write to the Free Software Foundation, Inc., ++ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to ++ * develop this driver. ++ * ++ **************************************************************************/ ++/* ++ */ ++ ++#ifndef _PSB_DRM_H_ ++#define _PSB_DRM_H_ ++ ++#if defined(__linux__) && !defined(__KERNEL__) ++#include<stdint.h> ++#endif ++ ++/* ++ * Intel Poulsbo driver package version. ++ * ++ */ ++/* #define PSB_PACKAGE_VERSION "ED"__DATE__*/ ++#define PSB_PACKAGE_VERSION "2.1.0.32L.0019" ++ ++#define DRM_PSB_SAREA_MAJOR 0 ++#define DRM_PSB_SAREA_MINOR 1 ++#define PSB_FIXED_SHIFT 16 ++ ++/* ++ * Public memory types. ++ */ ++ ++#define DRM_PSB_MEM_MMU DRM_BO_MEM_PRIV1 ++#define DRM_PSB_FLAG_MEM_MMU DRM_BO_FLAG_MEM_PRIV1 ++#define DRM_PSB_MEM_PDS DRM_BO_MEM_PRIV2 ++#define DRM_PSB_FLAG_MEM_PDS DRM_BO_FLAG_MEM_PRIV2 ++#define DRM_PSB_MEM_APER DRM_BO_MEM_PRIV3 ++#define DRM_PSB_FLAG_MEM_APER DRM_BO_FLAG_MEM_PRIV3 ++#define DRM_PSB_MEM_RASTGEOM DRM_BO_MEM_PRIV4 ++#define DRM_PSB_FLAG_MEM_RASTGEOM DRM_BO_FLAG_MEM_PRIV4 ++#define PSB_MEM_RASTGEOM_START 0x30000000 ++ ++typedef int32_t psb_fixed; ++typedef uint32_t psb_ufixed; ++ ++static inline psb_fixed psb_int_to_fixed(int a) ++{ ++ return a * (1 << PSB_FIXED_SHIFT); ++} ++ ++static inline psb_ufixed psb_unsigned_to_ufixed(unsigned int a) ++{ ++ return a << PSB_FIXED_SHIFT; ++} ++ ++/*Status of the command sent to the gfx device.*/ ++typedef enum { ++ DRM_CMD_SUCCESS, ++ DRM_CMD_FAILED, ++ DRM_CMD_HANG ++} drm_cmd_status_t; ++ ++struct drm_psb_scanout { ++ uint32_t buffer_id; /* DRM buffer object ID */ ++ uint32_t rotation; /* Rotation as in RR_rotation definitions */ ++ uint32_t stride; /* Buffer stride in bytes */ ++ uint32_t depth; /* Buffer depth in bits (NOT) bpp */ ++ uint32_t width; /* Buffer width in pixels */ ++ uint32_t height; /* Buffer height in lines */ ++ psb_fixed transform[3][3]; /* Buffer composite transform */ ++ /* (scaling, rot, reflect) */ ++}; ++ ++#define DRM_PSB_SAREA_OWNERS 16 ++#define DRM_PSB_SAREA_OWNER_2D 0 ++#define DRM_PSB_SAREA_OWNER_3D 1 ++ ++#define DRM_PSB_SAREA_SCANOUTS 3 ++ ++struct drm_psb_sarea { ++ /* Track changes of this data structure */ ++ ++ uint32_t major; ++ uint32_t minor; ++ ++ /* Last context to touch part of hw */ ++ uint32_t ctx_owners[DRM_PSB_SAREA_OWNERS]; ++ ++ /* Definition of front- and rotated buffers */ ++ uint32_t num_scanouts; ++ struct drm_psb_scanout scanouts[DRM_PSB_SAREA_SCANOUTS]; ++ ++ int pipeA_x; ++ int pipeA_y; ++ int pipeA_w; ++ int pipeA_h; ++ int pipeB_x; ++ int pipeB_y; ++ int pipeB_w; ++ int pipeB_h; ++ uint32_t msvdx_state; ++ uint32_t msvdx_context; ++}; ++ ++#define PSB_RELOC_MAGIC 0x67676767 ++#define PSB_RELOC_SHIFT_MASK 0x0000FFFF ++#define PSB_RELOC_SHIFT_SHIFT 0 ++#define PSB_RELOC_ALSHIFT_MASK 0xFFFF0000 ++#define PSB_RELOC_ALSHIFT_SHIFT 16 ++ ++#define PSB_RELOC_OP_OFFSET 0 /* Offset of the indicated ++ * buffer ++ */ ++#define PSB_RELOC_OP_2D_OFFSET 1 /* Offset of the indicated ++ * buffer, relative to 2D ++ * base address ++ */ ++#define PSB_RELOC_OP_PDS_OFFSET 2 /* Offset of the indicated buffer, ++ * relative to PDS base address ++ */ ++#define PSB_RELOC_OP_STRIDE 3 /* Stride of the indicated ++ * buffer (for tiling) ++ */ ++#define PSB_RELOC_OP_USE_OFFSET 4 /* Offset of USE buffer ++ * relative to base reg ++ */ ++#define PSB_RELOC_OP_USE_REG 5 /* Base reg of USE buffer */ ++ ++struct drm_psb_reloc { ++ uint32_t reloc_op; ++ uint32_t where; /* offset in destination buffer */ ++ uint32_t buffer; /* Buffer reloc applies to */ ++ uint32_t mask; /* Destination format: */ ++ uint32_t shift; /* Destination format: */ ++ uint32_t pre_add; /* Destination format: */ ++ uint32_t background; /* Destination add */ ++ uint32_t dst_buffer; /* Destination buffer. Index into buffer_list */ ++ uint32_t arg0; /* Reloc-op dependant */ ++ uint32_t arg1; ++}; ++ ++#define PSB_BO_FLAG_TA (1ULL << 48) ++#define PSB_BO_FLAG_SCENE (1ULL << 49) ++#define PSB_BO_FLAG_FEEDBACK (1ULL << 50) ++#define PSB_BO_FLAG_USSE (1ULL << 51) ++ ++#define PSB_ENGINE_2D 0 ++#define PSB_ENGINE_VIDEO 1 ++#define PSB_ENGINE_RASTERIZER 2 ++#define PSB_ENGINE_TA 3 ++#define PSB_ENGINE_HPRAST 4 ++ ++/* ++ * For this fence class we have a couple of ++ * fence types. ++ */ ++ ++#define _PSB_FENCE_EXE_SHIFT 0 ++#define _PSB_FENCE_TA_DONE_SHIFT 1 ++#define _PSB_FENCE_RASTER_DONE_SHIFT 2 ++#define _PSB_FENCE_SCENE_DONE_SHIFT 3 ++#define _PSB_FENCE_FEEDBACK_SHIFT 4 ++ ++#define _PSB_ENGINE_TA_FENCE_TYPES 5 ++#define _PSB_FENCE_TYPE_TA_DONE (1 << _PSB_FENCE_TA_DONE_SHIFT) ++#define _PSB_FENCE_TYPE_RASTER_DONE (1 << _PSB_FENCE_RASTER_DONE_SHIFT) ++#define _PSB_FENCE_TYPE_SCENE_DONE (1 << _PSB_FENCE_SCENE_DONE_SHIFT) ++#define _PSB_FENCE_TYPE_FEEDBACK (1 << _PSB_FENCE_FEEDBACK_SHIFT) ++ ++#define PSB_ENGINE_HPRAST 4 ++#define PSB_NUM_ENGINES 5 ++ ++#define PSB_TA_FLAG_FIRSTPASS (1 << 0) ++#define PSB_TA_FLAG_LASTPASS (1 << 1) ++ ++#define PSB_FEEDBACK_OP_VISTEST (1 << 0) ++ ++struct drm_psb_scene { ++ int handle_valid; ++ uint32_t handle; ++ uint32_t w; ++ uint32_t h; ++ uint32_t num_buffers; ++}; ++ ++struct drm_psb_hw_info ++{ ++ uint32_t rev_id; ++ uint32_t caps; ++}; ++ ++typedef struct drm_psb_cmdbuf_arg { ++ uint64_t buffer_list; /* List of buffers to validate */ ++ uint64_t clip_rects; /* See i915 counterpart */ ++ uint64_t scene_arg; ++ uint64_t fence_arg; ++ ++ uint32_t ta_flags; ++ ++ uint32_t ta_handle; /* TA reg-value pairs */ ++ uint32_t ta_offset; ++ uint32_t ta_size; ++ ++ uint32_t oom_handle; ++ uint32_t oom_offset; ++ uint32_t oom_size; ++ ++ uint32_t cmdbuf_handle; /* 2D Command buffer object or, */ ++ uint32_t cmdbuf_offset; /* rasterizer reg-value pairs */ ++ uint32_t cmdbuf_size; ++ ++ uint32_t reloc_handle; /* Reloc buffer object */ ++ uint32_t reloc_offset; ++ uint32_t num_relocs; ++ ++ int32_t damage; /* Damage front buffer with cliprects */ ++ /* Not implemented yet */ ++ uint32_t fence_flags; ++ uint32_t engine; ++ ++ /* ++ * Feedback; ++ */ ++ ++ uint32_t feedback_ops; ++ uint32_t feedback_handle; ++ uint32_t feedback_offset; ++ uint32_t feedback_breakpoints; ++ uint32_t feedback_size; ++} drm_psb_cmdbuf_arg_t; ++ ++struct drm_psb_xhw_init_arg { ++ uint32_t operation; ++ uint32_t buffer_handle; ++}; ++ ++/* ++ * Feedback components: ++ */ ++ ++/* ++ * Vistest component. The number of these in the feedback buffer ++ * equals the number of vistest breakpoints + 1. ++ * This is currently the only feedback component. ++ */ ++ ++struct drm_psb_vistest { ++ uint32_t vt[8]; ++}; ++ ++#define PSB_HW_COOKIE_SIZE 16 ++#define PSB_HW_FEEDBACK_SIZE 8 ++#define PSB_HW_OOM_CMD_SIZE 6 ++ ++struct drm_psb_xhw_arg { ++ uint32_t op; ++ int ret; ++ uint32_t irq_op; ++ uint32_t issue_irq; ++ uint32_t cookie[PSB_HW_COOKIE_SIZE]; ++ union { ++ struct { ++ uint32_t w; ++ uint32_t h; ++ uint32_t size; ++ uint32_t clear_p_start; ++ uint32_t clear_num_pages; ++ } si; ++ struct { ++ uint32_t fire_flags; ++ uint32_t hw_context; ++ uint32_t offset; ++ uint32_t engine; ++ uint32_t flags; ++ uint32_t rca; ++ uint32_t num_oom_cmds; ++ uint32_t oom_cmds[PSB_HW_OOM_CMD_SIZE]; ++ } sb; ++ struct { ++ uint32_t pages; ++ uint32_t size; ++ } bi; ++ struct { ++ uint32_t bca; ++ uint32_t rca; ++ uint32_t flags; ++ } oom; ++ struct { ++ uint32_t pt_offset; ++ uint32_t param_offset; ++ uint32_t flags; ++ } bl; ++ struct { ++ uint32_t value; ++ } cl; ++ uint32_t feedback[PSB_HW_FEEDBACK_SIZE]; ++ } arg; ++}; ++ ++#define DRM_PSB_CMDBUF 0x00 ++#define DRM_PSB_XHW_INIT 0x01 ++#define DRM_PSB_XHW 0x02 ++#define DRM_PSB_SCENE_UNREF 0x03 ++/* Controlling the kernel modesetting buffers */ ++#define DRM_PSB_KMS_OFF 0x04 ++#define DRM_PSB_KMS_ON 0x05 ++#define DRM_PSB_HW_INFO 0x06 ++ ++#define PSB_XHW_INIT 0x00 ++#define PSB_XHW_TAKEDOWN 0x01 ++ ++#define PSB_XHW_FIRE_RASTER 0x00 ++#define PSB_XHW_SCENE_INFO 0x01 ++#define PSB_XHW_SCENE_BIND_FIRE 0x02 ++#define PSB_XHW_TA_MEM_INFO 0x03 ++#define PSB_XHW_RESET_DPM 0x04 ++#define PSB_XHW_OOM 0x05 ++#define PSB_XHW_TERMINATE 0x06 ++#define PSB_XHW_VISTEST 0x07 ++#define PSB_XHW_RESUME 0x08 ++#define PSB_XHW_TA_MEM_LOAD 0x09 ++#define PSB_XHW_CHECK_LOCKUP 0x0a ++ ++#define PSB_SCENE_FLAG_DIRTY (1 << 0) ++#define PSB_SCENE_FLAG_COMPLETE (1 << 1) ++#define PSB_SCENE_FLAG_SETUP (1 << 2) ++#define PSB_SCENE_FLAG_SETUP_ONLY (1 << 3) ++#define PSB_SCENE_FLAG_CLEARED (1 << 4) ++ ++#define PSB_TA_MEM_FLAG_TA (1 << 0) ++#define PSB_TA_MEM_FLAG_RASTER (1 << 1) ++#define PSB_TA_MEM_FLAG_HOSTA (1 << 2) ++#define PSB_TA_MEM_FLAG_HOSTD (1 << 3) ++#define PSB_TA_MEM_FLAG_INIT (1 << 4) ++#define PSB_TA_MEM_FLAG_NEW_PT_OFFSET (1 << 5) ++ ++/*Raster fire will deallocate memory */ ++#define PSB_FIRE_FLAG_RASTER_DEALLOC (1 << 0) ++/*Isp reset needed due to change in ZLS format */ ++#define PSB_FIRE_FLAG_NEEDS_ISP_RESET (1 << 1) ++/*These are set by Xpsb. */ ++#define PSB_FIRE_FLAG_XHW_MASK 0xff000000 ++/*The task has had at least one OOM and Xpsb will ++ send back messages on each fire. */ ++#define PSB_FIRE_FLAG_XHW_OOM (1 << 24) ++ ++#define PSB_SCENE_ENGINE_TA 0 ++#define PSB_SCENE_ENGINE_RASTER 1 ++#define PSB_SCENE_NUM_ENGINES 2 ++ ++struct drm_psb_dev_info_arg { ++ uint32_t num_use_attribute_registers; ++}; ++#define DRM_PSB_DEVINFO 0x01 ++ ++#endif +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_drv.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_drv.c 2009-02-20 14:48:16.000000000 +0000 +@@ -0,0 +1,1028 @@ ++/************************************************************************** ++ * Copyright (c) 2007, Intel Corporation. ++ * All Rights Reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms and conditions of the GNU General Public License, ++ * version 2, as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ * ++ * You should have received a copy of the GNU General Public License along with ++ * this program; if not, write to the Free Software Foundation, Inc., ++ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to ++ * develop this driver. ++ * ++ **************************************************************************/ ++/* ++ */ ++ ++#include "drmP.h" ++#include "drm.h" ++#include "psb_drm.h" ++#include "psb_drv.h" ++#include "psb_reg.h" ++#include "../i915/i915_reg.h" ++#include "psb_msvdx.h" ++#include "drm_pciids.h" ++#include "psb_scene.h" ++#include "drm_crtc.h" ++#include "drm_crtc_helper.h" ++#include <linux/cpu.h> ++#include <linux/notifier.h> ++#include <linux/fb.h> ++ ++extern int drm_helper_probe_connector_modes(struct drm_device *dev, uint32_t maxX, uint32_t maxY); ++ ++int drm_psb_debug = 0; ++EXPORT_SYMBOL(drm_psb_debug); ++static int drm_psb_trap_pagefaults = 0; ++static int drm_psb_clock_gating = 0; ++static int drm_psb_ta_mem_size = 32 * 1024; ++int drm_psb_disable_vsync = 1; ++int drm_psb_no_fb = 0; ++int drm_psb_force_pipeb = 0; ++char* psb_init_mode; ++ ++ ++MODULE_PARM_DESC(debug, "Enable debug output"); ++MODULE_PARM_DESC(clock_gating, "clock gating"); ++MODULE_PARM_DESC(no_fb, "Disable FBdev"); ++MODULE_PARM_DESC(trap_pagefaults, "Error and reset on MMU pagefaults"); ++MODULE_PARM_DESC(disable_vsync, "Disable vsync interrupts"); ++MODULE_PARM_DESC(force_pipeb, "Forces PIPEB to become primary fb"); ++MODULE_PARM_DESC(ta_mem_size, "TA memory size in kiB"); ++MODULE_PARM_DESC(mode, "initial mode name"); ++MODULE_PARM_DESC(xres, "initial mode width"); ++MODULE_PARM_DESC(yres, "initial mode height"); ++ ++module_param_named(debug, drm_psb_debug, int, 0600); ++module_param_named(clock_gating, drm_psb_clock_gating, int, 0600); ++module_param_named(no_fb, drm_psb_no_fb, int, 0600); ++module_param_named(trap_pagefaults, drm_psb_trap_pagefaults, int, 0600); ++module_param_named(disable_vsync, drm_psb_disable_vsync, int, 0600); ++module_param_named(force_pipeb, drm_psb_force_pipeb, int, 0600); ++module_param_named(ta_mem_size, drm_psb_ta_mem_size, int, 0600); ++module_param_named(mode, psb_init_mode, charp, 0600); ++ ++static struct pci_device_id pciidlist[] = { ++ psb_PCI_IDS ++}; ++ ++#define DRM_PSB_CMDBUF_IOCTL DRM_IOW(DRM_PSB_CMDBUF, \ ++ struct drm_psb_cmdbuf_arg) ++#define DRM_PSB_XHW_INIT_IOCTL DRM_IOR(DRM_PSB_XHW_INIT, \ ++ struct drm_psb_xhw_init_arg) ++#define DRM_PSB_XHW_IOCTL DRM_IO(DRM_PSB_XHW) ++ ++#define DRM_PSB_SCENE_UNREF_IOCTL DRM_IOWR(DRM_PSB_SCENE_UNREF, \ ++ struct drm_psb_scene) ++#define DRM_PSB_HW_INFO_IOCTL DRM_IOR(DRM_PSB_HW_INFO, \ ++ struct drm_psb_hw_info) ++ ++#define DRM_PSB_KMS_OFF_IOCTL DRM_IO(DRM_PSB_KMS_OFF) ++#define DRM_PSB_KMS_ON_IOCTL DRM_IO(DRM_PSB_KMS_ON) ++ ++static struct drm_ioctl_desc psb_ioctls[] = { ++ DRM_IOCTL_DEF(DRM_PSB_CMDBUF_IOCTL, psb_cmdbuf_ioctl, DRM_AUTH), ++ DRM_IOCTL_DEF(DRM_PSB_XHW_INIT_IOCTL, psb_xhw_init_ioctl, ++ DRM_ROOT_ONLY), ++ DRM_IOCTL_DEF(DRM_PSB_XHW_IOCTL, psb_xhw_ioctl, DRM_ROOT_ONLY), ++ DRM_IOCTL_DEF(DRM_PSB_SCENE_UNREF_IOCTL, drm_psb_scene_unref_ioctl, ++ DRM_AUTH), ++ DRM_IOCTL_DEF(DRM_PSB_KMS_OFF_IOCTL, psbfb_kms_off_ioctl, ++ DRM_ROOT_ONLY), ++ DRM_IOCTL_DEF(DRM_PSB_KMS_ON_IOCTL, psbfb_kms_on_ioctl, DRM_ROOT_ONLY), ++ DRM_IOCTL_DEF(DRM_PSB_HW_INFO_IOCTL, psb_hw_info_ioctl, DRM_AUTH), ++}; ++static int psb_max_ioctl = DRM_ARRAY_SIZE(psb_ioctls); ++ ++static int probe(struct pci_dev *pdev, const struct pci_device_id *ent); ++ ++static int dri_library_name(struct drm_device *dev, char *buf) ++{ ++ return snprintf(buf, PAGE_SIZE, "psb\n"); ++} ++ ++static void psb_set_uopt(struct drm_psb_uopt *uopt) ++{ ++ uopt->clock_gating = drm_psb_clock_gating; ++} ++ ++static void psb_lastclose(struct drm_device *dev) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ ++ if (!dev->dev_private) ++ return; ++ ++ mutex_lock(&dev->struct_mutex); ++ if (dev_priv->ta_mem) ++ psb_ta_mem_unref_devlocked(&dev_priv->ta_mem); ++ mutex_unlock(&dev->struct_mutex); ++ mutex_lock(&dev_priv->cmdbuf_mutex); ++ if (dev_priv->buffers) { ++ vfree(dev_priv->buffers); ++ dev_priv->buffers = NULL; ++ } ++ mutex_unlock(&dev_priv->cmdbuf_mutex); ++} ++ ++static void psb_do_takedown(struct drm_device *dev) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ ++ mutex_lock(&dev->struct_mutex); ++ if (dev->bm.initialized) { ++ if (dev_priv->have_mem_rastgeom) { ++ drm_bo_clean_mm(dev, DRM_PSB_MEM_RASTGEOM); ++ dev_priv->have_mem_rastgeom = 0; ++ } ++ if (dev_priv->have_mem_mmu) { ++ drm_bo_clean_mm(dev, DRM_PSB_MEM_MMU); ++ dev_priv->have_mem_mmu = 0; ++ } ++ if (dev_priv->have_mem_aper) { ++ drm_bo_clean_mm(dev, DRM_PSB_MEM_APER); ++ dev_priv->have_mem_aper = 0; ++ } ++ if (dev_priv->have_tt) { ++ drm_bo_clean_mm(dev, DRM_BO_MEM_TT); ++ dev_priv->have_tt = 0; ++ } ++ if (dev_priv->have_vram) { ++ drm_bo_clean_mm(dev, DRM_BO_MEM_VRAM); ++ dev_priv->have_vram = 0; ++ } ++ } ++ mutex_unlock(&dev->struct_mutex); ++ ++ if (dev_priv->has_msvdx) ++ psb_msvdx_uninit(dev); ++ ++ if (dev_priv->comm) { ++ kunmap(dev_priv->comm_page); ++ dev_priv->comm = NULL; ++ } ++ if (dev_priv->comm_page) { ++ __free_page(dev_priv->comm_page); ++ dev_priv->comm_page = NULL; ++ } ++} ++ ++void psb_clockgating(struct drm_psb_private *dev_priv) ++{ ++ uint32_t clock_gating; ++ ++ if (dev_priv->uopt.clock_gating == 1) { ++ PSB_DEBUG_INIT("Disabling clock gating.\n"); ++ ++ clock_gating = (_PSB_C_CLKGATECTL_CLKG_DISABLED << ++ _PSB_C_CLKGATECTL_2D_CLKG_SHIFT) | ++ (_PSB_C_CLKGATECTL_CLKG_DISABLED << ++ _PSB_C_CLKGATECTL_ISP_CLKG_SHIFT) | ++ (_PSB_C_CLKGATECTL_CLKG_DISABLED << ++ _PSB_C_CLKGATECTL_TSP_CLKG_SHIFT) | ++ (_PSB_C_CLKGATECTL_CLKG_DISABLED << ++ _PSB_C_CLKGATECTL_TA_CLKG_SHIFT) | ++ (_PSB_C_CLKGATECTL_CLKG_DISABLED << ++ _PSB_C_CLKGATECTL_DPM_CLKG_SHIFT) | ++ (_PSB_C_CLKGATECTL_CLKG_DISABLED << ++ _PSB_C_CLKGATECTL_USE_CLKG_SHIFT); ++ ++ } else if (dev_priv->uopt.clock_gating == 2) { ++ PSB_DEBUG_INIT("Enabling clock gating.\n"); ++ ++ clock_gating = (_PSB_C_CLKGATECTL_CLKG_AUTO << ++ _PSB_C_CLKGATECTL_2D_CLKG_SHIFT) | ++ (_PSB_C_CLKGATECTL_CLKG_AUTO << ++ _PSB_C_CLKGATECTL_ISP_CLKG_SHIFT) | ++ (_PSB_C_CLKGATECTL_CLKG_AUTO << ++ _PSB_C_CLKGATECTL_TSP_CLKG_SHIFT) | ++ (_PSB_C_CLKGATECTL_CLKG_AUTO << ++ _PSB_C_CLKGATECTL_TA_CLKG_SHIFT) | ++ (_PSB_C_CLKGATECTL_CLKG_AUTO << ++ _PSB_C_CLKGATECTL_DPM_CLKG_SHIFT) | ++ (_PSB_C_CLKGATECTL_CLKG_AUTO << ++ _PSB_C_CLKGATECTL_USE_CLKG_SHIFT); ++ } else ++ clock_gating = PSB_RSGX32(PSB_CR_CLKGATECTL); ++ ++#ifdef FIX_TG_2D_CLOCKGATE ++ clock_gating &= ~_PSB_C_CLKGATECTL_2D_CLKG_MASK; ++ clock_gating |= (_PSB_C_CLKGATECTL_CLKG_DISABLED << ++ _PSB_C_CLKGATECTL_2D_CLKG_SHIFT); ++#endif ++ PSB_WSGX32(clock_gating, PSB_CR_CLKGATECTL); ++ (void)PSB_RSGX32(PSB_CR_CLKGATECTL); ++} ++ ++static int psb_master_create(struct drm_device *dev, struct drm_master *master) ++{ ++ struct drm_i915_master_private *master_priv; ++ ++ master_priv = drm_calloc(1, sizeof(*master_priv), DRM_MEM_DRIVER); ++ if (!master_priv) ++ return -ENOMEM; ++ ++ master->driver_priv = master_priv; ++ return 0; ++} ++ ++static void psb_master_destroy(struct drm_device *dev, struct drm_master *master) ++{ ++ struct drm_i915_master_private *master_priv = master->driver_priv; ++ ++ if (!master_priv) ++ return; ++ ++ drm_free(master_priv, sizeof(*master_priv), DRM_MEM_DRIVER); ++ ++ master->driver_priv = NULL; ++} ++ ++ ++static int psb_do_init(struct drm_device *dev) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ struct psb_gtt *pg = dev_priv->pg; ++ ++ uint32_t stolen_gtt; ++ uint32_t tt_start; ++ uint32_t tt_pages; ++ ++ int ret = -ENOMEM; ++ ++ DRM_ERROR("Debug is 0x%08x\n", drm_psb_debug); ++ ++ dev_priv->ta_mem_pages = ++ PSB_ALIGN_TO(drm_psb_ta_mem_size * 1024, PAGE_SIZE) >> PAGE_SHIFT; ++ dev_priv->comm_page = alloc_page(GFP_KERNEL); ++ if (!dev_priv->comm_page) ++ goto out_err; ++ ++ dev_priv->comm = kmap(dev_priv->comm_page); ++ memset((void *)dev_priv->comm, 0, PAGE_SIZE); ++ ++ dev_priv->has_msvdx = 1; ++ if (psb_msvdx_init(dev)) ++ dev_priv->has_msvdx = 0; ++ ++ /* ++ * Initialize sequence numbers for the different command ++ * submission mechanisms. ++ */ ++ ++ dev_priv->sequence[PSB_ENGINE_2D] = 0; ++ dev_priv->sequence[PSB_ENGINE_RASTERIZER] = 0; ++ dev_priv->sequence[PSB_ENGINE_TA] = 0; ++ dev_priv->sequence[PSB_ENGINE_HPRAST] = 0; ++ ++ if (pg->gatt_start & 0x0FFFFFFF) { ++ DRM_ERROR("Gatt must be 256M aligned. This is a bug.\n"); ++ ret = -EINVAL; ++ goto out_err; ++ } ++ ++ stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4; ++ stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT; ++ stolen_gtt = (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages; ++ ++ dev_priv->gatt_free_offset = pg->gatt_start + ++ (stolen_gtt << PAGE_SHIFT) * 1024; ++ ++ /* ++ * Insert a cache-coherent communications page in mmu space ++ * just after the stolen area. Will be used for fencing etc. ++ */ ++ ++ dev_priv->comm_mmu_offset = dev_priv->gatt_free_offset; ++ dev_priv->gatt_free_offset += PAGE_SIZE; ++ ++ ret = psb_mmu_insert_pages(psb_mmu_get_default_pd(dev_priv->mmu), ++ &dev_priv->comm_page, ++ dev_priv->comm_mmu_offset, 1, 0, 0, ++ PSB_MMU_CACHED_MEMORY); ++ ++ if (ret) ++ goto out_err; ++ ++ if (1 || drm_debug) { ++ uint32_t core_id = PSB_RSGX32(PSB_CR_CORE_ID); ++ uint32_t core_rev = PSB_RSGX32(PSB_CR_CORE_REVISION); ++ DRM_INFO("SGX core id = 0x%08x\n", core_id); ++ DRM_INFO("SGX core rev major = 0x%02x, minor = 0x%02x\n", ++ (core_rev & _PSB_CC_REVISION_MAJOR_MASK) >> ++ _PSB_CC_REVISION_MAJOR_SHIFT, ++ (core_rev & _PSB_CC_REVISION_MINOR_MASK) >> ++ _PSB_CC_REVISION_MINOR_SHIFT); ++ DRM_INFO ++ ("SGX core rev maintenance = 0x%02x, designer = 0x%02x\n", ++ (core_rev & _PSB_CC_REVISION_MAINTENANCE_MASK) >> ++ _PSB_CC_REVISION_MAINTENANCE_SHIFT, ++ (core_rev & _PSB_CC_REVISION_DESIGNER_MASK) >> ++ _PSB_CC_REVISION_DESIGNER_SHIFT); ++ } ++ ++ dev_priv->irqmask_lock = SPIN_LOCK_UNLOCKED; ++ dev_priv->fence0_irq_on = 0; ++ ++ tt_pages = (pg->gatt_pages < PSB_TT_PRIV0_PLIMIT) ? ++ pg->gatt_pages : PSB_TT_PRIV0_PLIMIT; ++ tt_start = dev_priv->gatt_free_offset - pg->gatt_start; ++ tt_pages -= tt_start >> PAGE_SHIFT; ++ ++ mutex_lock(&dev->struct_mutex); ++ ++ if (!drm_bo_init_mm(dev, DRM_BO_MEM_VRAM, 0, ++ pg->stolen_size >> PAGE_SHIFT)) { ++ dev_priv->have_vram = 1; ++ } ++ ++ if (!drm_bo_init_mm(dev, DRM_BO_MEM_TT, tt_start >> PAGE_SHIFT, ++ tt_pages)) { ++ dev_priv->have_tt = 1; ++ } ++ ++ if (!drm_bo_init_mm(dev, DRM_PSB_MEM_MMU, 0x00000000, ++ (pg->gatt_start - ++ PSB_MEM_MMU_START) >> PAGE_SHIFT)) { ++ dev_priv->have_mem_mmu = 1; ++ } ++ ++ if (!drm_bo_init_mm(dev, DRM_PSB_MEM_RASTGEOM, 0x00000000, ++ (PSB_MEM_MMU_START - ++ PSB_MEM_RASTGEOM_START) >> PAGE_SHIFT)) { ++ dev_priv->have_mem_rastgeom = 1; ++ } ++#if 0 ++ if (pg->gatt_pages > PSB_TT_PRIV0_PLIMIT) { ++ if (!drm_bo_init_mm(dev, DRM_PSB_MEM_APER, PSB_TT_PRIV0_PLIMIT, ++ pg->gatt_pages - PSB_TT_PRIV0_PLIMIT)) { ++ dev_priv->have_mem_aper = 1; ++ } ++ } ++#endif ++ ++ mutex_unlock(&dev->struct_mutex); ++ ++ return 0; ++ out_err: ++ psb_do_takedown(dev); ++ return ret; ++} ++ ++static int psb_driver_unload(struct drm_device *dev) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ ++ intel_modeset_cleanup(dev); ++ ++ if (dev_priv) { ++ psb_watchdog_takedown(dev_priv); ++ psb_do_takedown(dev); ++ psb_xhw_takedown(dev_priv); ++ psb_scheduler_takedown(&dev_priv->scheduler); ++ ++ mutex_lock(&dev->struct_mutex); ++ if (dev_priv->have_mem_pds) { ++ drm_bo_clean_mm(dev, DRM_PSB_MEM_PDS); ++ dev_priv->have_mem_pds = 0; ++ } ++ if (dev_priv->have_mem_kernel) { ++ drm_bo_clean_mm(dev, DRM_PSB_MEM_KERNEL); ++ dev_priv->have_mem_kernel = 0; ++ } ++ mutex_unlock(&dev->struct_mutex); ++ ++ (void)drm_bo_driver_finish(dev); ++ ++ if (dev_priv->pf_pd) { ++ psb_mmu_free_pagedir(dev_priv->pf_pd); ++ dev_priv->pf_pd = NULL; ++ } ++ if (dev_priv->mmu) { ++ struct psb_gtt *pg = dev_priv->pg; ++ ++ down_read(&pg->sem); ++ psb_mmu_remove_pfn_sequence(psb_mmu_get_default_pd ++ (dev_priv->mmu), ++ pg->gatt_start, ++ pg-> ++ stolen_size >> PAGE_SHIFT); ++ up_read(&pg->sem); ++ psb_mmu_driver_takedown(dev_priv->mmu); ++ dev_priv->mmu = NULL; ++ } ++ psb_gtt_takedown(dev_priv->pg, 1); ++ if (dev_priv->scratch_page) { ++ __free_page(dev_priv->scratch_page); ++ dev_priv->scratch_page = NULL; ++ } ++ psb_takedown_use_base(dev_priv); ++ if (dev_priv->common.regs) { ++ iounmap(dev_priv->common.regs); ++ dev_priv->common.regs = NULL; ++ } ++ if (dev_priv->sgx_reg) { ++ iounmap(dev_priv->sgx_reg); ++ dev_priv->sgx_reg = NULL; ++ } ++ if (dev_priv->msvdx_reg) { ++ iounmap(dev_priv->msvdx_reg); ++ dev_priv->msvdx_reg = NULL; ++ } ++ ++ drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER); ++ dev->dev_private = NULL; ++ } ++ return 0; ++} ++ ++static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb) ++{ ++ struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); ++ struct drm_device *dev = fb->dev; ++ ++ //if (fb->fbdev) ++ // intelfb_remove(dev, fb); ++ ++ drm_framebuffer_cleanup(fb); ++ mutex_lock(&dev->struct_mutex); ++ drm_gem_object_unreference(intel_fb->obj); ++ mutex_unlock(&dev->struct_mutex); ++ ++ kfree(intel_fb); ++} ++ ++static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb, ++ struct drm_file *file_priv, ++ unsigned int *handle) ++{ ++ struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); ++ struct drm_gem_object *object = intel_fb->obj; ++ ++ return drm_gem_handle_create(file_priv, object, handle); ++} ++ ++static const struct drm_framebuffer_funcs psb_fb_funcs = { ++ .destroy = psb_user_framebuffer_destroy, ++ .create_handle = psb_user_framebuffer_create_handle, ++}; ++ ++int psb_framebuffer_create(struct drm_device *dev, ++ struct drm_mode_fb_cmd *mode_cmd, ++ struct drm_framebuffer **fb, ++ struct drm_gem_object *obj) ++{ ++ struct intel_framebuffer *intel_fb; ++ int ret; ++ ++ intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); ++ if (!intel_fb) ++ return -ENOMEM; ++ ++ ret = drm_framebuffer_init(dev, &intel_fb->base, &psb_fb_funcs); ++ if (ret) { ++ DRM_ERROR("framebuffer init failed %d\n", ret); ++ return ret; ++ } ++ ++ drm_helper_mode_fill_fb_struct(&intel_fb->base, mode_cmd); ++ ++ intel_fb->obj = obj; ++ ++ *fb = &intel_fb->base; ++ ++ return 0; ++} ++ ++ ++static struct drm_framebuffer * ++psb_user_framebuffer_create(struct drm_device *dev, ++ struct drm_file *filp, ++ struct drm_mode_fb_cmd *mode_cmd) ++{ ++ struct drm_gem_object *obj; ++ struct drm_framebuffer *fb; ++ int ret; ++ ++ obj = drm_gem_object_lookup(dev, filp, mode_cmd->handle); ++ if (!obj) ++ return NULL; ++ ++ ret = psb_framebuffer_create(dev, mode_cmd, &fb, obj); ++ if (ret) { ++ drm_gem_object_unreference(obj); ++ return NULL; ++ } ++ ++ return fb; ++} ++ ++ ++int psbfb_probe2(struct drm_device *dev) ++{ ++ return 0; ++} ++ ++static const struct drm_mode_config_funcs psb_mode_funcs = { ++ .fb_create = psb_user_framebuffer_create, ++ .fb_changed = psbfb_probe2, ++}; ++ ++static int psb_driver_load(struct drm_device *dev, unsigned long chipset) ++{ ++ struct drm_psb_private *dev_priv; ++ unsigned long resource_start; ++ struct psb_gtt *pg; ++ int ret = -ENOMEM; ++ ++ DRM_INFO("psb - %s\n", PSB_PACKAGE_VERSION); ++ dev_priv = drm_calloc(1, sizeof(*dev_priv), DRM_MEM_DRIVER); ++ if (dev_priv == NULL) ++ return -ENOMEM; ++ ++ mutex_init(&dev_priv->temp_mem); ++ mutex_init(&dev_priv->cmdbuf_mutex); ++ mutex_init(&dev_priv->reset_mutex); ++ psb_init_disallowed(); ++ ++ atomic_set(&dev_priv->msvdx_mmu_invaldc, 0); ++ ++#ifdef FIX_TG_16 ++ atomic_set(&dev_priv->lock_2d, 0); ++ atomic_set(&dev_priv->ta_wait_2d, 0); ++ atomic_set(&dev_priv->ta_wait_2d_irq, 0); ++ atomic_set(&dev_priv->waiters_2d, 0);; ++ DRM_INIT_WAITQUEUE(&dev_priv->queue_2d); ++#else ++ mutex_init(&dev_priv->mutex_2d); ++#endif ++ ++ spin_lock_init(&dev_priv->reloc_lock); ++ ++ DRM_INIT_WAITQUEUE(&dev_priv->rel_mapped_queue); ++ DRM_INIT_WAITQUEUE(&dev_priv->event_2d_queue); ++ ++ dev->dev_private = (void *)dev_priv; ++ dev_priv->chipset = chipset; ++ psb_set_uopt(&dev_priv->uopt); ++ ++ psb_watchdog_init(dev_priv); ++ psb_scheduler_init(dev, &dev_priv->scheduler); ++ ++ resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE); ++ ++ dev_priv->msvdx_reg = ++ ioremap(resource_start + PSB_MSVDX_OFFSET, PSB_MSVDX_SIZE); ++ if (!dev_priv->msvdx_reg) ++ goto out_err; ++ ++ dev_priv->common.regs = ++ ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE); ++ if (!dev_priv->common.regs) ++ goto out_err; ++ ++ dev_priv->sgx_reg = ++ ioremap(resource_start + PSB_SGX_OFFSET, PSB_SGX_SIZE); ++ if (!dev_priv->sgx_reg) ++ goto out_err; ++ ++ psb_clockgating(dev_priv); ++ if (psb_init_use_base(dev_priv, 3, 13)) ++ goto out_err; ++ ++ dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO); ++ if (!dev_priv->scratch_page) ++ goto out_err; ++ ++ dev_priv->pg = psb_gtt_alloc(dev); ++ if (!dev_priv->pg) ++ goto out_err; ++ ++ ret = psb_gtt_init(dev_priv->pg, 0); ++ if (ret) ++ goto out_err; ++ ++ dev_priv->mmu = psb_mmu_driver_init(dev_priv->sgx_reg, ++ drm_psb_trap_pagefaults, 0, ++ &dev_priv->msvdx_mmu_invaldc); ++ if (!dev_priv->mmu) ++ goto out_err; ++ ++ pg = dev_priv->pg; ++ ++ /* ++ * Make sgx MMU aware of the stolen memory area we call VRAM. ++ */ ++ ++ down_read(&pg->sem); ++ ret = ++ psb_mmu_insert_pfn_sequence(psb_mmu_get_default_pd(dev_priv->mmu), ++ pg->stolen_base >> PAGE_SHIFT, ++ pg->gatt_start, ++ pg->stolen_size >> PAGE_SHIFT, 0); ++ up_read(&pg->sem); ++ if (ret) ++ goto out_err; ++ ++ dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0); ++ if (!dev_priv->pf_pd) ++ goto out_err; ++ ++ /* ++ * Make all presumably unused requestors page-fault by making them ++ * use context 1 which does not have any valid mappings. ++ */ ++ ++ PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0); ++ PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1); ++ PSB_RSGX32(PSB_CR_BIF_BANK1); ++ ++ psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0); ++ psb_mmu_set_pd_context(dev_priv->pf_pd, 1); ++ psb_mmu_enable_requestor(dev_priv->mmu, _PSB_MMU_ER_MASK); ++ ++ psb_init_2d(dev_priv); ++ ++ ret = drm_bo_driver_init(dev); ++ if (ret) ++ goto out_err; ++ ++ ret = drm_bo_init_mm(dev, DRM_PSB_MEM_KERNEL, 0x00000000, ++ (PSB_MEM_PDS_START - PSB_MEM_KERNEL_START) ++ >> PAGE_SHIFT); ++ if (ret) ++ goto out_err; ++ dev_priv->have_mem_kernel = 1; ++ ++ ret = drm_bo_init_mm(dev, DRM_PSB_MEM_PDS, 0x00000000, ++ (PSB_MEM_RASTGEOM_START - PSB_MEM_PDS_START) ++ >> PAGE_SHIFT); ++ if (ret) ++ goto out_err; ++ dev_priv->have_mem_pds = 1; ++ ++ ret = psb_do_init(dev); ++ if (ret) ++ return ret; ++ ++ ret = psb_xhw_init(dev); ++ if (ret) ++ return ret; ++ ++ PSB_WSGX32(PSB_MEM_PDS_START, PSB_CR_PDS_EXEC_BASE); ++ PSB_WSGX32(PSB_MEM_RASTGEOM_START, PSB_CR_BIF_3D_REQ_BASE); ++ ++ intel_modeset_init(dev); ++ ++ dev->mode_config.funcs = (void *)&psb_mode_funcs; ++ ++ drm_helper_initial_config(dev, false); ++ ++ return 0; ++ out_err: ++ psb_driver_unload(dev); ++ return ret; ++} ++ ++int psb_driver_device_is_agp(struct drm_device *dev) ++{ ++ return 0; ++} ++ ++static int psb_prepare_msvdx_suspend(struct drm_device *dev) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ struct drm_fence_manager *fm = &dev->fm; ++ struct drm_fence_class_manager *fc = &fm->fence_class[PSB_ENGINE_VIDEO]; ++ struct drm_fence_object *fence; ++ int ret = 0; ++ int signaled = 0; ++ int count = 0; ++ unsigned long _end = jiffies + 3 * DRM_HZ; ++ ++ PSB_DEBUG_GENERAL("MSVDXACPI Entering psb_prepare_msvdx_suspend....\n"); ++ ++ /*set the msvdx-reset flag here.. */ ++ dev_priv->msvdx_needs_reset = 1; ++ ++ /*Ensure that all pending IRQs are serviced, */ ++ list_for_each_entry(fence, &fc->ring, ring) { ++ count++; ++ do { ++ DRM_WAIT_ON(ret, fc->fence_queue, 3 * DRM_HZ, ++ (signaled = ++ drm_fence_object_signaled(fence, ++ DRM_FENCE_TYPE_EXE))); ++ if (signaled) ++ break; ++ if (time_after_eq(jiffies, _end)) ++ PSB_DEBUG_GENERAL ++ ("MSVDXACPI: fence 0x%x didn't get signaled for 3 secs; we will suspend anyways\n", ++ (unsigned int)fence); ++ } while (ret == -EINTR); ++ ++ } ++ ++ /* Issue software reset */ ++ PSB_WMSVDX32 (msvdx_sw_reset_all, MSVDX_CONTROL); ++ ++ ret = psb_wait_for_register (dev_priv, MSVDX_CONTROL, 0, ++ MSVDX_CONTROL_CR_MSVDX_SOFT_RESET_MASK); ++ ++ PSB_DEBUG_GENERAL("MSVDXACPI: All MSVDX IRQs (%d) serviced...\n", ++ count); ++ return 0; ++} ++ ++static int psb_suspend(struct pci_dev *pdev, pm_message_t state) ++{ ++ struct drm_device *dev = pci_get_drvdata(pdev); ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ struct drm_connector *output; ++ ++ if (drm_psb_no_fb == 0) ++ psbfb_suspend(dev); ++ else { ++ if(num_registered_fb) ++ { ++ list_for_each_entry(output, &dev->mode_config.connector_list, head) { ++ //if(output->encoder->crtc != NULL) ++ // intel_crtc_mode_save(output->encoder->crtc); ++ //if(output->funcs->save) ++ // output->funcs->save(output); ++ } ++ } ++ } ++ ++ dev_priv->saveCLOCKGATING = PSB_RSGX32(PSB_CR_CLKGATECTL); ++ (void)psb_idle_3d(dev); ++ (void)psb_idle_2d(dev); ++ flush_scheduled_work(); ++ ++ psb_takedown_use_base(dev_priv); ++ ++ if (dev_priv->has_msvdx) ++ psb_prepare_msvdx_suspend(dev); ++ ++ pci_save_state(pdev); ++ pci_disable_device(pdev); ++ pci_set_power_state(pdev, PCI_D3hot); ++ ++ return 0; ++} ++ ++static int psb_resume(struct pci_dev *pdev) ++{ ++ struct drm_device *dev = pci_get_drvdata(pdev); ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ struct psb_gtt *pg = dev_priv->pg; ++ struct drm_connector *output; ++ int ret; ++ ++ pci_set_power_state(pdev, PCI_D0); ++ pci_restore_state(pdev); ++ ret = pci_enable_device(pdev); ++ if (ret) ++ return ret; ++ ++ INIT_LIST_HEAD(&dev_priv->resume_buf.head); ++ dev_priv->msvdx_needs_reset = 1; ++ ++ PSB_WVDC32(pg->pge_ctl | _PSB_PGETBL_ENABLED, PSB_PGETBL_CTL); ++ pci_write_config_word(pdev, PSB_GMCH_CTRL, ++ pg->gmch_ctrl | _PSB_GMCH_ENABLED); ++ ++ /* ++ * The GTT page tables are probably not saved. ++ * However, TT and VRAM is empty at this point. ++ */ ++ ++ psb_gtt_init(dev_priv->pg, 1); ++ ++ /* ++ * The SGX loses it's register contents. ++ * Restore BIF registers. The MMU page tables are ++ * "normal" pages, so their contents should be kept. ++ */ ++ ++ PSB_WSGX32(dev_priv->saveCLOCKGATING, PSB_CR_CLKGATECTL); ++ PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0); ++ PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1); ++ PSB_RSGX32(PSB_CR_BIF_BANK1); ++ ++ psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0); ++ psb_mmu_set_pd_context(dev_priv->pf_pd, 1); ++ psb_mmu_enable_requestor(dev_priv->mmu, _PSB_MMU_ER_MASK); ++ ++ /* ++ * 2D Base registers.. ++ */ ++ psb_init_2d(dev_priv); ++ ++ if (drm_psb_no_fb == 0) { ++ list_for_each_entry(output, &dev->mode_config.connector_list, head) { ++ if(output->encoder->crtc != NULL) ++ drm_crtc_helper_set_mode(output->encoder->crtc, &output->encoder->crtc->mode, ++ output->encoder->crtc->x, output->encoder->crtc->y, NULL); ++ } ++ } ++ ++ /* ++ * Persistant 3D base registers and USSE base registers.. ++ */ ++ ++ PSB_WSGX32(PSB_MEM_PDS_START, PSB_CR_PDS_EXEC_BASE); ++ PSB_WSGX32(PSB_MEM_RASTGEOM_START, PSB_CR_BIF_3D_REQ_BASE); ++ psb_init_use_base(dev_priv, 3, 13); ++ ++ /* ++ * Now, re-initialize the 3D engine. ++ */ ++ ++ psb_xhw_resume(dev_priv, &dev_priv->resume_buf); ++ ++ psb_scheduler_ta_mem_check(dev_priv); ++ if (dev_priv->ta_mem && !dev_priv->force_ta_mem_load) { ++ psb_xhw_ta_mem_load(dev_priv, &dev_priv->resume_buf, ++ PSB_TA_MEM_FLAG_TA | ++ PSB_TA_MEM_FLAG_RASTER | ++ PSB_TA_MEM_FLAG_HOSTA | ++ PSB_TA_MEM_FLAG_HOSTD | ++ PSB_TA_MEM_FLAG_INIT, ++ dev_priv->ta_mem->ta_memory->offset, ++ dev_priv->ta_mem->hw_data->offset, ++ dev_priv->ta_mem->hw_cookie); ++ } ++ ++ if (drm_psb_no_fb == 0) ++ psbfb_resume(dev); ++ ++ else { ++ if(num_registered_fb) ++ { ++ struct fb_info *fb_info=registered_fb[0]; ++ list_for_each_entry(output, &dev->mode_config.connector_list, head) { ++ //if(output->encoder->crtc != NULL) ++ // intel_crtc_mode_restore(output->encoder->crtc); ++ } ++ if(fb_info) ++ { ++ fb_set_suspend(fb_info, 0); ++ printk("set the fb_set_suspend resume end\n"); ++ } ++ } ++ } ++ ++ ++ return 0; ++} ++ ++/* always available as we are SIGIO'd */ ++static unsigned int psb_poll(struct file *filp, struct poll_table_struct *wait) ++{ ++ return (POLLIN | POLLRDNORM); ++} ++ ++static int psb_release(struct inode *inode, struct file *filp) ++{ ++ struct drm_file *file_priv = (struct drm_file *)filp->private_data; ++ struct drm_device *dev = file_priv->minor->dev; ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ ++ if (dev_priv && dev_priv->xhw_file) { ++ psb_xhw_init_takedown(dev_priv, file_priv, 1); ++ } ++ return drm_release(inode, filp); ++} ++ ++extern struct drm_fence_driver psb_fence_driver; ++ ++/* ++ * Use this memory type priority if no eviction is needed. ++ */ ++static uint32_t psb_mem_prios[] = { DRM_BO_MEM_VRAM, ++ DRM_BO_MEM_TT, ++ DRM_PSB_MEM_KERNEL, ++ DRM_PSB_MEM_MMU, ++ DRM_PSB_MEM_RASTGEOM, ++ DRM_PSB_MEM_PDS, ++ DRM_PSB_MEM_APER, ++ DRM_BO_MEM_LOCAL ++}; ++ ++/* ++ * Use this memory type priority if need to evict. ++ */ ++static uint32_t psb_busy_prios[] = { DRM_BO_MEM_TT, ++ DRM_BO_MEM_VRAM, ++ DRM_PSB_MEM_KERNEL, ++ DRM_PSB_MEM_MMU, ++ DRM_PSB_MEM_RASTGEOM, ++ DRM_PSB_MEM_PDS, ++ DRM_PSB_MEM_APER, ++ DRM_BO_MEM_LOCAL ++}; ++ ++static struct drm_bo_driver psb_bo_driver = { ++ .mem_type_prio = psb_mem_prios, ++ .mem_busy_prio = psb_busy_prios, ++ .num_mem_type_prio = ARRAY_SIZE(psb_mem_prios), ++ .num_mem_busy_prio = ARRAY_SIZE(psb_busy_prios), ++ .create_ttm_backend_entry = drm_psb_tbe_init, ++ .fence_type = psb_fence_types, ++ .invalidate_caches = psb_invalidate_caches, ++ .init_mem_type = psb_init_mem_type, ++ .evict_mask = psb_evict_mask, ++ .move = psb_move, ++ .backend_size = psb_tbe_size, ++ .command_stream_barrier = NULL, ++}; ++ ++static struct drm_driver driver = { ++ .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | ++ DRIVER_IRQ_VBL | DRIVER_IRQ_VBL2, ++ .load = psb_driver_load, ++ .unload = psb_driver_unload, ++ .dri_library_name = dri_library_name, ++ .get_reg_ofs = drm_core_get_reg_ofs, ++ .ioctls = psb_ioctls, ++ .device_is_agp = psb_driver_device_is_agp, ++ .get_vblank_counter = psb_get_vblank_counter, ++ .enable_vblank = psb_enable_vblank, ++ .disable_vblank = psb_disable_vblank, ++ .irq_preinstall = psb_irq_preinstall, ++ .irq_postinstall = psb_irq_postinstall, ++ .irq_uninstall = psb_irq_uninstall, ++ .irq_handler = psb_irq_handler, ++ .master_create = psb_master_create, ++ .master_destroy = psb_master_destroy, ++ .fb_probe = psbfb_probe, ++ .fb_remove = psbfb_remove, ++ .firstopen = NULL, ++ .lastclose = psb_lastclose, ++ .fops = { ++ .owner = THIS_MODULE, ++ .open = drm_open, ++ .release = psb_release, ++ .ioctl = drm_ioctl, ++ .mmap = drm_mmap, ++ .poll = psb_poll, ++ .fasync = drm_fasync, ++ }, ++ .pci_driver = { ++ .name = DRIVER_NAME, ++ .id_table = pciidlist, ++ .probe = probe, ++ .remove = __devexit_p(drm_cleanup_pci), ++ .resume = psb_resume, ++ .suspend = psb_suspend, ++ }, ++ .fence_driver = &psb_fence_driver, ++ .bo_driver = &psb_bo_driver, ++ .name = DRIVER_NAME, ++ .desc = DRIVER_DESC, ++ .date = PSB_DRM_DRIVER_DATE, ++ .major = PSB_DRM_DRIVER_MAJOR, ++ .minor = PSB_DRM_DRIVER_MINOR, ++ .patchlevel = PSB_DRM_DRIVER_PATCHLEVEL ++}; ++ ++static int probe(struct pci_dev *pdev, const struct pci_device_id *ent) ++{ ++ return drm_get_dev(pdev, ent, &driver); ++} ++ ++static int __init psb_init(void) ++{ ++ driver.num_ioctls = psb_max_ioctl; ++ ++ return drm_init(&driver); ++} ++ ++static void __exit psb_exit(void) ++{ ++ drm_exit(&driver); ++} ++ ++module_init(psb_init); ++module_exit(psb_exit); ++ ++MODULE_AUTHOR(DRIVER_AUTHOR); ++MODULE_DESCRIPTION(DRIVER_DESC); ++MODULE_LICENSE("GPL"); +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_drv.h +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_drv.h 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,549 @@ ++/************************************************************************** ++ * Copyright (c) 2007, Intel Corporation. ++ * All Rights Reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms and conditions of the GNU General Public License, ++ * version 2, as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ * ++ * You should have received a copy of the GNU General Public License along with ++ * this program; if not, write to the Free Software Foundation, Inc., ++ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to ++ * develop this driver. ++ * ++ **************************************************************************/ ++/* ++ */ ++#ifndef _PSB_DRV_H_ ++#define _PSB_DRV_H_ ++ ++#include "drmP.h" ++#include "psb_drm.h" ++#include "psb_reg.h" ++#include "psb_schedule.h" ++#include "psb_priv.h" ++#include "../i915/intel_drv.h" ++ ++ ++enum { ++ CHIP_PSB_8108 = 0, ++ CHIP_PSB_8109 = 1 ++}; ++ ++/* ++ * Hardware bugfixes ++ */ ++ ++#define FIX_TG_16 ++#define FIX_TG_2D_CLOCKGATE ++ ++#define DRIVER_NAME "psb" ++#define DRIVER_DESC "drm driver for the Intel GMA500" ++#define DRIVER_AUTHOR "Tungsten Graphics Inc." ++ ++#define PSB_DRM_DRIVER_DATE "20080613" ++#define PSB_DRM_DRIVER_MAJOR 4 ++#define PSB_DRM_DRIVER_MINOR 12 ++#define PSB_DRM_DRIVER_PATCHLEVEL 0 ++ ++#define PSB_VDC_OFFSET 0x00000000 ++#define PSB_VDC_SIZE 0x000080000 ++#define PSB_SGX_SIZE 0x8000 ++#define PSB_SGX_OFFSET 0x00040000 ++#define PSB_MMIO_RESOURCE 0 ++#define PSB_GATT_RESOURCE 2 ++#define PSB_GTT_RESOURCE 3 ++#define PSB_GMCH_CTRL 0x52 ++#define PSB_BSM 0x5C ++#define _PSB_GMCH_ENABLED 0x4 ++#define PSB_PGETBL_CTL 0x2020 ++#define _PSB_PGETBL_ENABLED 0x00000001 ++#define PSB_SGX_2D_SLAVE_PORT 0x4000 ++#define PSB_TT_PRIV0_LIMIT (256*1024*1024) ++#define PSB_TT_PRIV0_PLIMIT (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT) ++#define PSB_NUM_VALIDATE_BUFFERS 1024 ++#define PSB_MEM_KERNEL_START 0x10000000 ++#define PSB_MEM_PDS_START 0x20000000 ++#define PSB_MEM_MMU_START 0x40000000 ++ ++#define DRM_PSB_MEM_KERNEL DRM_BO_MEM_PRIV0 ++#define DRM_PSB_FLAG_MEM_KERNEL DRM_BO_FLAG_MEM_PRIV0 ++ ++/* ++ * Flags for external memory type field. ++ */ ++ ++#define PSB_MSVDX_OFFSET 0x50000 /*MSVDX Base offset */ ++#define PSB_MSVDX_SIZE 0x8000 /*MSVDX MMIO region is 0x50000 - 0x57fff ==> 32KB */ ++ ++#define PSB_MMU_CACHED_MEMORY 0x0001 /* Bind to MMU only */ ++#define PSB_MMU_RO_MEMORY 0x0002 /* MMU RO memory */ ++#define PSB_MMU_WO_MEMORY 0x0004 /* MMU WO memory */ ++ ++/* ++ * PTE's and PDE's ++ */ ++ ++#define PSB_PDE_MASK 0x003FFFFF ++#define PSB_PDE_SHIFT 22 ++#define PSB_PTE_SHIFT 12 ++ ++#define PSB_PTE_VALID 0x0001 /* PTE / PDE valid */ ++#define PSB_PTE_WO 0x0002 /* Write only */ ++#define PSB_PTE_RO 0x0004 /* Read only */ ++#define PSB_PTE_CACHED 0x0008 /* CPU cache coherent */ ++ ++/* ++ * VDC registers and bits ++ */ ++#define PSB_HWSTAM 0x2098 ++#define PSB_INSTPM 0x20C0 ++#define PSB_INT_IDENTITY_R 0x20A4 ++#define _PSB_VSYNC_PIPEB_FLAG (1<<5) ++#define _PSB_VSYNC_PIPEA_FLAG (1<<7) ++#define _PSB_IRQ_SGX_FLAG (1<<18) ++#define _PSB_IRQ_MSVDX_FLAG (1<<19) ++#define PSB_INT_MASK_R 0x20A8 ++#define PSB_INT_ENABLE_R 0x20A0 ++#define PSB_PIPEASTAT 0x70024 ++#define _PSB_VBLANK_INTERRUPT_ENABLE (1 << 17) ++#define _PSB_VBLANK_CLEAR (1 << 1) ++#define PSB_PIPEBSTAT 0x71024 ++ ++#define _PSB_MMU_ER_MASK 0x0001FF00 ++#define _PSB_MMU_ER_HOST (1 << 16) ++#define GPIOA 0x5010 ++#define GPIOB 0x5014 ++#define GPIOC 0x5018 ++#define GPIOD 0x501c ++#define GPIOE 0x5020 ++#define GPIOF 0x5024 ++#define GPIOG 0x5028 ++#define GPIOH 0x502c ++#define GPIO_CLOCK_DIR_MASK (1 << 0) ++#define GPIO_CLOCK_DIR_IN (0 << 1) ++#define GPIO_CLOCK_DIR_OUT (1 << 1) ++#define GPIO_CLOCK_VAL_MASK (1 << 2) ++#define GPIO_CLOCK_VAL_OUT (1 << 3) ++#define GPIO_CLOCK_VAL_IN (1 << 4) ++#define GPIO_CLOCK_PULLUP_DISABLE (1 << 5) ++#define GPIO_DATA_DIR_MASK (1 << 8) ++#define GPIO_DATA_DIR_IN (0 << 9) ++#define GPIO_DATA_DIR_OUT (1 << 9) ++#define GPIO_DATA_VAL_MASK (1 << 10) ++#define GPIO_DATA_VAL_OUT (1 << 11) ++#define GPIO_DATA_VAL_IN (1 << 12) ++#define GPIO_DATA_PULLUP_DISABLE (1 << 13) ++ ++#define VCLK_DIVISOR_VGA0 0x6000 ++#define VCLK_DIVISOR_VGA1 0x6004 ++#define VCLK_POST_DIV 0x6010 ++ ++#define I915_READ(reg) readl(dev_priv->common.regs + (reg)) ++#define I915_WRITE(reg, val) writel(val, dev_priv->common.regs + (reg)) ++ ++#define PSB_COMM_2D (PSB_ENGINE_2D << 4) ++#define PSB_COMM_3D (PSB_ENGINE_3D << 4) ++#define PSB_COMM_TA (PSB_ENGINE_TA << 4) ++#define PSB_COMM_HP (PSB_ENGINE_HP << 4) ++#define PSB_COMM_USER_IRQ (1024 >> 2) ++#define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1) ++#define PSB_COMM_FW (2048 >> 2) ++ ++#define PSB_UIRQ_VISTEST 1 ++#define PSB_UIRQ_OOM_REPLY 2 ++#define PSB_UIRQ_FIRE_TA_REPLY 3 ++#define PSB_UIRQ_FIRE_RASTER_REPLY 4 ++ ++#define PSB_2D_SIZE (256*1024*1024) ++#define PSB_MAX_RELOC_PAGES 1024 ++ ++#define PSB_LOW_REG_OFFS 0x0204 ++#define PSB_HIGH_REG_OFFS 0x0600 ++ ++#define PSB_NUM_VBLANKS 2 ++ ++#define PSB_COMM_2D (PSB_ENGINE_2D << 4) ++#define PSB_COMM_3D (PSB_ENGINE_3D << 4) ++#define PSB_COMM_TA (PSB_ENGINE_TA << 4) ++#define PSB_COMM_HP (PSB_ENGINE_HP << 4) ++#define PSB_COMM_FW (2048 >> 2) ++ ++#define PSB_2D_SIZE (256*1024*1024) ++#define PSB_MAX_RELOC_PAGES 1024 ++ ++#define PSB_LOW_REG_OFFS 0x0204 ++#define PSB_HIGH_REG_OFFS 0x0600 ++ ++#define PSB_NUM_VBLANKS 2 ++#define PSB_WATCHDOG_DELAY (DRM_HZ / 10) ++ ++/* ++ * User options. ++ */ ++ ++ ++struct psb_gtt { ++ struct drm_device *dev; ++ int initialized; ++ uint32_t gatt_start; ++ uint32_t gtt_start; ++ uint32_t gtt_phys_start; ++ unsigned gtt_pages; ++ unsigned gatt_pages; ++ uint32_t stolen_base; ++ uint32_t pge_ctl; ++ u16 gmch_ctrl; ++ unsigned long stolen_size; ++ uint32_t *gtt_map; ++ struct rw_semaphore sem; ++}; ++ ++struct psb_use_base { ++ struct list_head head; ++ struct drm_fence_object *fence; ++ unsigned int reg; ++ unsigned long offset; ++ unsigned int dm; ++}; ++ ++struct psb_buflist_item; ++ ++struct psb_msvdx_cmd_queue { ++ struct list_head head; ++ void *cmd; ++ unsigned long cmd_size; ++ uint32_t sequence; ++}; ++ ++ ++struct psb_mmu_driver; ++ ++extern struct psb_mmu_driver *psb_mmu_driver_init(uint8_t __iomem * registers, ++ int trap_pagefaults, ++ int invalid_type, ++ atomic_t *msvdx_mmu_invaldc); ++extern void psb_mmu_driver_takedown(struct psb_mmu_driver *driver); ++extern struct psb_mmu_pd *psb_mmu_get_default_pd(struct psb_mmu_driver *driver); ++extern void psb_mmu_mirror_gtt(struct psb_mmu_pd *pd, uint32_t mmu_offset, ++ uint32_t gtt_start, uint32_t gtt_pages); ++extern void psb_mmu_test(struct psb_mmu_driver *driver, uint32_t offset); ++extern struct psb_mmu_pd *psb_mmu_alloc_pd(struct psb_mmu_driver *driver, ++ int trap_pagefaults, ++ int invalid_type); ++extern void psb_mmu_free_pagedir(struct psb_mmu_pd *pd); ++extern void psb_mmu_flush(struct psb_mmu_driver *driver); ++extern void psb_mmu_remove_pfn_sequence(struct psb_mmu_pd *pd, ++ unsigned long address, ++ uint32_t num_pages); ++extern int psb_mmu_insert_pfn_sequence(struct psb_mmu_pd *pd, ++ uint32_t start_pfn, ++ unsigned long address, ++ uint32_t num_pages, int type); ++extern int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual, ++ unsigned long *pfn); ++ ++/* ++ * Enable / disable MMU for different requestors. ++ */ ++ ++extern void psb_mmu_enable_requestor(struct psb_mmu_driver *driver, ++ uint32_t mask); ++extern void psb_mmu_disable_requestor(struct psb_mmu_driver *driver, ++ uint32_t mask); ++extern void psb_mmu_set_pd_context(struct psb_mmu_pd *pd, int hw_context); ++extern int psb_mmu_insert_pages(struct psb_mmu_pd *pd, struct page **pages, ++ unsigned long address, uint32_t num_pages, ++ uint32_t desired_tile_stride, ++ uint32_t hw_tile_stride, int type); ++extern void psb_mmu_remove_pages(struct psb_mmu_pd *pd, unsigned long address, ++ uint32_t num_pages, ++ uint32_t desired_tile_stride, ++ uint32_t hw_tile_stride); ++/* ++ * psb_sgx.c ++ */ ++ ++extern int psb_blit_sequence(struct drm_psb_private *dev_priv, ++ uint32_t sequence); ++extern void psb_init_2d(struct drm_psb_private *dev_priv); ++extern int psb_idle_2d(struct drm_device *dev); ++extern int psb_idle_3d(struct drm_device *dev); ++extern int psb_emit_2d_copy_blit(struct drm_device *dev, ++ uint32_t src_offset, ++ uint32_t dst_offset, uint32_t pages, ++ int direction); ++extern int psb_cmdbuf_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv); ++extern int psb_reg_submit(struct drm_psb_private *dev_priv, uint32_t * regs, ++ unsigned int cmds); ++extern int psb_submit_copy_cmdbuf(struct drm_device *dev, ++ struct drm_buffer_object *cmd_buffer, ++ unsigned long cmd_offset, ++ unsigned long cmd_size, int engine, ++ uint32_t * copy_buffer); ++extern void psb_fence_or_sync(struct drm_file *priv, ++ int engine, ++ struct drm_psb_cmdbuf_arg *arg, ++ struct drm_fence_arg *fence_arg, ++ struct drm_fence_object **fence_p); ++extern void psb_init_disallowed(void); ++ ++/* ++ * psb_irq.c ++ */ ++ ++extern u32 psb_get_vblank_counter(struct drm_device *dev, int pipe); ++extern int psb_enable_vblank(struct drm_device *dev, int crtc); ++extern void psb_disable_vblank(struct drm_device *dev, int crtc); ++extern irqreturn_t psb_irq_handler(DRM_IRQ_ARGS); ++extern void psb_irq_preinstall(struct drm_device *dev); ++extern int psb_irq_postinstall(struct drm_device *dev); ++extern void psb_irq_uninstall(struct drm_device *dev); ++ ++/* ++ * psb_fence.c ++ */ ++ ++extern void psb_fence_handler(struct drm_device *dev, uint32_t class); ++extern void psb_2D_irq_off(struct drm_psb_private *dev_priv); ++extern void psb_2D_irq_on(struct drm_psb_private *dev_priv); ++extern uint32_t psb_fence_advance_sequence(struct drm_device *dev, ++ uint32_t class); ++extern int psb_fence_emit_sequence(struct drm_device *dev, uint32_t fence_class, ++ uint32_t flags, uint32_t * sequence, ++ uint32_t * native_type); ++extern void psb_fence_error(struct drm_device *dev, ++ uint32_t class, ++ uint32_t sequence, uint32_t type, int error); ++ ++/*MSVDX stuff*/ ++extern void psb_msvdx_irq_off(struct drm_psb_private *dev_priv); ++extern void psb_msvdx_irq_on(struct drm_psb_private *dev_priv); ++extern int psb_hw_info_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv); ++ ++/* ++ * psb_buffer.c ++ */ ++extern struct drm_ttm_backend *drm_psb_tbe_init(struct drm_device *dev); ++extern int psb_fence_types(struct drm_buffer_object *bo, uint32_t * class, ++ uint32_t * type); ++extern uint32_t psb_evict_mask(struct drm_buffer_object *bo); ++extern int psb_invalidate_caches(struct drm_device *dev, uint64_t flags); ++extern int psb_init_mem_type(struct drm_device *dev, uint32_t type, ++ struct drm_mem_type_manager *man); ++extern int psb_move(struct drm_buffer_object *bo, ++ int evict, int no_wait, struct drm_bo_mem_reg *new_mem); ++extern int psb_tbe_size(struct drm_device *dev, unsigned long num_pages); ++ ++/* ++ * psb_gtt.c ++ */ ++extern int psb_gtt_init(struct psb_gtt *pg, int resume); ++extern int psb_gtt_insert_pages(struct psb_gtt *pg, struct page **pages, ++ unsigned offset_pages, unsigned num_pages, ++ unsigned desired_tile_stride, ++ unsigned hw_tile_stride, int type); ++extern int psb_gtt_remove_pages(struct psb_gtt *pg, unsigned offset_pages, ++ unsigned num_pages, ++ unsigned desired_tile_stride, ++ unsigned hw_tile_stride); ++ ++extern struct psb_gtt *psb_gtt_alloc(struct drm_device *dev); ++extern void psb_gtt_takedown(struct psb_gtt *pg, int free); ++ ++/* ++ * psb_fb.c ++ */ ++extern int psbfb_probe(struct drm_device *dev, struct drm_crtc *crtc); ++extern int psbfb_remove(struct drm_device *dev, struct drm_crtc *crtc); ++extern int psbfb_kms_off_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv); ++extern int psbfb_kms_on_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv); ++extern void psbfb_suspend(struct drm_device *dev); ++extern void psbfb_resume(struct drm_device *dev); ++ ++/* ++ * psb_reset.c ++ */ ++ ++extern void psb_reset(struct drm_psb_private *dev_priv, int reset_2d); ++extern void psb_schedule_watchdog(struct drm_psb_private *dev_priv); ++extern void psb_watchdog_init(struct drm_psb_private *dev_priv); ++extern void psb_watchdog_takedown(struct drm_psb_private *dev_priv); ++extern void psb_print_pagefault(struct drm_psb_private *dev_priv); ++ ++/* ++ * psb_regman.c ++ */ ++ ++extern void psb_takedown_use_base(struct drm_psb_private *dev_priv); ++extern int psb_grab_use_base(struct drm_psb_private *dev_priv, ++ unsigned long dev_virtual, ++ unsigned long size, ++ unsigned int data_master, ++ uint32_t fence_class, ++ uint32_t fence_type, ++ int no_wait, ++ int ignore_signals, ++ int *r_reg, uint32_t * r_offset); ++extern int psb_init_use_base(struct drm_psb_private *dev_priv, ++ unsigned int reg_start, unsigned int reg_num); ++ ++/* ++ * psb_xhw.c ++ */ ++ ++extern int psb_xhw_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv); ++extern int psb_xhw_init_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv); ++extern int psb_xhw_init(struct drm_device *dev); ++extern void psb_xhw_takedown(struct drm_psb_private *dev_priv); ++extern void psb_xhw_init_takedown(struct drm_psb_private *dev_priv, ++ struct drm_file *file_priv, int closing); ++extern int psb_xhw_scene_bind_fire(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf, ++ uint32_t fire_flags, ++ uint32_t hw_context, ++ uint32_t * cookie, ++ uint32_t * oom_cmds, ++ uint32_t num_oom_cmds, ++ uint32_t offset, ++ uint32_t engine, uint32_t flags); ++extern int psb_xhw_fire_raster(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf, uint32_t fire_flags); ++extern int psb_xhw_scene_info(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf, ++ uint32_t w, ++ uint32_t h, ++ uint32_t * hw_cookie, ++ uint32_t * bo_size, ++ uint32_t * clear_p_start, ++ uint32_t * clear_num_pages); ++ ++extern int psb_xhw_reset_dpm(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf); ++extern int psb_xhw_check_lockup(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf, uint32_t * value); ++extern int psb_xhw_ta_mem_info(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf, ++ uint32_t pages, ++ uint32_t * hw_cookie, uint32_t * size); ++extern int psb_xhw_ta_oom(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf, uint32_t * cookie); ++extern void psb_xhw_ta_oom_reply(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf, ++ uint32_t * cookie, ++ uint32_t * bca, ++ uint32_t * rca, uint32_t * flags); ++extern int psb_xhw_vistest(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf); ++extern int psb_xhw_handler(struct drm_psb_private *dev_priv); ++extern int psb_xhw_resume(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf); ++extern void psb_xhw_fire_reply(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf, uint32_t * cookie); ++extern int psb_xhw_ta_mem_load(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf, ++ uint32_t flags, ++ uint32_t param_offset, ++ uint32_t pt_offset, uint32_t * hw_cookie); ++extern void psb_xhw_clean_buf(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf); ++ ++extern void psb_i2c_init(struct drm_psb_private *dev_priv); ++ ++/* ++ * psb_schedule.c: HW bug fixing. ++ */ ++ ++#ifdef FIX_TG_16 ++ ++extern void psb_2d_unlock(struct drm_psb_private *dev_priv); ++extern void psb_2d_lock(struct drm_psb_private *dev_priv); ++extern void psb_resume_ta_2d_idle(struct drm_psb_private *dev_priv); ++ ++#else ++ ++#define psb_2d_lock(_dev_priv) mutex_lock(&(_dev_priv)->mutex_2d) ++#define psb_2d_unlock(_dev_priv) mutex_unlock(&(_dev_priv)->mutex_2d) ++ ++#endif ++ ++/* ++ * Utilities ++ */ ++ ++#define PSB_WVDC32(_val, _offs) I915_WRITE(_offs, _val) ++#define PSB_RVDC32(_offs) I915_READ(_offs) ++ ++#define PSB_ALIGN_TO(_val, _align) \ ++ (((_val) + ((_align) - 1)) & ~((_align) - 1)) ++#define PSB_WSGX32(_val, _offs) \ ++ iowrite32(_val, dev_priv->sgx_reg + (_offs)) ++#define PSB_RSGX32(_offs) \ ++ ioread32(dev_priv->sgx_reg + (_offs)) ++#define PSB_WMSVDX32(_val, _offs) \ ++ iowrite32(_val, dev_priv->msvdx_reg + (_offs)) ++#define PSB_RMSVDX32(_offs) \ ++ ioread32(dev_priv->msvdx_reg + (_offs)) ++ ++#define PSB_ALPL(_val, _base) \ ++ (((_val) >> (_base ## _ALIGNSHIFT)) << (_base ## _SHIFT)) ++#define PSB_ALPLM(_val, _base) \ ++ ((((_val) >> (_base ## _ALIGNSHIFT)) << (_base ## _SHIFT)) & (_base ## _MASK)) ++ ++#define PSB_D_RENDER (1 << 16) ++ ++#define PSB_D_GENERAL (1 << 0) ++#define PSB_D_INIT (1 << 1) ++#define PSB_D_IRQ (1 << 2) ++#define PSB_D_FW (1 << 3) ++#define PSB_D_PERF (1 << 4) ++#define PSB_D_TMP (1 << 5) ++#define PSB_D_RELOC (1 << 6) ++ ++extern int drm_psb_debug; ++extern int drm_psb_no_fb; ++extern int drm_psb_disable_vsync; ++ ++#define PSB_DEBUG_FW(_fmt, _arg...) \ ++ PSB_DEBUG(PSB_D_FW, _fmt, ##_arg) ++#define PSB_DEBUG_GENERAL(_fmt, _arg...) \ ++ PSB_DEBUG(PSB_D_GENERAL, _fmt, ##_arg) ++#define PSB_DEBUG_INIT(_fmt, _arg...) \ ++ PSB_DEBUG(PSB_D_INIT, _fmt, ##_arg) ++#define PSB_DEBUG_IRQ(_fmt, _arg...) \ ++ PSB_DEBUG(PSB_D_IRQ, _fmt, ##_arg) ++#define PSB_DEBUG_RENDER(_fmt, _arg...) \ ++ PSB_DEBUG(PSB_D_RENDER, _fmt, ##_arg) ++#define PSB_DEBUG_PERF(_fmt, _arg...) \ ++ PSB_DEBUG(PSB_D_PERF, _fmt, ##_arg) ++#define PSB_DEBUG_TMP(_fmt, _arg...) \ ++ PSB_DEBUG(PSB_D_TMP, _fmt, ##_arg) ++#define PSB_DEBUG_RELOC(_fmt, _arg...) \ ++ PSB_DEBUG(PSB_D_RELOC, _fmt, ##_arg) ++ ++#if DRM_DEBUG_CODE ++#define PSB_DEBUG(_flag, _fmt, _arg...) \ ++ do { \ ++ if (unlikely((_flag) & drm_psb_debug)) \ ++ printk(KERN_DEBUG \ ++ "[psb:0x%02x:%s] " _fmt , _flag, \ ++ __FUNCTION__ , ##_arg); \ ++ } while (0) ++#else ++#define PSB_DEBUG(_fmt, _arg...) do { } while (0) ++#endif ++ ++#endif +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_fb.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_fb.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,1219 @@ ++/************************************************************************** ++ * Copyright (c) 2007, Intel Corporation. ++ * All Rights Reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms and conditions of the GNU General Public License, ++ * version 2, as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ * ++ * You should have received a copy of the GNU General Public License along with ++ * this program; if not, write to the Free Software Foundation, Inc., ++ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to ++ * develop this driver. ++ * ++ **************************************************************************/ ++ ++#include <linux/module.h> ++#include <linux/kernel.h> ++#include <linux/errno.h> ++#include <linux/string.h> ++#include <linux/mm.h> ++#include <linux/tty.h> ++#include <linux/slab.h> ++#include <linux/delay.h> ++#include <linux/fb.h> ++#include <linux/init.h> ++#include <linux/console.h> ++ ++#include "drmP.h" ++#include "drm.h" ++#include "drm_crtc.h" ++#include "psb_drv.h" ++ ++struct psbfb_vm_info { ++ struct drm_buffer_object *bo; ++ struct address_space *f_mapping; ++ struct mutex vm_mutex; ++ atomic_t refcount; ++}; ++ ++struct psbfb_par { ++ struct drm_device *dev; ++ struct drm_crtc *crtc; ++ struct drm_connector *output; ++ struct psbfb_vm_info *vi; ++ int dpms_state; ++}; ++ ++static void psbfb_vm_info_deref(struct psbfb_vm_info **vi) ++{ ++ struct psbfb_vm_info *tmp = *vi; ++ *vi = NULL; ++ if (atomic_dec_and_test(&tmp->refcount)) { ++ drm_bo_usage_deref_unlocked(&tmp->bo); ++ drm_free(tmp, sizeof(*tmp), DRM_MEM_MAPS); ++ } ++} ++ ++static struct psbfb_vm_info *psbfb_vm_info_ref(struct psbfb_vm_info *vi) ++{ ++ atomic_inc(&vi->refcount); ++ return vi; ++} ++ ++static struct psbfb_vm_info *psbfb_vm_info_create(void) ++{ ++ struct psbfb_vm_info *vi; ++ ++ vi = drm_calloc(1, sizeof(*vi), DRM_MEM_MAPS); ++ if (!vi) ++ return NULL; ++ ++ mutex_init(&vi->vm_mutex); ++ atomic_set(&vi->refcount, 1); ++ return vi; ++} ++ ++#define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16) ++ ++static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green, ++ unsigned blue, unsigned transp, struct fb_info *info) ++{ ++ struct psbfb_par *par = info->par; ++ struct drm_crtc *crtc = par->crtc; ++ uint32_t v; ++ ++ if (!crtc->fb) ++ return -ENOMEM; ++ ++ if (regno > 255) ++ return 1; ++ ++ if (crtc->fb->depth == 8) { ++ intel_crtc_fb_gamma_set(crtc, red, green, blue, regno); ++ return 0; ++ } ++ ++ red = CMAP_TOHW(red, info->var.red.length); ++ blue = CMAP_TOHW(blue, info->var.blue.length); ++ green = CMAP_TOHW(green, info->var.green.length); ++ transp = CMAP_TOHW(transp, info->var.transp.length); ++ ++ v = (red << info->var.red.offset) | ++ (green << info->var.green.offset) | ++ (blue << info->var.blue.offset) | ++ (transp << info->var.transp.offset); ++ ++ switch (crtc->fb->bits_per_pixel) { ++ case 16: ++ ((uint32_t *) info->pseudo_palette)[regno] = v; ++ break; ++ case 24: ++ case 32: ++ ((uint32_t *) info->pseudo_palette)[regno] = v; ++ break; ++ } ++ ++ return 0; ++} ++ ++static int psbfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) ++{ ++ struct psbfb_par *par = info->par; ++ //struct drm_device *dev = par->dev; ++ struct drm_framebuffer *fb = par->crtc->fb; ++ //struct drm_display_mode *drm_mode; ++ //struct drm_connector *output; ++ int depth; ++ int pitch; ++ int bpp = var->bits_per_pixel; ++ ++ if (!fb) ++ return -ENOMEM; ++ ++ if (!var->pixclock) ++ return -EINVAL; ++ ++ /* don't support virtuals for now */ ++ if (var->xres_virtual > var->xres) ++ return -EINVAL; ++ ++ if (var->yres_virtual > var->yres) ++ return -EINVAL; ++ ++ switch (bpp) { ++ case 8: ++ depth = 8; ++ break; ++ case 16: ++ depth = (var->green.length == 6) ? 16 : 15; ++ break; ++ case 24: /* assume this is 32bpp / depth 24 */ ++ bpp = 32; ++ /* fallthrough */ ++ case 32: ++ depth = (var->transp.length > 0) ? 32 : 24; ++ break; ++ default: ++ return -EINVAL; ++ } ++ ++ pitch = ((var->xres * ((bpp + 1) / 8)) + 0x3f) & ~0x3f; ++ ++ /* Check that we can resize */ ++ if ((pitch * var->yres) > (fb->bo->num_pages << PAGE_SHIFT)) { ++ /* Need to resize the fb object. ++ * But the generic fbdev code doesn't really understand ++ * that we can do this. So disable for now. ++ */ ++ DRM_INFO("Can't support requested size, too big!\n"); ++ return -EINVAL; ++ } ++ ++ switch (depth) { ++ case 8: ++ var->red.offset = 0; ++ var->green.offset = 0; ++ var->blue.offset = 0; ++ var->red.length = 8; ++ var->green.length = 8; ++ var->blue.length = 8; ++ var->transp.length = 0; ++ var->transp.offset = 0; ++ break; ++ case 15: ++ var->red.offset = 10; ++ var->green.offset = 5; ++ var->blue.offset = 0; ++ var->red.length = 5; ++ var->green.length = 5; ++ var->blue.length = 5; ++ var->transp.length = 1; ++ var->transp.offset = 15; ++ break; ++ case 16: ++ var->red.offset = 11; ++ var->green.offset = 5; ++ var->blue.offset = 0; ++ var->red.length = 5; ++ var->green.length = 6; ++ var->blue.length = 5; ++ var->transp.length = 0; ++ var->transp.offset = 0; ++ break; ++ case 24: ++ var->red.offset = 16; ++ var->green.offset = 8; ++ var->blue.offset = 0; ++ var->red.length = 8; ++ var->green.length = 8; ++ var->blue.length = 8; ++ var->transp.length = 0; ++ var->transp.offset = 0; ++ break; ++ case 32: ++ var->red.offset = 16; ++ var->green.offset = 8; ++ var->blue.offset = 0; ++ var->red.length = 8; ++ var->green.length = 8; ++ var->blue.length = 8; ++ var->transp.length = 8; ++ var->transp.offset = 24; ++ break; ++ default: ++ return -EINVAL; ++ } ++ ++ return 0; ++} ++ ++static int psbfb_move_fb_bo(struct fb_info *info, struct drm_buffer_object *bo, ++ uint64_t mem_type_flags) ++{ ++ struct psbfb_par *par; ++ loff_t holelen; ++ int ret; ++ ++ /* ++ * Kill all user-space mappings of this device. They will be ++ * faulted back using nopfn when accessed. ++ */ ++ ++ par = info->par; ++ holelen = ((loff_t) bo->mem.num_pages) << PAGE_SHIFT; ++ mutex_lock(&par->vi->vm_mutex); ++ if (par->vi->f_mapping) { ++ unmap_mapping_range(par->vi->f_mapping, 0, holelen, 1); ++ } ++ ++ ret = drm_bo_do_validate(bo, ++ mem_type_flags, ++ DRM_BO_MASK_MEM | ++ DRM_BO_FLAG_NO_EVICT, ++ DRM_BO_HINT_DONT_FENCE, 0, 1, NULL); ++ ++ mutex_unlock(&par->vi->vm_mutex); ++ return ret; ++} ++ ++/* this will let fbcon do the mode init */ ++static int psbfb_set_par(struct fb_info *info) ++{ ++ struct psbfb_par *par = info->par; ++ struct drm_framebuffer *fb = par->crtc->fb; ++ struct drm_device *dev = par->dev; ++ struct drm_display_mode *drm_mode; ++ struct fb_var_screeninfo *var = &info->var; ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ //struct drm_connector *output; ++ int pitch; ++ int depth; ++ int bpp = var->bits_per_pixel; ++ ++ if (!fb) ++ return -ENOMEM; ++ ++ switch (bpp) { ++ case 8: ++ depth = 8; ++ break; ++ case 16: ++ depth = (var->green.length == 6) ? 16 : 15; ++ break; ++ case 24: /* assume this is 32bpp / depth 24 */ ++ bpp = 32; ++ /* fallthrough */ ++ case 32: ++ depth = (var->transp.length > 0) ? 32 : 24; ++ break; ++ default: ++ return -EINVAL; ++ } ++ ++ pitch = ((var->xres * ((bpp + 1) / 8)) + 0x3f) & ~0x3f; ++ ++ if ((pitch * var->yres) > (fb->bo->num_pages << PAGE_SHIFT)) { ++ /* Need to resize the fb object. ++ * But the generic fbdev code doesn't really understand ++ * that we can do this. So disable for now. ++ */ ++ DRM_INFO("Can't support requested size, too big!\n"); ++ return -EINVAL; ++ } ++ ++ fb->offset = fb->bo->offset - dev_priv->pg->gatt_start; ++ fb->width = var->xres; ++ fb->height = var->yres; ++ fb->bits_per_pixel = bpp; ++ fb->pitch = pitch; ++ fb->depth = depth; ++ ++ info->fix.line_length = fb->pitch; ++ info->fix.visual = ++ (fb->depth == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_DIRECTCOLOR; ++ ++ /* some fbdev's apps don't want these to change */ ++ info->fix.smem_start = dev->mode_config.fb_base + fb->offset; ++ ++ /* we have to align the output base address because the fb->bo ++ may be moved in the previous drm_bo_do_validate(). ++ Otherwise the output screens may go black when exit the X ++ window and re-enter the console */ ++ info->screen_base = fb->kmap.virtual; ++ ++ /* Should we walk the output's modelist or just create our own ??? ++ * For now, we create and destroy a mode based on the incoming ++ * parameters. But there's commented out code below which scans ++ * the output list too. ++ */ ++ ++ drm_mode = drm_mode_create(dev); ++ drm_mode->hdisplay = var->xres; ++ drm_mode->hsync_start = drm_mode->hdisplay + var->right_margin; ++ drm_mode->hsync_end = drm_mode->hsync_start + var->hsync_len; ++ drm_mode->htotal = drm_mode->hsync_end + var->left_margin; ++ drm_mode->vdisplay = var->yres; ++ drm_mode->vsync_start = drm_mode->vdisplay + var->lower_margin; ++ drm_mode->vsync_end = drm_mode->vsync_start + var->vsync_len; ++ drm_mode->vtotal = drm_mode->vsync_end + var->upper_margin; ++ drm_mode->clock = PICOS2KHZ(var->pixclock); ++ drm_mode->vrefresh = drm_mode_vrefresh(drm_mode); ++ drm_mode_set_name(drm_mode); ++ drm_mode_set_crtcinfo(drm_mode, CRTC_INTERLACE_HALVE_V); ++ ++ ++ if (!drm_crtc_helper_set_mode(par->crtc, drm_mode, 0, 0, NULL)) ++ return -EINVAL; ++ ++ /* Have to destroy our created mode if we're not searching the mode ++ * list for it. ++ */ ++ drm_mode_destroy(dev, drm_mode); ++ ++ return 0; ++} ++ ++extern int psb_2d_submit(struct drm_psb_private *, uint32_t *, uint32_t);; ++ ++static int psb_accel_2d_fillrect(struct drm_psb_private *dev_priv, ++ uint32_t dst_offset, uint32_t dst_stride, ++ uint32_t dst_format, uint16_t dst_x, ++ uint16_t dst_y, uint16_t size_x, ++ uint16_t size_y, uint32_t fill) ++{ ++ uint32_t buffer[10]; ++ uint32_t *buf; ++ int ret; ++ ++ buf = buffer; ++ ++ *buf++ = PSB_2D_FENCE_BH; ++ ++ *buf++ = ++ PSB_2D_DST_SURF_BH | dst_format | (dst_stride << ++ PSB_2D_DST_STRIDE_SHIFT); ++ *buf++ = dst_offset; ++ ++ *buf++ = ++ PSB_2D_BLIT_BH | ++ PSB_2D_ROT_NONE | ++ PSB_2D_COPYORDER_TL2BR | ++ PSB_2D_DSTCK_DISABLE | ++ PSB_2D_SRCCK_DISABLE | PSB_2D_USE_FILL | PSB_2D_ROP3_PATCOPY; ++ ++ *buf++ = fill << PSB_2D_FILLCOLOUR_SHIFT; ++ *buf++ = ++ (dst_x << PSB_2D_DST_XSTART_SHIFT) | (dst_y << ++ PSB_2D_DST_YSTART_SHIFT); ++ *buf++ = ++ (size_x << PSB_2D_DST_XSIZE_SHIFT) | (size_y << ++ PSB_2D_DST_YSIZE_SHIFT); ++ *buf++ = PSB_2D_FLUSH_BH; ++ ++ psb_2d_lock(dev_priv); ++ ret = psb_2d_submit(dev_priv, buffer, buf - buffer); ++ psb_2d_unlock(dev_priv); ++ ++ return ret; ++} ++ ++static void psbfb_fillrect_accel(struct fb_info *info, ++ const struct fb_fillrect *r) ++{ ++ struct psbfb_par *par = info->par; ++ struct drm_framebuffer *fb = par->crtc->fb; ++ struct drm_psb_private *dev_priv = par->dev->dev_private; ++ uint32_t offset; ++ uint32_t stride; ++ uint32_t format; ++ ++ if (!fb) ++ return; ++ ++ offset = fb->offset; ++ stride = fb->pitch; ++ ++ switch (fb->depth) { ++ case 8: ++ format = PSB_2D_DST_332RGB; ++ break; ++ case 15: ++ format = PSB_2D_DST_555RGB; ++ break; ++ case 16: ++ format = PSB_2D_DST_565RGB; ++ break; ++ case 24: ++ case 32: ++ /* this is wrong but since we don't do blending its okay */ ++ format = PSB_2D_DST_8888ARGB; ++ break; ++ default: ++ /* software fallback */ ++ cfb_fillrect(info, r); ++ return; ++ } ++ ++ psb_accel_2d_fillrect(dev_priv, ++ offset, stride, format, ++ r->dx, r->dy, r->width, r->height, r->color); ++} ++ ++static void psbfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) ++{ ++ if (info->state != FBINFO_STATE_RUNNING) ++ return; ++ if (info->flags & FBINFO_HWACCEL_DISABLED) { ++ cfb_fillrect(info, rect); ++ return; ++ } ++ if (in_interrupt() || in_atomic()) { ++ /* ++ * Catch case when we're shutting down. ++ */ ++ cfb_fillrect(info, rect); ++ return; ++ } ++ psbfb_fillrect_accel(info, rect); ++} ++ ++uint32_t psb_accel_2d_copy_direction(int xdir, int ydir) ++{ ++ if (xdir < 0) ++ return ((ydir < ++ 0) ? PSB_2D_COPYORDER_BR2TL : PSB_2D_COPYORDER_TR2BL); ++ else ++ return ((ydir < ++ 0) ? PSB_2D_COPYORDER_BL2TR : PSB_2D_COPYORDER_TL2BR); ++} ++ ++/* ++ * @srcOffset in bytes ++ * @srcStride in bytes ++ * @srcFormat psb 2D format defines ++ * @dstOffset in bytes ++ * @dstStride in bytes ++ * @dstFormat psb 2D format defines ++ * @srcX offset in pixels ++ * @srcY offset in pixels ++ * @dstX offset in pixels ++ * @dstY offset in pixels ++ * @sizeX of the copied area ++ * @sizeY of the copied area ++ */ ++static int psb_accel_2d_copy(struct drm_psb_private *dev_priv, ++ uint32_t src_offset, uint32_t src_stride, ++ uint32_t src_format, uint32_t dst_offset, ++ uint32_t dst_stride, uint32_t dst_format, ++ uint16_t src_x, uint16_t src_y, uint16_t dst_x, ++ uint16_t dst_y, uint16_t size_x, uint16_t size_y) ++{ ++ uint32_t blit_cmd; ++ uint32_t buffer[10]; ++ uint32_t *buf; ++ uint32_t direction; ++ int ret; ++ ++ buf = buffer; ++ ++ direction = psb_accel_2d_copy_direction(src_x - dst_x, src_y - dst_y); ++ ++ if (direction == PSB_2D_COPYORDER_BR2TL || ++ direction == PSB_2D_COPYORDER_TR2BL) { ++ src_x += size_x - 1; ++ dst_x += size_x - 1; ++ } ++ if (direction == PSB_2D_COPYORDER_BR2TL || ++ direction == PSB_2D_COPYORDER_BL2TR) { ++ src_y += size_y - 1; ++ dst_y += size_y - 1; ++ } ++ ++ blit_cmd = ++ PSB_2D_BLIT_BH | ++ PSB_2D_ROT_NONE | ++ PSB_2D_DSTCK_DISABLE | ++ PSB_2D_SRCCK_DISABLE | ++ PSB_2D_USE_PAT | PSB_2D_ROP3_SRCCOPY | direction; ++ ++ *buf++ = PSB_2D_FENCE_BH; ++ *buf++ = ++ PSB_2D_DST_SURF_BH | dst_format | (dst_stride << ++ PSB_2D_DST_STRIDE_SHIFT); ++ *buf++ = dst_offset; ++ *buf++ = ++ PSB_2D_SRC_SURF_BH | src_format | (src_stride << ++ PSB_2D_SRC_STRIDE_SHIFT); ++ *buf++ = src_offset; ++ *buf++ = ++ PSB_2D_SRC_OFF_BH | (src_x << PSB_2D_SRCOFF_XSTART_SHIFT) | (src_y ++ << ++ PSB_2D_SRCOFF_YSTART_SHIFT); ++ *buf++ = blit_cmd; ++ *buf++ = ++ (dst_x << PSB_2D_DST_XSTART_SHIFT) | (dst_y << ++ PSB_2D_DST_YSTART_SHIFT); ++ *buf++ = ++ (size_x << PSB_2D_DST_XSIZE_SHIFT) | (size_y << ++ PSB_2D_DST_YSIZE_SHIFT); ++ *buf++ = PSB_2D_FLUSH_BH; ++ ++ psb_2d_lock(dev_priv); ++ ret = psb_2d_submit(dev_priv, buffer, buf - buffer); ++ psb_2d_unlock(dev_priv); ++ return ret; ++} ++ ++static void psbfb_copyarea_accel(struct fb_info *info, ++ const struct fb_copyarea *a) ++{ ++ struct psbfb_par *par = info->par; ++ struct drm_framebuffer *fb = par->crtc->fb; ++ struct drm_psb_private *dev_priv = par->dev->dev_private; ++ uint32_t offset; ++ uint32_t stride; ++ uint32_t src_format; ++ uint32_t dst_format; ++ ++ if (!fb) ++ return; ++ ++ offset = fb->offset; ++ stride = fb->pitch; ++ ++ if (a->width == 8 || a->height == 8) { ++ psb_2d_lock(dev_priv); ++ psb_idle_2d(par->dev); ++ psb_2d_unlock(dev_priv); ++ cfb_copyarea(info, a); ++ return; ++ } ++ ++ switch (fb->depth) { ++ case 8: ++ src_format = PSB_2D_SRC_332RGB; ++ dst_format = PSB_2D_DST_332RGB; ++ break; ++ case 15: ++ src_format = PSB_2D_SRC_555RGB; ++ dst_format = PSB_2D_DST_555RGB; ++ break; ++ case 16: ++ src_format = PSB_2D_SRC_565RGB; ++ dst_format = PSB_2D_DST_565RGB; ++ break; ++ case 24: ++ case 32: ++ /* this is wrong but since we don't do blending its okay */ ++ src_format = PSB_2D_SRC_8888ARGB; ++ dst_format = PSB_2D_DST_8888ARGB; ++ break; ++ default: ++ /* software fallback */ ++ cfb_copyarea(info, a); ++ return; ++ } ++ ++ psb_accel_2d_copy(dev_priv, ++ offset, stride, src_format, ++ offset, stride, dst_format, ++ a->sx, a->sy, a->dx, a->dy, a->width, a->height); ++} ++ ++static void psbfb_copyarea(struct fb_info *info, ++ const struct fb_copyarea *region) ++{ ++ if (info->state != FBINFO_STATE_RUNNING) ++ return; ++ if (info->flags & FBINFO_HWACCEL_DISABLED) { ++ cfb_copyarea(info, region); ++ return; ++ } ++ if (in_interrupt() || in_atomic()) { ++ /* ++ * Catch case when we're shutting down. ++ */ ++ cfb_copyarea(info, region); ++ return; ++ } ++ ++ psbfb_copyarea_accel(info, region); ++} ++ ++void psbfb_imageblit(struct fb_info *info, const struct fb_image *image) ++{ ++ if (info->state != FBINFO_STATE_RUNNING) ++ return; ++ if (info->flags & FBINFO_HWACCEL_DISABLED) { ++ cfb_imageblit(info, image); ++ return; ++ } ++ if (in_interrupt() || in_atomic()) { ++ cfb_imageblit(info, image); ++ return; ++ } ++ ++ cfb_imageblit(info, image); ++} ++ ++static int psbfb_blank(int blank_mode, struct fb_info *info) ++{ ++ int dpms_mode; ++ struct psbfb_par *par = info->par; ++ struct drm_connector *output; ++ struct drm_crtc_helper_funcs *crtc_funcs; ++ ++ par->dpms_state = blank_mode; ++ ++ switch(blank_mode) { ++ case FB_BLANK_UNBLANK: ++ dpms_mode = DRM_MODE_DPMS_ON; ++ break; ++ case FB_BLANK_NORMAL: ++ if (!par->crtc) ++ return 0; ++ crtc_funcs = par->crtc->helper_private; ++ ++ (*crtc_funcs->dpms)(par->crtc, DRM_MODE_DPMS_STANDBY); ++ return 0; ++ case FB_BLANK_HSYNC_SUSPEND: ++ default: ++ dpms_mode = DRM_MODE_DPMS_STANDBY; ++ break; ++ case FB_BLANK_VSYNC_SUSPEND: ++ dpms_mode = DRM_MODE_DPMS_SUSPEND; ++ break; ++ case FB_BLANK_POWERDOWN: ++ dpms_mode = DRM_MODE_DPMS_OFF; ++ break; ++ } ++ ++ if (!par->crtc) ++ return 0; ++ ++ crtc_funcs = par->crtc->helper_private; ++ ++ list_for_each_entry(output, &par->dev->mode_config.connector_list, head) { ++ if (output->encoder->crtc == par->crtc) ++ (*output->funcs->dpms)(output, dpms_mode); ++ } ++ ++ return 0; ++} ++ ++ ++static int psbfb_kms_off(struct drm_device *dev, int suspend) ++{ ++ struct drm_framebuffer *fb = 0; ++ struct drm_buffer_object *bo = 0; ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ int ret = 0; ++ ++ DRM_DEBUG("psbfb_kms_off_ioctl\n"); ++ ++ mutex_lock(&dev->mode_config.mutex); ++ list_for_each_entry(fb, &dev->mode_config.fb_list, head) { ++ struct fb_info *info = fb->fbdev; ++ struct psbfb_par *par = info->par; ++ int save_dpms_state; ++ ++ if (suspend) ++ fb_set_suspend(info, 1); ++ else ++ info->state &= ~FBINFO_STATE_RUNNING; ++ ++ info->screen_base = NULL; ++ ++ bo = fb->bo; ++ ++ if (!bo) ++ continue; ++ ++ drm_bo_kunmap(&fb->kmap); ++ ++ /* ++ * We don't take the 2D lock here as we assume that the ++ * 2D engine will eventually idle anyway. ++ */ ++ ++ if (!suspend) { ++ uint32_t dummy2 = 0; ++ (void) psb_fence_emit_sequence(dev, PSB_ENGINE_2D, 0, ++ &dummy2, &dummy2); ++ psb_2d_lock(dev_priv); ++ (void)psb_idle_2d(dev); ++ psb_2d_unlock(dev_priv); ++ } else ++ psb_idle_2d(dev); ++ ++ save_dpms_state = par->dpms_state; ++ psbfb_blank(FB_BLANK_NORMAL, info); ++ par->dpms_state = save_dpms_state; ++ ++ ret = psbfb_move_fb_bo(info, bo, DRM_BO_FLAG_MEM_LOCAL); ++ ++ if (ret) ++ goto out_err; ++ } ++ out_err: ++ mutex_unlock(&dev->mode_config.mutex); ++ ++ return ret; ++} ++ ++int psbfb_kms_off_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv) ++{ ++ int ret; ++ ++ acquire_console_sem(); ++ ret = psbfb_kms_off(dev, 0); ++ release_console_sem(); ++ ++ return ret; ++} ++ ++static int psbfb_kms_on(struct drm_device *dev, int resume) ++{ ++ struct drm_framebuffer *fb = 0; ++ struct drm_buffer_object *bo = 0; ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ int ret = 0; ++ int dummy; ++ ++ DRM_DEBUG("psbfb_kms_on_ioctl\n"); ++ ++ if (!resume) { ++ uint32_t dummy2 = 0; ++ (void) psb_fence_emit_sequence(dev, PSB_ENGINE_2D, 0, ++ &dummy2, &dummy2); ++ psb_2d_lock(dev_priv); ++ (void)psb_idle_2d(dev); ++ psb_2d_unlock(dev_priv); ++ } else ++ psb_idle_2d(dev); ++ ++ mutex_lock(&dev->mode_config.mutex); ++ list_for_each_entry(fb, &dev->mode_config.fb_list, head) { ++ struct fb_info *info = fb->fbdev; ++ struct psbfb_par *par = info->par; ++ ++ bo = fb->bo; ++ if (!bo) ++ continue; ++ ++ ret = psbfb_move_fb_bo(info, bo, ++ DRM_BO_FLAG_MEM_TT | ++ DRM_BO_FLAG_MEM_VRAM | ++ DRM_BO_FLAG_NO_EVICT); ++ if (ret) ++ goto out_err; ++ ++ ret = drm_bo_kmap(bo, 0, bo->num_pages, &fb->kmap); ++ if (ret) ++ goto out_err; ++ ++ info->screen_base = drm_bmo_virtual(&fb->kmap, &dummy); ++ fb->offset = bo->offset - dev_priv->pg->gatt_start; ++ ++ if (ret) ++ goto out_err; ++ ++ if (resume) ++ fb_set_suspend(info, 0); ++ else ++ info->state |= FBINFO_STATE_RUNNING; ++ ++ /* ++ * Re-run modesetting here, since the VDS scanout offset may ++ * have changed. ++ */ ++ ++ if (par->crtc->enabled) { ++ psbfb_set_par(info); ++ psbfb_blank(par->dpms_state, info); ++ } ++ } ++ out_err: ++ mutex_unlock(&dev->mode_config.mutex); ++ ++ return ret; ++} ++ ++int psbfb_kms_on_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv) ++{ ++ int ret; ++ ++ acquire_console_sem(); ++ ret = psbfb_kms_on(dev, 0); ++ release_console_sem(); ++ ++ drm_helper_disable_unused_functions(dev); ++ ++ return ret; ++} ++ ++void psbfb_suspend(struct drm_device *dev) ++{ ++ acquire_console_sem(); ++ psbfb_kms_off(dev, 1); ++ release_console_sem(); ++} ++ ++void psbfb_resume(struct drm_device *dev) ++{ ++ acquire_console_sem(); ++ psbfb_kms_on(dev, 1); ++ release_console_sem(); ++ ++ drm_helper_disable_unused_functions(dev); ++} ++ ++/* ++ * FIXME: Before kernel inclusion, migrate nopfn to fault. ++ * Also, these should be the default vm ops for buffer object type fbs. ++ */ ++ ++extern unsigned long drm_bo_vm_fault(struct vm_area_struct *vma, ++ struct vm_fault *vmf); ++ ++/* ++ * This wrapper is a bit ugly and is here because we need access to a mutex ++ * that we can lock both around nopfn and around unmap_mapping_range + move. ++ * Normally, this would've been done using the bo mutex, but unfortunately ++ * we cannot lock it around drm_bo_do_validate(), since that would imply ++ * recursive locking. ++ */ ++ ++static int psbfb_fault(struct vm_area_struct *vma, ++ struct vm_fault *vmf) ++{ ++ struct psbfb_vm_info *vi = (struct psbfb_vm_info *)vma->vm_private_data; ++ struct vm_area_struct tmp_vma; ++ int ret; ++ ++ mutex_lock(&vi->vm_mutex); ++ tmp_vma = *vma; ++ tmp_vma.vm_private_data = vi->bo; ++ ret = drm_bo_vm_fault(&tmp_vma, vmf); ++ mutex_unlock(&vi->vm_mutex); ++ return ret; ++} ++ ++static void psbfb_vm_open(struct vm_area_struct *vma) ++{ ++ struct psbfb_vm_info *vi = (struct psbfb_vm_info *)vma->vm_private_data; ++ ++ atomic_inc(&vi->refcount); ++} ++ ++static void psbfb_vm_close(struct vm_area_struct *vma) ++{ ++ psbfb_vm_info_deref((struct psbfb_vm_info **)&vma->vm_private_data); ++} ++ ++static struct vm_operations_struct psbfb_vm_ops = { ++ .fault = psbfb_fault, ++ .open = psbfb_vm_open, ++ .close = psbfb_vm_close, ++}; ++ ++static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma) ++{ ++ struct psbfb_par *par = info->par; ++ struct drm_framebuffer *fb = par->crtc->fb; ++ struct drm_buffer_object *bo = fb->bo; ++ unsigned long size = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; ++ unsigned long offset = vma->vm_pgoff; ++ ++ if (vma->vm_pgoff != 0) ++ return -EINVAL; ++ if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) ++ return -EINVAL; ++ if (offset + size > bo->num_pages) ++ return -EINVAL; ++ ++ mutex_lock(&par->vi->vm_mutex); ++ if (!par->vi->f_mapping) ++ par->vi->f_mapping = vma->vm_file->f_mapping; ++ mutex_unlock(&par->vi->vm_mutex); ++ ++ vma->vm_private_data = psbfb_vm_info_ref(par->vi); ++ ++ vma->vm_ops = &psbfb_vm_ops; ++ vma->vm_flags |= VM_PFNMAP; ++ ++ return 0; ++} ++ ++int psbfb_sync(struct fb_info *info) ++{ ++ struct psbfb_par *par = info->par; ++ struct drm_psb_private *dev_priv = par->dev->dev_private; ++ ++ psb_2d_lock(dev_priv); ++ psb_idle_2d(par->dev); ++ psb_2d_unlock(dev_priv); ++ ++ return 0; ++} ++ ++static struct fb_ops psbfb_ops = { ++ .owner = THIS_MODULE, ++ .fb_check_var = psbfb_check_var, ++ .fb_set_par = psbfb_set_par, ++ .fb_setcolreg = psbfb_setcolreg, ++ .fb_fillrect = psbfb_fillrect, ++ .fb_copyarea = psbfb_copyarea, ++ .fb_imageblit = psbfb_imageblit, ++ .fb_mmap = psbfb_mmap, ++ .fb_sync = psbfb_sync, ++ .fb_blank = psbfb_blank, ++}; ++ ++static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb) ++{ ++ drm_framebuffer_cleanup(fb); ++ kfree(fb); ++} ++ ++static const struct drm_framebuffer_funcs psb_fb_funcs = { ++ .destroy = psb_user_framebuffer_destroy, ++}; ++ ++int psbfb_probe(struct drm_device *dev, struct drm_crtc *crtc) ++{ ++ struct fb_info *info; ++ struct psbfb_par *par; ++ struct device *device = &dev->pdev->dev; ++ struct drm_framebuffer *fb; ++ struct drm_display_mode *mode = crtc->desired_mode; ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ struct drm_buffer_object *fbo = NULL; ++ int ret; ++ int is_iomem; ++ ++ if (drm_psb_no_fb) { ++ /* need to do this as the DRM will disable the output */ ++ crtc->enabled = 1; ++ return 0; ++ } ++ ++ fb = kzalloc(sizeof(struct drm_framebuffer), GFP_KERNEL); ++ if (!fb) ++ return -ENOMEM; ++ ++ ++ ret = drm_framebuffer_init(dev, fb, &psb_fb_funcs); ++ if (!fb) { ++ DRM_ERROR("failed to allocate fb.\n"); ++ return -ENOMEM; ++ } ++ crtc->fb = fb; ++ ++ fb->width = mode->hdisplay; ++ fb->height = mode->vdisplay; ++ ++ fb->bits_per_pixel = 32; ++ fb->depth = 24; ++ fb->pitch = ++ ((fb->width * ((fb->bits_per_pixel + 1) / 8)) + 0x3f) & ~0x3f; ++ ++ info = framebuffer_alloc(sizeof(struct psbfb_par), device); ++ if (!info) { ++ kfree(fb); ++ return -ENOMEM; ++ } ++ ++ ret = drm_buffer_object_create(dev, ++ fb->pitch * fb->height, ++ drm_bo_type_kernel, ++ DRM_BO_FLAG_READ | ++ DRM_BO_FLAG_WRITE | ++ DRM_BO_FLAG_MEM_TT | ++ DRM_BO_FLAG_MEM_VRAM | ++ DRM_BO_FLAG_NO_EVICT, ++ DRM_BO_HINT_DONT_FENCE, 0, 0, &fbo); ++ if (ret || !fbo) { ++ DRM_ERROR("failed to allocate framebuffer\n"); ++ goto out_err0; ++ } ++ ++ fb->offset = fbo->offset - dev_priv->pg->gatt_start; ++ fb->bo = fbo; ++ DRM_DEBUG("allocated %dx%d fb: 0x%08lx, bo %p\n", fb->width, ++ fb->height, fb->offset, fbo); ++ ++ fb->fbdev = info; ++ ++ par = info->par; ++ ++ par->dev = dev; ++ par->crtc = crtc; ++ par->vi = psbfb_vm_info_create(); ++ if (!par->vi) ++ goto out_err1; ++ ++ mutex_lock(&dev->struct_mutex); ++ par->vi->bo = fbo; ++ atomic_inc(&fbo->usage); ++ mutex_unlock(&dev->struct_mutex); ++ ++ par->vi->f_mapping = NULL; ++ info->fbops = &psbfb_ops; ++ ++ strcpy(info->fix.id, "psbfb"); ++ info->fix.type = FB_TYPE_PACKED_PIXELS; ++ info->fix.visual = FB_VISUAL_DIRECTCOLOR; ++ info->fix.type_aux = 0; ++ info->fix.xpanstep = 1; ++ info->fix.ypanstep = 1; ++ info->fix.ywrapstep = 0; ++ info->fix.accel = FB_ACCEL_NONE; /* ??? */ ++ info->fix.type_aux = 0; ++ info->fix.mmio_start = 0; ++ info->fix.mmio_len = 0; ++ info->fix.line_length = fb->pitch; ++ info->fix.smem_start = dev->mode_config.fb_base + fb->offset; ++ info->fix.smem_len = info->fix.line_length * fb->height; ++ ++ info->flags = FBINFO_DEFAULT | ++ FBINFO_PARTIAL_PAN_OK /*| FBINFO_MISC_ALWAYS_SETPAR */ ; ++ ++ ret = drm_bo_kmap(fb->bo, 0, fb->bo->num_pages, &fb->kmap); ++ if (ret) { ++ DRM_ERROR("error mapping fb: %d\n", ret); ++ goto out_err2; ++ } ++ ++ info->screen_base = drm_bmo_virtual(&fb->kmap, &is_iomem); ++ memset(info->screen_base, 0x00, fb->pitch*fb->height); ++ info->screen_size = info->fix.smem_len; /* FIXME */ ++ info->pseudo_palette = fb->pseudo_palette; ++ info->var.xres_virtual = fb->width; ++ info->var.yres_virtual = fb->height; ++ info->var.bits_per_pixel = fb->bits_per_pixel; ++ info->var.xoffset = 0; ++ info->var.yoffset = 0; ++ info->var.activate = FB_ACTIVATE_NOW; ++ info->var.height = -1; ++ info->var.width = -1; ++ info->var.vmode = FB_VMODE_NONINTERLACED; ++ ++ info->var.xres = mode->hdisplay; ++ info->var.right_margin = mode->hsync_start - mode->hdisplay; ++ info->var.hsync_len = mode->hsync_end - mode->hsync_start; ++ info->var.left_margin = mode->htotal - mode->hsync_end; ++ info->var.yres = mode->vdisplay; ++ info->var.lower_margin = mode->vsync_start - mode->vdisplay; ++ info->var.vsync_len = mode->vsync_end - mode->vsync_start; ++ info->var.upper_margin = mode->vtotal - mode->vsync_end; ++ info->var.pixclock = 10000000 / mode->htotal * 1000 / ++ mode->vtotal * 100; ++ /* avoid overflow */ ++ info->var.pixclock = info->var.pixclock * 1000 / mode->vrefresh; ++ ++ info->pixmap.size = 64 * 1024; ++ info->pixmap.buf_align = 8; ++ info->pixmap.access_align = 32; ++ info->pixmap.flags = FB_PIXMAP_SYSTEM; ++ info->pixmap.scan_align = 1; ++ ++ DRM_DEBUG("fb depth is %d\n", fb->depth); ++ DRM_DEBUG(" pitch is %d\n", fb->pitch); ++ switch (fb->depth) { ++ case 8: ++ info->var.red.offset = 0; ++ info->var.green.offset = 0; ++ info->var.blue.offset = 0; ++ info->var.red.length = 8; /* 8bit DAC */ ++ info->var.green.length = 8; ++ info->var.blue.length = 8; ++ info->var.transp.offset = 0; ++ info->var.transp.length = 0; ++ break; ++ case 15: ++ info->var.red.offset = 10; ++ info->var.green.offset = 5; ++ info->var.blue.offset = 0; ++ info->var.red.length = info->var.green.length = ++ info->var.blue.length = 5; ++ info->var.transp.offset = 15; ++ info->var.transp.length = 1; ++ break; ++ case 16: ++ info->var.red.offset = 11; ++ info->var.green.offset = 5; ++ info->var.blue.offset = 0; ++ info->var.red.length = 5; ++ info->var.green.length = 6; ++ info->var.blue.length = 5; ++ info->var.transp.offset = 0; ++ break; ++ case 24: ++ info->var.red.offset = 16; ++ info->var.green.offset = 8; ++ info->var.blue.offset = 0; ++ info->var.red.length = info->var.green.length = ++ info->var.blue.length = 8; ++ info->var.transp.offset = 0; ++ info->var.transp.length = 0; ++ break; ++ case 32: ++ info->var.red.offset = 16; ++ info->var.green.offset = 8; ++ info->var.blue.offset = 0; ++ info->var.red.length = info->var.green.length = ++ info->var.blue.length = 8; ++ info->var.transp.offset = 24; ++ info->var.transp.length = 8; ++ break; ++ default: ++ break; ++ } ++ ++ if (register_framebuffer(info) < 0) ++ goto out_err3; ++ ++ if (psbfb_check_var(&info->var, info) < 0) ++ goto out_err4; ++ ++ psbfb_set_par(info); ++ ++ DRM_INFO("fb%d: %s frame buffer device\n", info->node, info->fix.id); ++ ++ return 0; ++ out_err4: ++ unregister_framebuffer(info); ++ out_err3: ++ drm_bo_kunmap(&fb->kmap); ++ out_err2: ++ psbfb_vm_info_deref(&par->vi); ++ out_err1: ++ drm_bo_usage_deref_unlocked(&fb->bo); ++ out_err0: ++ drm_framebuffer_cleanup(fb); ++ framebuffer_release(info); ++ crtc->fb = NULL; ++ return -EINVAL; ++} ++ ++EXPORT_SYMBOL(psbfb_probe); ++ ++int psbfb_remove(struct drm_device *dev, struct drm_crtc *crtc) ++{ ++ struct drm_framebuffer *fb; ++ struct fb_info *info; ++ struct psbfb_par *par; ++ ++ if (drm_psb_no_fb) ++ return 0; ++ ++ fb = crtc->fb; ++ info = fb->fbdev; ++ ++ if (info) { ++ unregister_framebuffer(info); ++ drm_bo_kunmap(&fb->kmap); ++ par = info->par; ++ if (par) ++ psbfb_vm_info_deref(&par->vi); ++ drm_bo_usage_deref_unlocked(&fb->bo); ++ drm_framebuffer_cleanup(fb); ++ framebuffer_release(info); ++ } ++ return 0; ++} ++ ++EXPORT_SYMBOL(psbfb_remove); ++ +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_fence.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_fence.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,285 @@ ++/************************************************************************** ++ * Copyright (c) 2007, Intel Corporation. ++ * All Rights Reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms and conditions of the GNU General Public License, ++ * version 2, as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ * ++ * You should have received a copy of the GNU General Public License along with ++ * this program; if not, write to the Free Software Foundation, Inc., ++ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to ++ * develop this driver. ++ * ++ **************************************************************************/ ++/* ++ * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com> ++ */ ++ ++#include "drmP.h" ++#include "psb_drv.h" ++ ++static void psb_poll_ta(struct drm_device *dev, uint32_t waiting_types) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ struct drm_fence_driver *driver = dev->driver->fence_driver; ++ uint32_t cur_flag = 1; ++ uint32_t flags = 0; ++ uint32_t sequence = 0; ++ uint32_t remaining = 0xFFFFFFFF; ++ uint32_t diff; ++ ++ struct psb_scheduler *scheduler; ++ struct psb_scheduler_seq *seq; ++ struct drm_fence_class_manager *fc = ++ &dev->fm.fence_class[PSB_ENGINE_TA]; ++ ++ if (unlikely(!dev_priv)) ++ return; ++ ++ scheduler = &dev_priv->scheduler; ++ seq = scheduler->seq; ++ ++ while (likely(waiting_types & remaining)) { ++ if (!(waiting_types & cur_flag)) ++ goto skip; ++ if (seq->reported) ++ goto skip; ++ if (flags == 0) ++ sequence = seq->sequence; ++ else if (sequence != seq->sequence) { ++ drm_fence_handler(dev, PSB_ENGINE_TA, ++ sequence, flags, 0); ++ sequence = seq->sequence; ++ flags = 0; ++ } ++ flags |= cur_flag; ++ ++ /* ++ * Sequence may not have ended up on the ring yet. ++ * In that case, report it but don't mark it as ++ * reported. A subsequent poll will report it again. ++ */ ++ ++ diff = (fc->latest_queued_sequence - sequence) & ++ driver->sequence_mask; ++ if (diff < driver->wrap_diff) ++ seq->reported = 1; ++ ++ skip: ++ cur_flag <<= 1; ++ remaining <<= 1; ++ seq++; ++ } ++ ++ if (flags) { ++ drm_fence_handler(dev, PSB_ENGINE_TA, sequence, flags, 0); ++ } ++} ++ ++static void psb_poll_other(struct drm_device *dev, uint32_t fence_class, ++ uint32_t waiting_types) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ struct drm_fence_manager *fm = &dev->fm; ++ struct drm_fence_class_manager *fc = &fm->fence_class[fence_class]; ++ uint32_t sequence; ++ ++ if (unlikely(!dev_priv)) ++ return; ++ ++ if (waiting_types) { ++ if (fence_class == PSB_ENGINE_VIDEO) ++ sequence = dev_priv->msvdx_current_sequence; ++ else ++ sequence = dev_priv->comm[fence_class << 4]; ++ ++ drm_fence_handler(dev, fence_class, sequence, ++ DRM_FENCE_TYPE_EXE, 0); ++ ++ switch (fence_class) { ++ case PSB_ENGINE_2D: ++ if (dev_priv->fence0_irq_on && !fc->waiting_types) { ++ psb_2D_irq_off(dev_priv); ++ dev_priv->fence0_irq_on = 0; ++ } else if (!dev_priv->fence0_irq_on ++ && fc->waiting_types) { ++ psb_2D_irq_on(dev_priv); ++ dev_priv->fence0_irq_on = 1; ++ } ++ break; ++#if 0 ++ /* ++ * FIXME: MSVDX irq switching ++ */ ++ ++ case PSB_ENGINE_VIDEO: ++ if (dev_priv->fence2_irq_on && !fc->waiting_types) { ++ psb_msvdx_irq_off(dev_priv); ++ dev_priv->fence2_irq_on = 0; ++ } else if (!dev_priv->fence2_irq_on ++ && fc->pending_exe_flush) { ++ psb_msvdx_irq_on(dev_priv); ++ dev_priv->fence2_irq_on = 1; ++ } ++ break; ++#endif ++ default: ++ return; ++ } ++ } ++} ++ ++static void psb_fence_poll(struct drm_device *dev, ++ uint32_t fence_class, uint32_t waiting_types) ++{ ++ switch (fence_class) { ++ case PSB_ENGINE_TA: ++ psb_poll_ta(dev, waiting_types); ++ break; ++ default: ++ psb_poll_other(dev, fence_class, waiting_types); ++ break; ++ } ++} ++ ++void psb_fence_error(struct drm_device *dev, ++ uint32_t fence_class, ++ uint32_t sequence, uint32_t type, int error) ++{ ++ struct drm_fence_manager *fm = &dev->fm; ++ unsigned long irq_flags; ++ ++ BUG_ON(fence_class >= PSB_NUM_ENGINES); ++ write_lock_irqsave(&fm->lock, irq_flags); ++ drm_fence_handler(dev, fence_class, sequence, type, error); ++ write_unlock_irqrestore(&fm->lock, irq_flags); ++} ++ ++int psb_fence_emit_sequence(struct drm_device *dev, uint32_t fence_class, ++ uint32_t flags, uint32_t * sequence, ++ uint32_t * native_type) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ uint32_t seq = 0; ++ int ret; ++ ++ if (!dev_priv) ++ return -EINVAL; ++ ++ if (fence_class >= PSB_NUM_ENGINES) ++ return -EINVAL; ++ ++ switch (fence_class) { ++ case PSB_ENGINE_2D: ++ spin_lock(&dev_priv->sequence_lock); ++ seq = ++dev_priv->sequence[fence_class]; ++ spin_unlock(&dev_priv->sequence_lock); ++ ret = psb_blit_sequence(dev_priv, seq); ++ if (ret) ++ return ret; ++ break; ++ case PSB_ENGINE_VIDEO: ++ spin_lock(&dev_priv->sequence_lock); ++ seq = ++dev_priv->sequence[fence_class]; ++ spin_unlock(&dev_priv->sequence_lock); ++ break; ++ default: ++ spin_lock(&dev_priv->sequence_lock); ++ seq = dev_priv->sequence[fence_class]; ++ spin_unlock(&dev_priv->sequence_lock); ++ } ++ ++ *sequence = seq; ++ *native_type = DRM_FENCE_TYPE_EXE; ++ ++ return 0; ++} ++ ++uint32_t psb_fence_advance_sequence(struct drm_device * dev, ++ uint32_t fence_class) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ uint32_t sequence; ++ ++ spin_lock(&dev_priv->sequence_lock); ++ sequence = ++dev_priv->sequence[fence_class]; ++ spin_unlock(&dev_priv->sequence_lock); ++ ++ return sequence; ++} ++ ++void psb_fence_handler(struct drm_device *dev, uint32_t fence_class) ++{ ++ struct drm_fence_manager *fm = &dev->fm; ++ struct drm_fence_class_manager *fc = &fm->fence_class[fence_class]; ++ ++#ifdef FIX_TG_16 ++ if (fence_class == 0) { ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ ++ if ((atomic_read(&dev_priv->ta_wait_2d_irq) == 1) && ++ (PSB_RSGX32(PSB_CR_2D_SOCIF) == _PSB_C2_SOCIF_EMPTY) && ++ ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) & ++ _PSB_C2B_STATUS_BUSY) == 0)) ++ psb_resume_ta_2d_idle(dev_priv); ++ } ++#endif ++ write_lock(&fm->lock); ++ psb_fence_poll(dev, fence_class, fc->waiting_types); ++ write_unlock(&fm->lock); ++} ++ ++static int psb_fence_wait(struct drm_fence_object *fence, ++ int lazy, int interruptible, uint32_t mask) ++{ ++ struct drm_device *dev = fence->dev; ++ struct drm_fence_class_manager *fc = ++ &dev->fm.fence_class[fence->fence_class]; ++ int ret = 0; ++ unsigned long timeout = DRM_HZ * ++ ((fence->fence_class == PSB_ENGINE_TA) ? 30 : 3); ++ ++ drm_fence_object_flush(fence, mask); ++ if (interruptible) ++ ret = wait_event_interruptible_timeout ++ (fc->fence_queue, drm_fence_object_signaled(fence, mask), ++ timeout); ++ else ++ ret = wait_event_timeout ++ (fc->fence_queue, drm_fence_object_signaled(fence, mask), ++ timeout); ++ ++ if (unlikely(ret == -ERESTARTSYS)) ++ return -EAGAIN; ++ ++ if (unlikely(ret == 0)) ++ return -EBUSY; ++ ++ return 0; ++} ++ ++struct drm_fence_driver psb_fence_driver = { ++ .num_classes = PSB_NUM_ENGINES, ++ .wrap_diff = (1 << 30), ++ .flush_diff = (1 << 29), ++ .sequence_mask = 0xFFFFFFFFU, ++ .has_irq = NULL, ++ .emit = psb_fence_emit_sequence, ++ .flush = NULL, ++ .poll = psb_fence_poll, ++ .needed_flush = NULL, ++ .wait = psb_fence_wait ++}; +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_gtt.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_gtt.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,253 @@ ++/************************************************************************** ++ * Copyright (c) 2007, Intel Corporation. ++ * All Rights Reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms and conditions of the GNU General Public License, ++ * version 2, as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ * ++ * You should have received a copy of the GNU General Public License along with ++ * this program; if not, write to the Free Software Foundation, Inc., ++ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to ++ * develop this driver. ++ * ++ **************************************************************************/ ++/* ++ * Authors: Thomas Hellstrom <thomas-at-tungstengraphics.com> ++ */ ++#include "drmP.h" ++#include "psb_drv.h" ++ ++static inline uint32_t psb_gtt_mask_pte(uint32_t pfn, int type) ++{ ++ uint32_t mask = PSB_PTE_VALID; ++ ++ if (type & PSB_MMU_CACHED_MEMORY) ++ mask |= PSB_PTE_CACHED; ++ if (type & PSB_MMU_RO_MEMORY) ++ mask |= PSB_PTE_RO; ++ if (type & PSB_MMU_WO_MEMORY) ++ mask |= PSB_PTE_WO; ++ ++ return (pfn << PAGE_SHIFT) | mask; ++} ++ ++struct psb_gtt *psb_gtt_alloc(struct drm_device *dev) ++{ ++ struct psb_gtt *tmp = drm_calloc(1, sizeof(*tmp), DRM_MEM_DRIVER); ++ ++ if (!tmp) ++ return NULL; ++ ++ init_rwsem(&tmp->sem); ++ tmp->dev = dev; ++ ++ return tmp; ++} ++ ++void psb_gtt_takedown(struct psb_gtt *pg, int free) ++{ ++ struct drm_psb_private *dev_priv = pg->dev->dev_private; ++ ++ if (!pg) ++ return; ++ ++ if (pg->gtt_map) { ++ iounmap(pg->gtt_map); ++ pg->gtt_map = NULL; ++ } ++ if (pg->initialized) { ++ pci_write_config_word(pg->dev->pdev, PSB_GMCH_CTRL, ++ pg->gmch_ctrl); ++ PSB_WVDC32(pg->pge_ctl, PSB_PGETBL_CTL); ++ (void)PSB_RVDC32(PSB_PGETBL_CTL); ++ } ++ if (free) ++ drm_free(pg, sizeof(*pg), DRM_MEM_DRIVER); ++} ++ ++int psb_gtt_init(struct psb_gtt *pg, int resume) ++{ ++ struct drm_device *dev = pg->dev; ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ unsigned gtt_pages; ++ unsigned long stolen_size; ++ unsigned i, num_pages; ++ unsigned pfn_base; ++ ++ int ret = 0; ++ uint32_t pte; ++ ++ printk(KERN_ERR "Bar A1\n"); ++ ++ pci_read_config_word(dev->pdev, PSB_GMCH_CTRL, &pg->gmch_ctrl); ++ pci_write_config_word(dev->pdev, PSB_GMCH_CTRL, ++ pg->gmch_ctrl | _PSB_GMCH_ENABLED); ++ ++ printk(KERN_ERR "Bar A2\n"); ++ ++ pg->pge_ctl = PSB_RVDC32(PSB_PGETBL_CTL); ++ PSB_WVDC32(pg->pge_ctl | _PSB_PGETBL_ENABLED, PSB_PGETBL_CTL); ++ (void)PSB_RVDC32(PSB_PGETBL_CTL); ++ ++ printk(KERN_ERR "Bar A3\n"); ++ ++ pg->initialized = 1; ++ ++ pg->gtt_phys_start = pg->pge_ctl & PAGE_MASK; ++ pg->gatt_start = pci_resource_start(dev->pdev, PSB_GATT_RESOURCE); ++ pg->gtt_start = pci_resource_start(dev->pdev, PSB_GTT_RESOURCE); ++ gtt_pages = pci_resource_len(dev->pdev, PSB_GTT_RESOURCE) >> PAGE_SHIFT; ++ pg->gatt_pages = pci_resource_len(dev->pdev, PSB_GATT_RESOURCE) ++ >> PAGE_SHIFT; ++ ++ printk(KERN_ERR "Bar A4\n"); ++ pci_read_config_dword(dev->pdev, PSB_BSM, &pg->stolen_base); ++ stolen_size = pg->gtt_phys_start - pg->stolen_base - PAGE_SIZE; ++ ++ printk(KERN_ERR "Bar A5\n"); ++ ++ PSB_DEBUG_INIT("GTT phys start: 0x%08x.\n", pg->gtt_phys_start); ++ PSB_DEBUG_INIT("GTT start: 0x%08x.\n", pg->gtt_start); ++ PSB_DEBUG_INIT("GATT start: 0x%08x.\n", pg->gatt_start); ++ PSB_DEBUG_INIT("GTT pages: %u\n", gtt_pages); ++ PSB_DEBUG_INIT("Stolen size: %lu kiB\n", stolen_size / 1024); ++ ++ if (resume && (gtt_pages != pg->gtt_pages) && ++ (stolen_size != pg->stolen_size)) { ++ DRM_ERROR("GTT resume error.\n"); ++ ret = -EINVAL; ++ goto out_err; ++ } ++ ++ printk(KERN_ERR "Bar A6\n"); ++ ++ pg->gtt_pages = gtt_pages; ++ pg->stolen_size = stolen_size; ++ pg->gtt_map = ++ ioremap_nocache(pg->gtt_phys_start, gtt_pages << PAGE_SHIFT); ++ if (!pg->gtt_map) { ++ DRM_ERROR("Failure to map gtt.\n"); ++ ret = -ENOMEM; ++ goto out_err; ++ } ++ ++ printk(KERN_ERR "Bar A7\n"); ++ ++ /* ++ * insert stolen pages. ++ */ ++ ++ pfn_base = pg->stolen_base >> PAGE_SHIFT; ++ num_pages = stolen_size >> PAGE_SHIFT; ++ PSB_DEBUG_INIT("Set up %d stolen pages starting at 0x%08x\n", ++ num_pages, pfn_base); ++ for (i = 0; i < num_pages; ++i) { ++ pte = psb_gtt_mask_pte(pfn_base + i, 0); ++ iowrite32(pte, pg->gtt_map + i); ++ } ++ ++ printk(KERN_ERR "Bar A8\n"); ++ ++ /* ++ * Init rest of gtt. ++ */ ++ ++ pfn_base = page_to_pfn(dev_priv->scratch_page); ++ pte = psb_gtt_mask_pte(pfn_base, 0); ++ PSB_DEBUG_INIT("Initializing the rest of a total " ++ "of %d gtt pages.\n", pg->gatt_pages); ++ ++ printk(KERN_ERR "Bar A10\n"); ++ ++ for (; i < pg->gatt_pages; ++i) ++ iowrite32(pte, pg->gtt_map + i); ++ (void)ioread32(pg->gtt_map + i - 1); ++ ++ printk(KERN_ERR "Bar A11\n"); ++ ++ return 0; ++ ++ out_err: ++ psb_gtt_takedown(pg, 0); ++ return ret; ++} ++ ++int psb_gtt_insert_pages(struct psb_gtt *pg, struct page **pages, ++ unsigned offset_pages, unsigned num_pages, ++ unsigned desired_tile_stride, unsigned hw_tile_stride, ++ int type) ++{ ++ unsigned rows = 1; ++ unsigned add; ++ unsigned row_add; ++ unsigned i; ++ unsigned j; ++ uint32_t *cur_page = NULL; ++ uint32_t pte; ++ ++ if (hw_tile_stride) ++ rows = num_pages / desired_tile_stride; ++ else ++ desired_tile_stride = num_pages; ++ ++ add = desired_tile_stride; ++ row_add = hw_tile_stride; ++ ++ down_read(&pg->sem); ++ for (i = 0; i < rows; ++i) { ++ cur_page = pg->gtt_map + offset_pages; ++ for (j = 0; j < desired_tile_stride; ++j) { ++ pte = psb_gtt_mask_pte(page_to_pfn(*pages++), type); ++ iowrite32(pte, cur_page++); ++ } ++ offset_pages += add; ++ } ++ (void)ioread32(cur_page - 1); ++ up_read(&pg->sem); ++ ++ return 0; ++} ++ ++int psb_gtt_remove_pages(struct psb_gtt *pg, unsigned offset_pages, ++ unsigned num_pages, unsigned desired_tile_stride, ++ unsigned hw_tile_stride) ++{ ++ struct drm_psb_private *dev_priv = pg->dev->dev_private; ++ unsigned rows = 1; ++ unsigned add; ++ unsigned row_add; ++ unsigned i; ++ unsigned j; ++ uint32_t *cur_page = NULL; ++ unsigned pfn_base = page_to_pfn(dev_priv->scratch_page); ++ uint32_t pte = psb_gtt_mask_pte(pfn_base, 0); ++ ++ if (hw_tile_stride) ++ rows = num_pages / desired_tile_stride; ++ else ++ desired_tile_stride = num_pages; ++ ++ add = desired_tile_stride; ++ row_add = hw_tile_stride; ++ ++ down_read(&pg->sem); ++ for (i = 0; i < rows; ++i) { ++ cur_page = pg->gtt_map + offset_pages; ++ for (j = 0; j < desired_tile_stride; ++j) { ++ iowrite32(pte, cur_page++); ++ } ++ offset_pages += add; ++ } ++ (void)ioread32(cur_page - 1); ++ up_read(&pg->sem); ++ ++ return 0; ++} +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_irq.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_irq.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,519 @@ ++/************************************************************************** ++ * Copyright (c) 2007, Intel Corporation. ++ * All Rights Reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms and conditions of the GNU General Public License, ++ * version 2, as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ * ++ * You should have received a copy of the GNU General Public License along with ++ * this program; if not, write to the Free Software Foundation, Inc., ++ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to ++ * develop this driver. ++ * ++ **************************************************************************/ ++/* ++ */ ++ ++#include "drmP.h" ++#include "psb_drv.h" ++#include "psb_reg.h" ++#include "psb_msvdx.h" ++#include "../i915/i915_reg.h" ++ ++/* ++ * Video display controller interrupt. ++ */ ++ ++static inline u32 ++psb_pipestat(int pipe) ++{ ++ if (pipe == 0) ++ return PIPEASTAT; ++ if (pipe == 1) ++ return PIPEBSTAT; ++ BUG(); ++} ++ ++void ++psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask) ++{ ++ //struct drm_i915_common_private *dev_priv_common = dev_priv; ++ ++ if ((dev_priv->pipestat[pipe] & mask) != mask) { ++ u32 reg = psb_pipestat(pipe); ++ ++ dev_priv->pipestat[pipe] |= mask; ++ /* Enable the interrupt, clear any pending status */ ++ I915_WRITE(reg, dev_priv->pipestat[pipe] | (mask >> 16)); ++ (void) I915_READ(reg); ++ } ++} ++ ++void ++psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask) ++{ ++ //struct drm_i915_common_private *dev_priv_common = (struct drm_i915_common_private *) dev_priv; ++ ++ if ((dev_priv->pipestat[pipe] & mask) != 0) { ++ u32 reg = psb_pipestat(pipe); ++ ++ dev_priv->pipestat[pipe] &= ~mask; ++ I915_WRITE(reg, dev_priv->pipestat[pipe]); ++ (void) I915_READ(reg); ++ } ++} ++ ++ ++/** ++ * i915_pipe_enabled - check if a pipe is enabled ++ * @dev: DRM device ++ * @pipe: pipe to check ++ * ++ * Reading certain registers when the pipe is disabled can hang the chip. ++ * Use this routine to make sure the PLL is running and the pipe is active ++ * before reading such registers if unsure. ++ */ ++static int ++i915_pipe_enabled(struct drm_device *dev, int pipe) ++{ ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ unsigned long pipeconf = pipe ? PIPEBCONF : PIPEACONF; ++ ++ if (I915_READ(pipeconf) & PIPEACONF_ENABLE) ++ return 1; ++ ++ return 0; ++} ++ ++/* Called from drm generic code, passed a 'crtc', which ++ * we use as a pipe index ++ */ ++u32 psb_get_vblank_counter(struct drm_device *dev, int pipe) ++{ ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ unsigned long high_frame; ++ unsigned long low_frame; ++ u32 high1, high2, low, count; ++ ++ high_frame = pipe ? PIPEBFRAMEHIGH : PIPEAFRAMEHIGH; ++ low_frame = pipe ? PIPEBFRAMEPIXEL : PIPEAFRAMEPIXEL; ++ ++ if (!i915_pipe_enabled(dev, pipe)) { ++ DRM_ERROR("trying to get vblank count for disabled pipe %d\n", pipe); ++ return 0; ++ } ++ ++ /* ++ * High & low register fields aren't synchronized, so make sure ++ * we get a low value that's stable across two reads of the high ++ * register. ++ */ ++ do { ++ high1 = ((I915_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >> ++ PIPE_FRAME_HIGH_SHIFT); ++ low = ((I915_READ(low_frame) & PIPE_FRAME_LOW_MASK) >> ++ PIPE_FRAME_LOW_SHIFT); ++ high2 = ((I915_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >> ++ PIPE_FRAME_HIGH_SHIFT); ++ } while (high1 != high2); ++ ++ count = (high1 << 8) | low; ++ ++ return count; ++} ++ ++/* Called from drm generic code, passed 'crtc' which ++ * we use as a pipe index ++ */ ++int psb_enable_vblank(struct drm_device *dev, int pipe) ++{ ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ unsigned long irqflags; ++ int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF; ++ u32 pipeconf; ++ ++ pipeconf = I915_READ(pipeconf_reg); ++ if (!(pipeconf & PIPEACONF_ENABLE)) ++ return -EINVAL; ++ ++ spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags); ++ psb_enable_pipestat(dev_priv, pipe, PIPE_VBLANK_INTERRUPT_ENABLE); ++ spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags); ++ return 0; ++} ++ ++/* Called from drm generic code, passed 'crtc' which ++ * we use as a pipe index ++ */ ++void psb_disable_vblank(struct drm_device *dev, int pipe) ++{ ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ unsigned long irqflags; ++ ++ spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags); ++ psb_disable_pipestat(dev_priv, pipe, ++ PIPE_VBLANK_INTERRUPT_ENABLE | ++ PIPE_START_VBLANK_INTERRUPT_ENABLE); ++ spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags); ++} ++ ++ ++ ++static void psb_vdc_interrupt(struct drm_device *dev, uint32_t vdc_stat) ++{ ++ struct drm_psb_private *dev_priv = dev->dev_private; uint32_t pipe_stats; ++ int wake = 0; ++ ++ if (!drm_psb_disable_vsync && (vdc_stat & _PSB_VSYNC_PIPEA_FLAG)) { ++ pipe_stats = PSB_RVDC32(PSB_PIPEASTAT); ++ atomic_inc(&dev->_vblank_count[0]); ++ wake = 1; ++ PSB_WVDC32(pipe_stats | _PSB_VBLANK_INTERRUPT_ENABLE | ++ _PSB_VBLANK_CLEAR, PSB_PIPEASTAT); ++ } ++ ++ if (!drm_psb_disable_vsync && (vdc_stat & _PSB_VSYNC_PIPEB_FLAG)) { ++ pipe_stats = PSB_RVDC32(PSB_PIPEBSTAT); ++ atomic_inc(&dev->_vblank_count[1]); ++ wake = 1; ++ PSB_WVDC32(pipe_stats | _PSB_VBLANK_INTERRUPT_ENABLE | ++ _PSB_VBLANK_CLEAR, PSB_PIPEBSTAT); ++ } ++ ++ PSB_WVDC32(vdc_stat, PSB_INT_IDENTITY_R); ++ (void)PSB_RVDC32(PSB_INT_IDENTITY_R); ++ DRM_READMEMORYBARRIER(); ++ ++ if (wake) { ++ int i; ++ DRM_WAKEUP(dev->vbl_queue); ++ ++ for (i = 0; i < 2; i++) ++ drm_vbl_send_signals(dev, i); ++ } ++} ++ ++/* ++ * SGX interrupt source 1. ++ */ ++ ++static void psb_sgx_interrupt(struct drm_device *dev, uint32_t sgx_stat, ++ uint32_t sgx_stat2) ++{ ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ ++ if (sgx_stat & _PSB_CE_TWOD_COMPLETE) { ++ DRM_WAKEUP(&dev_priv->event_2d_queue); ++ psb_fence_handler(dev, 0); ++ } ++ ++ if (unlikely(sgx_stat2 & _PSB_CE2_BIF_REQUESTER_FAULT)) ++ psb_print_pagefault(dev_priv); ++ ++ psb_scheduler_handler(dev_priv, sgx_stat); ++} ++ ++/* ++ * MSVDX interrupt. ++ */ ++static void psb_msvdx_interrupt(struct drm_device *dev, uint32_t msvdx_stat) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ ++ if (msvdx_stat & MSVDX_INTERRUPT_STATUS_CR_MMU_FAULT_IRQ_MASK) { ++ /*Ideally we should we should never get to this */ ++ PSB_DEBUG_GENERAL ++ ("******MSVDX: msvdx_stat: 0x%x fence2_irq_on=%d ***** (MMU FAULT)\n", ++ msvdx_stat, dev_priv->fence2_irq_on); ++ ++ /* Pause MMU */ ++ PSB_WMSVDX32(MSVDX_MMU_CONTROL0_CR_MMU_PAUSE_MASK, ++ MSVDX_MMU_CONTROL0); ++ DRM_WRITEMEMORYBARRIER(); ++ ++ /* Clear this interupt bit only */ ++ PSB_WMSVDX32(MSVDX_INTERRUPT_STATUS_CR_MMU_FAULT_IRQ_MASK, ++ MSVDX_INTERRUPT_CLEAR); ++ PSB_RMSVDX32(MSVDX_INTERRUPT_CLEAR); ++ DRM_READMEMORYBARRIER(); ++ ++ dev_priv->msvdx_needs_reset = 1; ++ } else if (msvdx_stat & MSVDX_INTERRUPT_STATUS_CR_MTX_IRQ_MASK) { ++ PSB_DEBUG_GENERAL ++ ("******MSVDX: msvdx_stat: 0x%x fence2_irq_on=%d ***** (MTX)\n", ++ msvdx_stat, dev_priv->fence2_irq_on); ++ ++ /* Clear all interupt bits */ ++ PSB_WMSVDX32(0xffff, MSVDX_INTERRUPT_CLEAR); ++ PSB_RMSVDX32(MSVDX_INTERRUPT_CLEAR); ++ DRM_READMEMORYBARRIER(); ++ ++ psb_msvdx_mtx_interrupt(dev); ++ } ++} ++ ++irqreturn_t psb_irq_handler(DRM_IRQ_ARGS) ++{ ++ struct drm_device *dev = (struct drm_device *)arg; ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ ++ uint32_t vdc_stat; ++ uint32_t sgx_stat; ++ uint32_t sgx_stat2; ++ uint32_t msvdx_stat; ++ int handled = 0; ++ ++ spin_lock(&dev_priv->irqmask_lock); ++ ++ vdc_stat = PSB_RVDC32(PSB_INT_IDENTITY_R); ++ sgx_stat = PSB_RSGX32(PSB_CR_EVENT_STATUS); ++ sgx_stat2 = PSB_RSGX32(PSB_CR_EVENT_STATUS2); ++ msvdx_stat = PSB_RMSVDX32(MSVDX_INTERRUPT_STATUS); ++ ++ sgx_stat2 &= dev_priv->sgx2_irq_mask; ++ sgx_stat &= dev_priv->sgx_irq_mask; ++ PSB_WSGX32(sgx_stat2, PSB_CR_EVENT_HOST_CLEAR2); ++ PSB_WSGX32(sgx_stat, PSB_CR_EVENT_HOST_CLEAR); ++ (void)PSB_RSGX32(PSB_CR_EVENT_HOST_CLEAR); ++ ++ vdc_stat &= dev_priv->vdc_irq_mask; ++ spin_unlock(&dev_priv->irqmask_lock); ++ ++ if (msvdx_stat) { ++ psb_msvdx_interrupt(dev, msvdx_stat); ++ handled = 1; ++ } ++ ++ if (vdc_stat) { ++ /* MSVDX IRQ status is part of vdc_irq_mask */ ++ psb_vdc_interrupt(dev, vdc_stat); ++ handled = 1; ++ } ++ ++ if (sgx_stat || sgx_stat2) { ++ psb_sgx_interrupt(dev, sgx_stat, sgx_stat2); ++ handled = 1; ++ } ++ ++ if (!handled) { ++ return IRQ_NONE; ++ } ++ ++ return IRQ_HANDLED; ++} ++ ++void psb_msvdx_irq_preinstall(struct drm_psb_private *dev_priv) ++{ ++ unsigned long mtx_int = 0; ++ dev_priv->vdc_irq_mask |= _PSB_IRQ_MSVDX_FLAG; ++ ++ /*Clear MTX interrupt */ ++ REGIO_WRITE_FIELD_LITE(mtx_int, MSVDX_INTERRUPT_STATUS, CR_MTX_IRQ, 1); ++ PSB_WMSVDX32(mtx_int, MSVDX_INTERRUPT_CLEAR); ++} ++ ++void psb_irq_preinstall(struct drm_device *dev) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ spin_lock(&dev_priv->irqmask_lock); ++ PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM); ++ PSB_WVDC32(0x00000000, PSB_INT_MASK_R); ++ PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R); ++ PSB_WSGX32(0x00000000, PSB_CR_EVENT_HOST_ENABLE); ++ (void)PSB_RSGX32(PSB_CR_EVENT_HOST_ENABLE); ++ ++ dev_priv->sgx_irq_mask = _PSB_CE_PIXELBE_END_RENDER | ++ _PSB_CE_DPM_3D_MEM_FREE | ++ _PSB_CE_TA_FINISHED | ++ _PSB_CE_DPM_REACHED_MEM_THRESH | ++ _PSB_CE_DPM_OUT_OF_MEMORY_GBL | ++ _PSB_CE_DPM_OUT_OF_MEMORY_MT | ++ _PSB_CE_TA_TERMINATE | _PSB_CE_SW_EVENT; ++ ++ dev_priv->sgx2_irq_mask = _PSB_CE2_BIF_REQUESTER_FAULT; ++ ++ dev_priv->vdc_irq_mask = _PSB_IRQ_SGX_FLAG | _PSB_IRQ_MSVDX_FLAG; ++ ++ if (!drm_psb_disable_vsync) ++ dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEA_FLAG | ++ _PSB_VSYNC_PIPEB_FLAG; ++ ++ /*Clear MTX interrupt */ ++ { ++ unsigned long mtx_int = 0; ++ REGIO_WRITE_FIELD_LITE(mtx_int, MSVDX_INTERRUPT_STATUS, ++ CR_MTX_IRQ, 1); ++ PSB_WMSVDX32(mtx_int, MSVDX_INTERRUPT_CLEAR); ++ } ++ spin_unlock(&dev_priv->irqmask_lock); ++} ++ ++void psb_msvdx_irq_postinstall(struct drm_psb_private *dev_priv) ++{ ++ /* Enable Mtx Interupt to host */ ++ unsigned long enables = 0; ++ PSB_DEBUG_GENERAL("Setting up MSVDX IRQs.....\n"); ++ REGIO_WRITE_FIELD_LITE(enables, MSVDX_INTERRUPT_STATUS, CR_MTX_IRQ, 1); ++ PSB_WMSVDX32(enables, MSVDX_HOST_INTERRUPT_ENABLE); ++} ++ ++int psb_irq_postinstall(struct drm_device *dev) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ unsigned long irqflags; ++ ++ spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); ++ PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R); ++ PSB_WSGX32(dev_priv->sgx2_irq_mask, PSB_CR_EVENT_HOST_ENABLE2); ++ PSB_WSGX32(dev_priv->sgx_irq_mask, PSB_CR_EVENT_HOST_ENABLE); ++ (void)PSB_RSGX32(PSB_CR_EVENT_HOST_ENABLE); ++ /****MSVDX IRQ Setup...*****/ ++ /* Enable Mtx Interupt to host */ ++ { ++ unsigned long enables = 0; ++ PSB_DEBUG_GENERAL("Setting up MSVDX IRQs.....\n"); ++ REGIO_WRITE_FIELD_LITE(enables, MSVDX_INTERRUPT_STATUS, ++ CR_MTX_IRQ, 1); ++ PSB_WMSVDX32(enables, MSVDX_HOST_INTERRUPT_ENABLE); ++ } ++ dev_priv->irq_enabled = 1; ++ spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); ++ return 0; ++} ++ ++void psb_irq_uninstall(struct drm_device *dev) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ unsigned long irqflags; ++ ++ spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); ++ ++ dev_priv->sgx_irq_mask = 0x00000000; ++ dev_priv->sgx2_irq_mask = 0x00000000; ++ dev_priv->vdc_irq_mask = 0x00000000; ++ ++ PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM); ++ PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R); ++ PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R); ++ PSB_WSGX32(dev_priv->sgx_irq_mask, PSB_CR_EVENT_HOST_ENABLE); ++ PSB_WSGX32(dev_priv->sgx2_irq_mask, PSB_CR_EVENT_HOST_ENABLE2); ++ wmb(); ++ PSB_WVDC32(PSB_RVDC32(PSB_INT_IDENTITY_R), PSB_INT_IDENTITY_R); ++ PSB_WSGX32(PSB_RSGX32(PSB_CR_EVENT_STATUS), PSB_CR_EVENT_HOST_CLEAR); ++ PSB_WSGX32(PSB_RSGX32(PSB_CR_EVENT_STATUS2), PSB_CR_EVENT_HOST_CLEAR2); ++ ++ /****MSVDX IRQ Setup...*****/ ++ /* Clear interrupt enabled flag */ ++ PSB_WMSVDX32(0, MSVDX_HOST_INTERRUPT_ENABLE); ++ ++ dev_priv->irq_enabled = 0; ++ spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); ++ ++} ++ ++void psb_2D_irq_off(struct drm_psb_private *dev_priv) ++{ ++ unsigned long irqflags; ++ uint32_t old_mask; ++ uint32_t cleared_mask; ++ ++ spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); ++ --dev_priv->irqen_count_2d; ++ if (dev_priv->irq_enabled && dev_priv->irqen_count_2d == 0) { ++ ++ old_mask = dev_priv->sgx_irq_mask; ++ dev_priv->sgx_irq_mask &= ~_PSB_CE_TWOD_COMPLETE; ++ PSB_WSGX32(dev_priv->sgx_irq_mask, PSB_CR_EVENT_HOST_ENABLE); ++ (void)PSB_RSGX32(PSB_CR_EVENT_HOST_ENABLE); ++ ++ cleared_mask = (old_mask ^ dev_priv->sgx_irq_mask) & old_mask; ++ PSB_WSGX32(cleared_mask, PSB_CR_EVENT_HOST_CLEAR); ++ (void)PSB_RSGX32(PSB_CR_EVENT_HOST_CLEAR); ++ } ++ spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); ++} ++ ++void psb_2D_irq_on(struct drm_psb_private *dev_priv) ++{ ++ unsigned long irqflags; ++ ++ spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); ++ if (dev_priv->irq_enabled && dev_priv->irqen_count_2d == 0) { ++ dev_priv->sgx_irq_mask |= _PSB_CE_TWOD_COMPLETE; ++ PSB_WSGX32(dev_priv->sgx_irq_mask, PSB_CR_EVENT_HOST_ENABLE); ++ (void)PSB_RSGX32(PSB_CR_EVENT_HOST_ENABLE); ++ } ++ ++dev_priv->irqen_count_2d; ++ spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); ++} ++#if 0 ++static int psb_vblank_do_wait(struct drm_device *dev, unsigned int *sequence, ++ atomic_t * counter, int crtc) ++{ ++ unsigned int cur_vblank; ++ int ret = 0; ++ ++ DRM_WAIT_ON(ret, dev->vbl_queue[crtc], 3 * DRM_HZ, ++ (((cur_vblank = atomic_read(counter)) ++ - *sequence) <= (1 << 23))); ++ ++ *sequence = cur_vblank; ++ ++ return ret; ++} ++ ++int psb_vblank_wait(struct drm_device *dev, unsigned int *sequence) ++{ ++ int ret; ++ ++ ret = psb_vblank_do_wait(dev, sequence, &dev->_vblank_count[0], 0); ++ return ret; ++} ++ ++int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence) ++{ ++ int ret; ++ ++ ret = psb_vblank_do_wait(dev, sequence, &dev->_vblank_count[1], 1); ++ return ret; ++} ++#endif ++ ++void psb_msvdx_irq_off(struct drm_psb_private *dev_priv) ++{ ++ unsigned long irqflags; ++ ++ spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); ++ if (dev_priv->irq_enabled) { ++ dev_priv->vdc_irq_mask &= ~_PSB_IRQ_MSVDX_FLAG; ++ PSB_WSGX32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R); ++ (void)PSB_RSGX32(PSB_INT_ENABLE_R); ++ } ++ spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); ++} ++ ++void psb_msvdx_irq_on(struct drm_psb_private *dev_priv) ++{ ++ unsigned long irqflags; ++ ++ spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); ++ if (dev_priv->irq_enabled) { ++ dev_priv->vdc_irq_mask |= _PSB_IRQ_MSVDX_FLAG; ++ PSB_WSGX32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R); ++ (void)PSB_RSGX32(PSB_INT_ENABLE_R); ++ } ++ spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); ++} +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_mmu.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_mmu.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,1037 @@ ++/************************************************************************** ++ * Copyright (c) 2007, Intel Corporation. ++ * All Rights Reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms and conditions of the GNU General Public License, ++ * version 2, as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ * ++ * You should have received a copy of the GNU General Public License along with ++ * this program; if not, write to the Free Software Foundation, Inc., ++ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to ++ * develop this driver. ++ * ++ **************************************************************************/ ++#include "drmP.h" ++#include "psb_drv.h" ++#include "psb_reg.h" ++ ++/* ++ * Code for the SGX MMU: ++ */ ++ ++/* ++ * clflush on one processor only: ++ * clflush should apparently flush the cache line on all processors in an ++ * SMP system. ++ */ ++ ++/* ++ * kmap atomic: ++ * The usage of the slots must be completely encapsulated within a spinlock, and ++ * no other functions that may be using the locks for other purposed may be ++ * called from within the locked region. ++ * Since the slots are per processor, this will guarantee that we are the only ++ * user. ++ */ ++ ++/* ++ * TODO: Inserting ptes from an interrupt handler: ++ * This may be desirable for some SGX functionality where the GPU can fault in ++ * needed pages. For that, we need to make an atomic insert_pages function, that ++ * may fail. ++ * If it fails, the caller need to insert the page using a workqueue function, ++ * but on average it should be fast. ++ */ ++ ++struct psb_mmu_driver { ++ /* protects driver- and pd structures. Always take in read mode ++ * before taking the page table spinlock. ++ */ ++ struct rw_semaphore sem; ++ ++ /* protects page tables, directory tables and pt tables. ++ * and pt structures. ++ */ ++ spinlock_t lock; ++ ++ atomic_t needs_tlbflush; ++ atomic_t *msvdx_mmu_invaldc; ++ uint8_t __iomem *register_map; ++ struct psb_mmu_pd *default_pd; ++ uint32_t bif_ctrl; ++ int has_clflush; ++ int clflush_add; ++ unsigned long clflush_mask; ++}; ++ ++struct psb_mmu_pd; ++ ++struct psb_mmu_pt { ++ struct psb_mmu_pd *pd; ++ uint32_t index; ++ uint32_t count; ++ struct page *p; ++ uint32_t *v; ++}; ++ ++struct psb_mmu_pd { ++ struct psb_mmu_driver *driver; ++ int hw_context; ++ struct psb_mmu_pt **tables; ++ struct page *p; ++ struct page *dummy_pt; ++ struct page *dummy_page; ++ uint32_t pd_mask; ++ uint32_t invalid_pde; ++ uint32_t invalid_pte; ++}; ++ ++static inline uint32_t psb_mmu_pt_index(uint32_t offset) ++{ ++ return (offset >> PSB_PTE_SHIFT) & 0x3FF; ++} ++static inline uint32_t psb_mmu_pd_index(uint32_t offset) ++{ ++ return (offset >> PSB_PDE_SHIFT); ++} ++ ++#if defined(CONFIG_X86) ++static inline void psb_clflush(void *addr) ++{ ++ __asm__ __volatile__("clflush (%0)\n"::"r"(addr):"memory"); ++} ++ ++static inline void psb_mmu_clflush(struct psb_mmu_driver *driver, void *addr) ++{ ++ if (!driver->has_clflush) ++ return; ++ ++ mb(); ++ psb_clflush(addr); ++ mb(); ++} ++#else ++ ++static inline void psb_mmu_clflush(struct psb_mmu_driver *driver, void *addr) ++{; ++} ++ ++#endif ++ ++static inline void psb_iowrite32(const struct psb_mmu_driver *d, ++ uint32_t val, uint32_t offset) ++{ ++ iowrite32(val, d->register_map + offset); ++} ++ ++static inline uint32_t psb_ioread32(const struct psb_mmu_driver *d, ++ uint32_t offset) ++{ ++ return ioread32(d->register_map + offset); ++} ++ ++static void psb_mmu_flush_pd_locked(struct psb_mmu_driver *driver, int force) ++{ ++ if (atomic_read(&driver->needs_tlbflush) || force) { ++ uint32_t val = psb_ioread32(driver, PSB_CR_BIF_CTRL); ++ psb_iowrite32(driver, val | _PSB_CB_CTRL_INVALDC, ++ PSB_CR_BIF_CTRL); ++ wmb(); ++ psb_iowrite32(driver, val & ~_PSB_CB_CTRL_INVALDC, ++ PSB_CR_BIF_CTRL); ++ (void)psb_ioread32(driver, PSB_CR_BIF_CTRL); ++ if (driver->msvdx_mmu_invaldc) ++ atomic_set(driver->msvdx_mmu_invaldc, 1); ++ } ++ atomic_set(&driver->needs_tlbflush, 0); ++} ++ ++static void psb_mmu_flush_pd(struct psb_mmu_driver *driver, int force) ++{ ++ down_write(&driver->sem); ++ psb_mmu_flush_pd_locked(driver, force); ++ up_write(&driver->sem); ++} ++ ++void psb_mmu_flush(struct psb_mmu_driver *driver) ++{ ++ uint32_t val; ++ ++ down_write(&driver->sem); ++ val = psb_ioread32(driver, PSB_CR_BIF_CTRL); ++ if (atomic_read(&driver->needs_tlbflush)) ++ psb_iowrite32(driver, val | _PSB_CB_CTRL_INVALDC, ++ PSB_CR_BIF_CTRL); ++ else ++ psb_iowrite32(driver, val | _PSB_CB_CTRL_FLUSH, ++ PSB_CR_BIF_CTRL); ++ wmb(); ++ psb_iowrite32(driver, ++ val & ~(_PSB_CB_CTRL_FLUSH | _PSB_CB_CTRL_INVALDC), ++ PSB_CR_BIF_CTRL); ++ (void)psb_ioread32(driver, PSB_CR_BIF_CTRL); ++ atomic_set(&driver->needs_tlbflush, 0); ++ if (driver->msvdx_mmu_invaldc) ++ atomic_set(driver->msvdx_mmu_invaldc, 1); ++ up_write(&driver->sem); ++} ++ ++void psb_mmu_set_pd_context(struct psb_mmu_pd *pd, int hw_context) ++{ ++ uint32_t offset = (hw_context == 0) ? PSB_CR_BIF_DIR_LIST_BASE0 : ++ PSB_CR_BIF_DIR_LIST_BASE1 + hw_context * 4; ++ ++ drm_ttm_cache_flush(); ++ down_write(&pd->driver->sem); ++ psb_iowrite32(pd->driver, (page_to_pfn(pd->p) << PAGE_SHIFT), offset); ++ wmb(); ++ psb_mmu_flush_pd_locked(pd->driver, 1); ++ pd->hw_context = hw_context; ++ up_write(&pd->driver->sem); ++ ++} ++ ++static inline unsigned long psb_pd_addr_end(unsigned long addr, ++ unsigned long end) ++{ ++ ++ addr = (addr + PSB_PDE_MASK + 1) & ~PSB_PDE_MASK; ++ return (addr < end) ? addr : end; ++} ++ ++static inline uint32_t psb_mmu_mask_pte(uint32_t pfn, int type) ++{ ++ uint32_t mask = PSB_PTE_VALID; ++ ++ if (type & PSB_MMU_CACHED_MEMORY) ++ mask |= PSB_PTE_CACHED; ++ if (type & PSB_MMU_RO_MEMORY) ++ mask |= PSB_PTE_RO; ++ if (type & PSB_MMU_WO_MEMORY) ++ mask |= PSB_PTE_WO; ++ ++ return (pfn << PAGE_SHIFT) | mask; ++} ++ ++struct psb_mmu_pd *psb_mmu_alloc_pd(struct psb_mmu_driver *driver, ++ int trap_pagefaults, int invalid_type) ++{ ++ struct psb_mmu_pd *pd = kmalloc(sizeof(*pd), GFP_KERNEL); ++ uint32_t *v; ++ int i; ++ ++ if (!pd) ++ return NULL; ++ ++ pd->p = alloc_page(GFP_DMA32); ++ if (!pd->p) ++ goto out_err1; ++ pd->dummy_pt = alloc_page(GFP_DMA32); ++ if (!pd->dummy_pt) ++ goto out_err2; ++ pd->dummy_page = alloc_page(GFP_DMA32); ++ if (!pd->dummy_page) ++ goto out_err3; ++ ++ if (!trap_pagefaults) { ++ pd->invalid_pde = psb_mmu_mask_pte(page_to_pfn(pd->dummy_pt), ++ invalid_type | ++ PSB_MMU_CACHED_MEMORY); ++ pd->invalid_pte = psb_mmu_mask_pte(page_to_pfn(pd->dummy_page), ++ invalid_type | ++ PSB_MMU_CACHED_MEMORY); ++ } else { ++ pd->invalid_pde = 0; ++ pd->invalid_pte = 0; ++ } ++ ++ v = kmap(pd->dummy_pt); ++ for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i) { ++ v[i] = pd->invalid_pte; ++ } ++ kunmap(pd->dummy_pt); ++ ++ v = kmap(pd->p); ++ for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i) { ++ v[i] = pd->invalid_pde; ++ } ++ kunmap(pd->p); ++ ++ clear_page(kmap(pd->dummy_page)); ++ kunmap(pd->dummy_page); ++ ++ pd->tables = vmalloc_user(sizeof(struct psb_mmu_pt *) * 1024); ++ if (!pd->tables) ++ goto out_err4; ++ ++ pd->hw_context = -1; ++ pd->pd_mask = PSB_PTE_VALID; ++ pd->driver = driver; ++ ++ return pd; ++ ++ out_err4: ++ __free_page(pd->dummy_page); ++ out_err3: ++ __free_page(pd->dummy_pt); ++ out_err2: ++ __free_page(pd->p); ++ out_err1: ++ kfree(pd); ++ return NULL; ++} ++ ++void psb_mmu_free_pt(struct psb_mmu_pt *pt) ++{ ++ __free_page(pt->p); ++ kfree(pt); ++} ++ ++void psb_mmu_free_pagedir(struct psb_mmu_pd *pd) ++{ ++ struct psb_mmu_driver *driver = pd->driver; ++ struct psb_mmu_pt *pt; ++ int i; ++ ++ down_write(&driver->sem); ++ if (pd->hw_context != -1) { ++ psb_iowrite32(driver, 0, ++ PSB_CR_BIF_DIR_LIST_BASE0 + pd->hw_context * 4); ++ psb_mmu_flush_pd_locked(driver, 1); ++ } ++ ++ /* Should take the spinlock here, but we don't need to do that ++ since we have the semaphore in write mode. */ ++ ++ for (i = 0; i < 1024; ++i) { ++ pt = pd->tables[i]; ++ if (pt) ++ psb_mmu_free_pt(pt); ++ } ++ ++ vfree(pd->tables); ++ __free_page(pd->dummy_page); ++ __free_page(pd->dummy_pt); ++ __free_page(pd->p); ++ kfree(pd); ++ up_write(&driver->sem); ++} ++ ++static struct psb_mmu_pt *psb_mmu_alloc_pt(struct psb_mmu_pd *pd) ++{ ++ struct psb_mmu_pt *pt = kmalloc(sizeof(*pt), GFP_KERNEL); ++ void *v; ++ uint32_t clflush_add = pd->driver->clflush_add >> PAGE_SHIFT; ++ uint32_t clflush_count = PAGE_SIZE / clflush_add; ++ spinlock_t *lock = &pd->driver->lock; ++ uint8_t *clf; ++ uint32_t *ptes; ++ int i; ++ ++ if (!pt) ++ return NULL; ++ ++ pt->p = alloc_page(GFP_DMA32); ++ if (!pt->p) { ++ kfree(pt); ++ return NULL; ++ } ++ ++ spin_lock(lock); ++ ++ v = kmap_atomic(pt->p, KM_USER0); ++ clf = (uint8_t *) v; ++ ptes = (uint32_t *) v; ++ for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i) { ++ *ptes++ = pd->invalid_pte; ++ } ++ ++#if defined(CONFIG_X86) ++ if (pd->driver->has_clflush && pd->hw_context != -1) { ++ mb(); ++ for (i = 0; i < clflush_count; ++i) { ++ psb_clflush(clf); ++ clf += clflush_add; ++ } ++ mb(); ++ } ++#endif ++ kunmap_atomic(v, KM_USER0); ++ spin_unlock(lock); ++ ++ pt->count = 0; ++ pt->pd = pd; ++ pt->index = 0; ++ ++ return pt; ++} ++ ++struct psb_mmu_pt *psb_mmu_pt_alloc_map_lock(struct psb_mmu_pd *pd, ++ unsigned long addr) ++{ ++ uint32_t index = psb_mmu_pd_index(addr); ++ struct psb_mmu_pt *pt; ++ volatile uint32_t *v; ++ spinlock_t *lock = &pd->driver->lock; ++ ++ spin_lock(lock); ++ pt = pd->tables[index]; ++ while (!pt) { ++ spin_unlock(lock); ++ pt = psb_mmu_alloc_pt(pd); ++ if (!pt) ++ return NULL; ++ spin_lock(lock); ++ ++ if (pd->tables[index]) { ++ spin_unlock(lock); ++ psb_mmu_free_pt(pt); ++ spin_lock(lock); ++ pt = pd->tables[index]; ++ continue; ++ } ++ ++ v = kmap_atomic(pd->p, KM_USER0); ++ pd->tables[index] = pt; ++ v[index] = (page_to_pfn(pt->p) << 12) | pd->pd_mask; ++ pt->index = index; ++ kunmap_atomic((void *)v, KM_USER0); ++ ++ if (pd->hw_context != -1) { ++ psb_mmu_clflush(pd->driver, (void *)&v[index]); ++ atomic_set(&pd->driver->needs_tlbflush, 1); ++ } ++ } ++ pt->v = kmap_atomic(pt->p, KM_USER0); ++ return pt; ++} ++ ++static struct psb_mmu_pt *psb_mmu_pt_map_lock(struct psb_mmu_pd *pd, ++ unsigned long addr) ++{ ++ uint32_t index = psb_mmu_pd_index(addr); ++ struct psb_mmu_pt *pt; ++ spinlock_t *lock = &pd->driver->lock; ++ ++ spin_lock(lock); ++ pt = pd->tables[index]; ++ if (!pt) { ++ spin_unlock(lock); ++ return NULL; ++ } ++ pt->v = kmap_atomic(pt->p, KM_USER0); ++ return pt; ++} ++ ++static void psb_mmu_pt_unmap_unlock(struct psb_mmu_pt *pt) ++{ ++ struct psb_mmu_pd *pd = pt->pd; ++ volatile uint32_t *v; ++ ++ kunmap_atomic(pt->v, KM_USER0); ++ if (pt->count == 0) { ++ v = kmap_atomic(pd->p, KM_USER0); ++ v[pt->index] = pd->invalid_pde; ++ pd->tables[pt->index] = NULL; ++ ++ if (pd->hw_context != -1) { ++ psb_mmu_clflush(pd->driver, (void *)&v[pt->index]); ++ atomic_set(&pd->driver->needs_tlbflush, 1); ++ } ++ kunmap_atomic(pt->v, KM_USER0); ++ spin_unlock(&pd->driver->lock); ++ psb_mmu_free_pt(pt); ++ return; ++ } ++ spin_unlock(&pd->driver->lock); ++} ++ ++static inline void psb_mmu_set_pte(struct psb_mmu_pt *pt, unsigned long addr, ++ uint32_t pte) ++{ ++ pt->v[psb_mmu_pt_index(addr)] = pte; ++} ++ ++static inline void psb_mmu_invalidate_pte(struct psb_mmu_pt *pt, ++ unsigned long addr) ++{ ++ pt->v[psb_mmu_pt_index(addr)] = pt->pd->invalid_pte; ++} ++ ++#if 0 ++static uint32_t psb_mmu_check_pte_locked(struct psb_mmu_pd *pd, ++ uint32_t mmu_offset) ++{ ++ uint32_t *v; ++ uint32_t pfn; ++ ++ v = kmap_atomic(pd->p, KM_USER0); ++ if (!v) { ++ printk(KERN_INFO "Could not kmap pde page.\n"); ++ return 0; ++ } ++ pfn = v[psb_mmu_pd_index(mmu_offset)]; ++ // printk(KERN_INFO "pde is 0x%08x\n",pfn); ++ kunmap_atomic(v, KM_USER0); ++ if (((pfn & 0x0F) != PSB_PTE_VALID)) { ++ printk(KERN_INFO "Strange pde at 0x%08x: 0x%08x.\n", ++ mmu_offset, pfn); ++ } ++ v = ioremap(pfn & 0xFFFFF000, 4096); ++ if (!v) { ++ printk(KERN_INFO "Could not kmap pte page.\n"); ++ return 0; ++ } ++ pfn = v[psb_mmu_pt_index(mmu_offset)]; ++ // printk(KERN_INFO "pte is 0x%08x\n",pfn); ++ iounmap(v); ++ if (((pfn & 0x0F) != PSB_PTE_VALID)) { ++ printk(KERN_INFO "Strange pte at 0x%08x: 0x%08x.\n", ++ mmu_offset, pfn); ++ } ++ return pfn >> PAGE_SHIFT; ++} ++ ++static void psb_mmu_check_mirrored_gtt(struct psb_mmu_pd *pd, ++ uint32_t mmu_offset, uint32_t gtt_pages) ++{ ++ uint32_t start; ++ uint32_t next; ++ ++ printk(KERN_INFO "Checking mirrored gtt 0x%08x %d\n", ++ mmu_offset, gtt_pages); ++ down_read(&pd->driver->sem); ++ start = psb_mmu_check_pte_locked(pd, mmu_offset); ++ mmu_offset += PAGE_SIZE; ++ gtt_pages -= 1; ++ while (gtt_pages--) { ++ next = psb_mmu_check_pte_locked(pd, mmu_offset); ++ if (next != start + 1) { ++ printk(KERN_INFO "Ptes out of order: 0x%08x, 0x%08x.\n", ++ start, next); ++ } ++ start = next; ++ mmu_offset += PAGE_SIZE; ++ } ++ up_read(&pd->driver->sem); ++} ++ ++#endif ++ ++void psb_mmu_mirror_gtt(struct psb_mmu_pd *pd, ++ uint32_t mmu_offset, uint32_t gtt_start, ++ uint32_t gtt_pages) ++{ ++ uint32_t *v; ++ uint32_t start = psb_mmu_pd_index(mmu_offset); ++ struct psb_mmu_driver *driver = pd->driver; ++ ++ down_read(&driver->sem); ++ spin_lock(&driver->lock); ++ ++ v = kmap_atomic(pd->p, KM_USER0); ++ v += start; ++ ++ while (gtt_pages--) { ++ *v++ = gtt_start | pd->pd_mask; ++ gtt_start += PAGE_SIZE; ++ } ++ ++ drm_ttm_cache_flush(); ++ kunmap_atomic(v, KM_USER0); ++ spin_unlock(&driver->lock); ++ ++ if (pd->hw_context != -1) ++ atomic_set(&pd->driver->needs_tlbflush, 1); ++ ++ up_read(&pd->driver->sem); ++ psb_mmu_flush_pd(pd->driver, 0); ++} ++ ++struct psb_mmu_pd *psb_mmu_get_default_pd(struct psb_mmu_driver *driver) ++{ ++ struct psb_mmu_pd *pd; ++ ++ down_read(&driver->sem); ++ pd = driver->default_pd; ++ up_read(&driver->sem); ++ ++ return pd; ++} ++ ++/* Returns the physical address of the PD shared by sgx/msvdx */ ++uint32_t psb_get_default_pd_addr(struct psb_mmu_driver * driver) ++{ ++ struct psb_mmu_pd *pd; ++ ++ pd = psb_mmu_get_default_pd(driver); ++ return ((page_to_pfn(pd->p) << PAGE_SHIFT)); ++} ++ ++void psb_mmu_driver_takedown(struct psb_mmu_driver *driver) ++{ ++ psb_iowrite32(driver, driver->bif_ctrl, PSB_CR_BIF_CTRL); ++ psb_mmu_free_pagedir(driver->default_pd); ++ kfree(driver); ++} ++ ++struct psb_mmu_driver *psb_mmu_driver_init(uint8_t __iomem * registers, ++ int trap_pagefaults, ++ int invalid_type, ++ atomic_t *msvdx_mmu_invaldc) ++{ ++ struct psb_mmu_driver *driver; ++ ++ driver = (struct psb_mmu_driver *)kmalloc(sizeof(*driver), GFP_KERNEL); ++ ++ if (!driver) ++ return NULL; ++ ++ driver->default_pd = psb_mmu_alloc_pd(driver, trap_pagefaults, ++ invalid_type); ++ if (!driver->default_pd) ++ goto out_err1; ++ ++ spin_lock_init(&driver->lock); ++ init_rwsem(&driver->sem); ++ down_write(&driver->sem); ++ driver->register_map = registers; ++ atomic_set(&driver->needs_tlbflush, 1); ++ driver->msvdx_mmu_invaldc = msvdx_mmu_invaldc; ++ ++ driver->bif_ctrl = psb_ioread32(driver, PSB_CR_BIF_CTRL); ++ psb_iowrite32(driver, driver->bif_ctrl | _PSB_CB_CTRL_CLEAR_FAULT, ++ PSB_CR_BIF_CTRL); ++ psb_iowrite32(driver, driver->bif_ctrl & ~_PSB_CB_CTRL_CLEAR_FAULT, ++ PSB_CR_BIF_CTRL); ++ ++ driver->has_clflush = 0; ++ ++#if defined(CONFIG_X86) ++ if (boot_cpu_has(X86_FEATURE_CLFLSH)) { ++ uint32_t tfms, misc, cap0, cap4, clflush_size; ++ ++ /* ++ * clflush size is determined at kernel setup for x86_64 but not for ++ * i386. We have to do it here. ++ */ ++ ++ cpuid(0x00000001, &tfms, &misc, &cap0, &cap4); ++ clflush_size = ((misc >> 8) & 0xff) * 8; ++ driver->has_clflush = 1; ++ driver->clflush_add = ++ PAGE_SIZE * clflush_size / sizeof(uint32_t); ++ driver->clflush_mask = driver->clflush_add - 1; ++ driver->clflush_mask = ~driver->clflush_mask; ++ } ++#endif ++ ++ up_write(&driver->sem); ++ return driver; ++ ++ out_err1: ++ kfree(driver); ++ return NULL; ++} ++ ++#if defined(CONFIG_X86) ++static void psb_mmu_flush_ptes(struct psb_mmu_pd *pd, unsigned long address, ++ uint32_t num_pages, uint32_t desired_tile_stride, ++ uint32_t hw_tile_stride) ++{ ++ struct psb_mmu_pt *pt; ++ uint32_t rows = 1; ++ uint32_t i; ++ unsigned long addr; ++ unsigned long end; ++ unsigned long next; ++ unsigned long add; ++ unsigned long row_add; ++ unsigned long clflush_add = pd->driver->clflush_add; ++ unsigned long clflush_mask = pd->driver->clflush_mask; ++ ++ if (!pd->driver->has_clflush) { ++ drm_ttm_cache_flush(); ++ return; ++ } ++ ++ if (hw_tile_stride) ++ rows = num_pages / desired_tile_stride; ++ else ++ desired_tile_stride = num_pages; ++ ++ add = desired_tile_stride << PAGE_SHIFT; ++ row_add = hw_tile_stride << PAGE_SHIFT; ++ mb(); ++ for (i = 0; i < rows; ++i) { ++ ++ addr = address; ++ end = addr + add; ++ ++ do { ++ next = psb_pd_addr_end(addr, end); ++ pt = psb_mmu_pt_map_lock(pd, addr); ++ if (!pt) ++ continue; ++ do { ++ psb_clflush(&pt->v[psb_mmu_pt_index(addr)]); ++ } while (addr += clflush_add, ++ (addr & clflush_mask) < next); ++ ++ psb_mmu_pt_unmap_unlock(pt); ++ } while (addr = next, next != end); ++ address += row_add; ++ } ++ mb(); ++} ++#else ++static void psb_mmu_flush_ptes(struct psb_mmu_pd *pd, unsigned long address, ++ uint32_t num_pages, uint32_t desired_tile_stride, ++ uint32_t hw_tile_stride) ++{ ++ drm_ttm_cache_flush(); ++} ++#endif ++ ++void psb_mmu_remove_pfn_sequence(struct psb_mmu_pd *pd, ++ unsigned long address, uint32_t num_pages) ++{ ++ struct psb_mmu_pt *pt; ++ unsigned long addr; ++ unsigned long end; ++ unsigned long next; ++ unsigned long f_address = address; ++ ++ down_read(&pd->driver->sem); ++ ++ addr = address; ++ end = addr + (num_pages << PAGE_SHIFT); ++ ++ do { ++ next = psb_pd_addr_end(addr, end); ++ pt = psb_mmu_pt_alloc_map_lock(pd, addr); ++ if (!pt) ++ goto out; ++ do { ++ psb_mmu_invalidate_pte(pt, addr); ++ --pt->count; ++ } while (addr += PAGE_SIZE, addr < next); ++ psb_mmu_pt_unmap_unlock(pt); ++ ++ } while (addr = next, next != end); ++ ++ out: ++ if (pd->hw_context != -1) ++ psb_mmu_flush_ptes(pd, f_address, num_pages, 1, 1); ++ ++ up_read(&pd->driver->sem); ++ ++ if (pd->hw_context != -1) ++ psb_mmu_flush(pd->driver); ++ ++ return; ++} ++ ++void psb_mmu_remove_pages(struct psb_mmu_pd *pd, unsigned long address, ++ uint32_t num_pages, uint32_t desired_tile_stride, ++ uint32_t hw_tile_stride) ++{ ++ struct psb_mmu_pt *pt; ++ uint32_t rows = 1; ++ uint32_t i; ++ unsigned long addr; ++ unsigned long end; ++ unsigned long next; ++ unsigned long add; ++ unsigned long row_add; ++ unsigned long f_address = address; ++ ++ if (hw_tile_stride) ++ rows = num_pages / desired_tile_stride; ++ else ++ desired_tile_stride = num_pages; ++ ++ add = desired_tile_stride << PAGE_SHIFT; ++ row_add = hw_tile_stride << PAGE_SHIFT; ++ ++ down_read(&pd->driver->sem); ++ ++ /* Make sure we only need to flush this processor's cache */ ++ ++ for (i = 0; i < rows; ++i) { ++ ++ addr = address; ++ end = addr + add; ++ ++ do { ++ next = psb_pd_addr_end(addr, end); ++ pt = psb_mmu_pt_map_lock(pd, addr); ++ if (!pt) ++ continue; ++ do { ++ psb_mmu_invalidate_pte(pt, addr); ++ --pt->count; ++ ++ } while (addr += PAGE_SIZE, addr < next); ++ psb_mmu_pt_unmap_unlock(pt); ++ ++ } while (addr = next, next != end); ++ address += row_add; ++ } ++ if (pd->hw_context != -1) ++ psb_mmu_flush_ptes(pd, f_address, num_pages, ++ desired_tile_stride, hw_tile_stride); ++ ++ up_read(&pd->driver->sem); ++ ++ if (pd->hw_context != -1) ++ psb_mmu_flush(pd->driver); ++} ++ ++int psb_mmu_insert_pfn_sequence(struct psb_mmu_pd *pd, uint32_t start_pfn, ++ unsigned long address, uint32_t num_pages, ++ int type) ++{ ++ struct psb_mmu_pt *pt; ++ uint32_t pte; ++ unsigned long addr; ++ unsigned long end; ++ unsigned long next; ++ unsigned long f_address = address; ++ int ret = -ENOMEM; ++ ++ down_read(&pd->driver->sem); ++ ++ addr = address; ++ end = addr + (num_pages << PAGE_SHIFT); ++ ++ do { ++ next = psb_pd_addr_end(addr, end); ++ pt = psb_mmu_pt_alloc_map_lock(pd, addr); ++ if (!pt) { ++ ret = -ENOMEM; ++ goto out; ++ } ++ do { ++ pte = psb_mmu_mask_pte(start_pfn++, type); ++ psb_mmu_set_pte(pt, addr, pte); ++ pt->count++; ++ } while (addr += PAGE_SIZE, addr < next); ++ psb_mmu_pt_unmap_unlock(pt); ++ ++ } while (addr = next, next != end); ++ ret = 0; ++ ++ out: ++ if (pd->hw_context != -1) ++ psb_mmu_flush_ptes(pd, f_address, num_pages, 1, 1); ++ ++ up_read(&pd->driver->sem); ++ ++ if (pd->hw_context != -1) ++ psb_mmu_flush(pd->driver); ++ ++ return 0; ++} ++ ++int psb_mmu_insert_pages(struct psb_mmu_pd *pd, struct page **pages, ++ unsigned long address, uint32_t num_pages, ++ uint32_t desired_tile_stride, uint32_t hw_tile_stride, ++ int type) ++{ ++ struct psb_mmu_pt *pt; ++ uint32_t rows = 1; ++ uint32_t i; ++ uint32_t pte; ++ unsigned long addr; ++ unsigned long end; ++ unsigned long next; ++ unsigned long add; ++ unsigned long row_add; ++ unsigned long f_address = address; ++ int ret = -ENOMEM; ++ ++ if (hw_tile_stride) { ++ if (num_pages % desired_tile_stride != 0) ++ return -EINVAL; ++ rows = num_pages / desired_tile_stride; ++ } else { ++ desired_tile_stride = num_pages; ++ } ++ ++ add = desired_tile_stride << PAGE_SHIFT; ++ row_add = hw_tile_stride << PAGE_SHIFT; ++ ++ down_read(&pd->driver->sem); ++ ++ for (i = 0; i < rows; ++i) { ++ ++ addr = address; ++ end = addr + add; ++ ++ do { ++ next = psb_pd_addr_end(addr, end); ++ pt = psb_mmu_pt_alloc_map_lock(pd, addr); ++ if (!pt) ++ goto out; ++ do { ++ pte = psb_mmu_mask_pte(page_to_pfn(*pages++), ++ type); ++ psb_mmu_set_pte(pt, addr, pte); ++ pt->count++; ++ } while (addr += PAGE_SIZE, addr < next); ++ psb_mmu_pt_unmap_unlock(pt); ++ ++ } while (addr = next, next != end); ++ ++ address += row_add; ++ } ++ ret = 0; ++ out: ++ if (pd->hw_context != -1) ++ psb_mmu_flush_ptes(pd, f_address, num_pages, ++ desired_tile_stride, hw_tile_stride); ++ ++ up_read(&pd->driver->sem); ++ ++ if (pd->hw_context != -1) ++ psb_mmu_flush(pd->driver); ++ ++ return 0; ++} ++ ++void psb_mmu_enable_requestor(struct psb_mmu_driver *driver, uint32_t mask) ++{ ++ mask &= _PSB_MMU_ER_MASK; ++ psb_iowrite32(driver, psb_ioread32(driver, PSB_CR_BIF_CTRL) & ~mask, ++ PSB_CR_BIF_CTRL); ++ (void)psb_ioread32(driver, PSB_CR_BIF_CTRL); ++} ++ ++void psb_mmu_disable_requestor(struct psb_mmu_driver *driver, uint32_t mask) ++{ ++ mask &= _PSB_MMU_ER_MASK; ++ psb_iowrite32(driver, psb_ioread32(driver, PSB_CR_BIF_CTRL) | mask, ++ PSB_CR_BIF_CTRL); ++ (void)psb_ioread32(driver, PSB_CR_BIF_CTRL); ++} ++ ++int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual, ++ unsigned long *pfn) ++{ ++ int ret; ++ struct psb_mmu_pt *pt; ++ uint32_t tmp; ++ spinlock_t *lock = &pd->driver->lock; ++ ++ down_read(&pd->driver->sem); ++ pt = psb_mmu_pt_map_lock(pd, virtual); ++ if (!pt) { ++ uint32_t *v; ++ ++ spin_lock(lock); ++ v = kmap_atomic(pd->p, KM_USER0); ++ tmp = v[psb_mmu_pd_index(virtual)]; ++ kunmap_atomic(v, KM_USER0); ++ spin_unlock(lock); ++ ++ if (tmp != pd->invalid_pde || !(tmp & PSB_PTE_VALID) || ++ !(pd->invalid_pte & PSB_PTE_VALID)) { ++ ret = -EINVAL; ++ goto out; ++ } ++ ret = 0; ++ *pfn = pd->invalid_pte >> PAGE_SHIFT; ++ goto out; ++ } ++ tmp = pt->v[psb_mmu_pt_index(virtual)]; ++ if (!(tmp & PSB_PTE_VALID)) { ++ ret = -EINVAL; ++ } else { ++ ret = 0; ++ *pfn = tmp >> PAGE_SHIFT; ++ } ++ psb_mmu_pt_unmap_unlock(pt); ++ out: ++ up_read(&pd->driver->sem); ++ return ret; ++} ++ ++void psb_mmu_test(struct psb_mmu_driver *driver, uint32_t offset) ++{ ++ struct page *p; ++ unsigned long pfn; ++ int ret = 0; ++ struct psb_mmu_pd *pd; ++ uint32_t *v; ++ uint32_t *vmmu; ++ ++ pd = driver->default_pd; ++ if (!pd) { ++ printk(KERN_WARNING "Could not get default pd\n"); ++ } ++ ++ p = alloc_page(GFP_DMA32); ++ ++ if (!p) { ++ printk(KERN_WARNING "Failed allocating page\n"); ++ return; ++ } ++ ++ v = kmap(p); ++ memset(v, 0x67, PAGE_SIZE); ++ ++ pfn = (offset >> PAGE_SHIFT); ++ ++ ret = psb_mmu_insert_pages(pd, &p, pfn << PAGE_SHIFT, 1, 0, 0, ++ PSB_MMU_CACHED_MEMORY); ++ if (ret) { ++ printk(KERN_WARNING "Failed inserting mmu page\n"); ++ goto out_err1; ++ } ++ ++ /* Ioremap the page through the GART aperture */ ++ ++ vmmu = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE); ++ if (!vmmu) { ++ printk(KERN_WARNING "Failed ioremapping page\n"); ++ goto out_err2; ++ } ++ ++ /* Read from the page with mmu disabled. */ ++ printk(KERN_INFO "Page first dword is 0x%08x\n", ioread32(vmmu)); ++ ++ /* Enable the mmu for host accesses and read again. */ ++ psb_mmu_enable_requestor(driver, _PSB_MMU_ER_HOST); ++ ++ printk(KERN_INFO "MMU Page first dword is (0x67676767) 0x%08x\n", ++ ioread32(vmmu)); ++ *v = 0x15243705; ++ printk(KERN_INFO "MMU Page new dword is (0x15243705) 0x%08x\n", ++ ioread32(vmmu)); ++ iowrite32(0x16243355, vmmu); ++ (void)ioread32(vmmu); ++ printk(KERN_INFO "Page new dword is (0x16243355) 0x%08x\n", *v); ++ ++ printk(KERN_INFO "Int stat is 0x%08x\n", ++ psb_ioread32(driver, PSB_CR_BIF_INT_STAT)); ++ printk(KERN_INFO "Fault is 0x%08x\n", ++ psb_ioread32(driver, PSB_CR_BIF_FAULT)); ++ ++ /* Disable MMU for host accesses and clear page fault register */ ++ psb_mmu_disable_requestor(driver, _PSB_MMU_ER_HOST); ++ iounmap(vmmu); ++ out_err2: ++ psb_mmu_remove_pages(pd, pfn << PAGE_SHIFT, 1, 0, 0); ++ out_err1: ++ kunmap(p); ++ __free_page(p); ++} +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_msvdx.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_msvdx.c 2009-02-20 12:47:58.000000000 +0000 +@@ -0,0 +1,671 @@ ++/** ++ * file psb_msvdx.c ++ * MSVDX I/O operations and IRQ handling ++ * ++ */ ++ ++/************************************************************************** ++ * ++ * Copyright (c) 2007 Intel Corporation, Hillsboro, OR, USA ++ * Copyright (c) Imagination Technologies Limited, UK ++ * All Rights Reserved. ++ * ++ * Permission is hereby granted, free of charge, to any person obtaining a ++ * copy of this software and associated documentation files (the ++ * "Software"), to deal in the Software without restriction, including ++ * without limitation the rights to use, copy, modify, merge, publish, ++ * distribute, sub license, and/or sell copies of the Software, and to ++ * permit persons to whom the Software is furnished to do so, subject to ++ * the following conditions: ++ * ++ * The above copyright notice and this permission notice (including the ++ * next paragraph) shall be included in all copies or substantial portions ++ * of the Software. ++ * ++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ++ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ++ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL ++ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, ++ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR ++ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE ++ * USE OR OTHER DEALINGS IN THE SOFTWARE. ++ * ++ **************************************************************************/ ++ ++#include "drmP.h" ++#include "drm_os_linux.h" ++#include "psb_drv.h" ++#include "psb_drm.h" ++#include "psb_msvdx.h" ++ ++#include <asm/io.h> ++#include <linux/delay.h> ++ ++#ifndef list_first_entry ++#define list_first_entry(ptr, type, member) \ ++ list_entry((ptr)->next, type, member) ++#endif ++ ++static int psb_msvdx_send (struct drm_device *dev, void *cmd, ++ unsigned long cmd_size); ++ ++int ++psb_msvdx_dequeue_send (struct drm_device *dev) ++{ ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ struct psb_msvdx_cmd_queue *msvdx_cmd = NULL; ++ int ret = 0; ++ ++ if (list_empty (&dev_priv->msvdx_queue)) ++ { ++ PSB_DEBUG_GENERAL ("MSVDXQUE: msvdx list empty.\n"); ++ dev_priv->msvdx_busy = 0; ++ return -EINVAL; ++ } ++ msvdx_cmd = ++ list_first_entry (&dev_priv->msvdx_queue, struct psb_msvdx_cmd_queue, ++ head); ++ PSB_DEBUG_GENERAL ("MSVDXQUE: Queue has id %08x\n", msvdx_cmd->sequence); ++ ret = psb_msvdx_send (dev, msvdx_cmd->cmd, msvdx_cmd->cmd_size); ++ if (ret) ++ { ++ PSB_DEBUG_GENERAL ("MSVDXQUE: psb_msvdx_send failed\n"); ++ ret = -EINVAL; ++ } ++ list_del (&msvdx_cmd->head); ++ kfree (msvdx_cmd->cmd); ++ drm_free (msvdx_cmd, sizeof (struct psb_msvdx_cmd_queue), DRM_MEM_DRIVER); ++ return ret; ++} ++ ++int ++psb_msvdx_map_command (struct drm_device *dev, ++ struct drm_buffer_object *cmd_buffer, ++ unsigned long cmd_offset, unsigned long cmd_size, ++ void **msvdx_cmd, uint32_t sequence, int copy_cmd) ++{ ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ int ret = 0; ++ unsigned long cmd_page_offset = cmd_offset & ~PAGE_MASK; ++ unsigned long cmd_size_remaining; ++ struct drm_bo_kmap_obj cmd_kmap; ++ void *cmd, *tmp, *cmd_start; ++ int is_iomem; ++ ++ /* command buffers may not exceed page boundary */ ++ if (cmd_size + cmd_page_offset > PAGE_SIZE) ++ return -EINVAL; ++ ++ ret = drm_bo_kmap (cmd_buffer, cmd_offset >> PAGE_SHIFT, 2, &cmd_kmap); ++ ++ if (ret) ++ { ++ PSB_DEBUG_GENERAL ("MSVDXQUE:ret:%d\n", ret); ++ return ret; ++ } ++ ++ cmd_start = ++ (void *) drm_bmo_virtual (&cmd_kmap, &is_iomem) + cmd_page_offset; ++ cmd = cmd_start; ++ cmd_size_remaining = cmd_size; ++ ++ while (cmd_size_remaining > 0) ++ { ++ uint32_t mmu_ptd; ++ uint32_t cur_cmd_size = MEMIO_READ_FIELD (cmd, FWRK_GENMSG_SIZE); ++ uint32_t cur_cmd_id = MEMIO_READ_FIELD (cmd, FWRK_GENMSG_ID); ++ PSB_DEBUG_GENERAL ++ ("cmd start at %08x cur_cmd_size = %d cur_cmd_id = %02x fence = %08x\n", ++ (uint32_t) cmd, cur_cmd_size, cur_cmd_id, sequence); ++ if ((cur_cmd_size % sizeof (uint32_t)) ++ || (cur_cmd_size > cmd_size_remaining)) ++ { ++ ret = -EINVAL; ++ PSB_DEBUG_GENERAL ("MSVDX: ret:%d\n", ret); ++ goto out; ++ } ++ ++ switch (cur_cmd_id) ++ { ++ case VA_MSGID_RENDER: ++ /* Fence ID */ ++ MEMIO_WRITE_FIELD (cmd, FW_VA_RENDER_FENCE_VALUE, sequence); ++ ++ mmu_ptd = psb_get_default_pd_addr (dev_priv->mmu); ++ if (atomic_cmpxchg(&dev_priv->msvdx_mmu_invaldc, 1, 0) == 1) ++ { ++ mmu_ptd |= 1; ++ PSB_DEBUG_GENERAL ("MSVDX: Setting MMU invalidate flag\n"); ++ } ++ /* PTD */ ++ MEMIO_WRITE_FIELD (cmd, FW_VA_RENDER_MMUPTD, mmu_ptd); ++ break; ++ ++ default: ++ /* Msg not supported */ ++ ret = -EINVAL; ++ PSB_DEBUG_GENERAL ("MSVDX: ret:%d\n", ret); ++ goto out; ++ } ++ ++ cmd += cur_cmd_size; ++ cmd_size_remaining -= cur_cmd_size; ++ } ++ ++ if (copy_cmd) ++ { ++ PSB_DEBUG_GENERAL ++ ("MSVDXQUE: psb_msvdx_map_command copying command...\n"); ++ tmp = drm_calloc (1, cmd_size, DRM_MEM_DRIVER); ++ if (tmp == NULL) ++ { ++ ret = -ENOMEM; ++ PSB_DEBUG_GENERAL ("MSVDX: ret:%d\n", ret); ++ goto out; ++ } ++ memcpy (tmp, cmd_start, cmd_size); ++ *msvdx_cmd = tmp; ++ } ++ else ++ { ++ PSB_DEBUG_GENERAL ++ ("MSVDXQUE: psb_msvdx_map_command did NOT copy command...\n"); ++ ret = psb_msvdx_send (dev, cmd_start, cmd_size); ++ if (ret) ++ { ++ PSB_DEBUG_GENERAL ("MSVDXQUE: psb_msvdx_send failed\n"); ++ ret = -EINVAL; ++ } ++ } ++ ++out: ++ drm_bo_kunmap (&cmd_kmap); ++ ++ return ret; ++} ++ ++int ++psb_submit_video_cmdbuf (struct drm_device *dev, ++ struct drm_buffer_object *cmd_buffer, ++ unsigned long cmd_offset, unsigned long cmd_size, ++ struct drm_fence_object *fence) ++{ ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ uint32_t sequence = fence->sequence; ++ unsigned long irq_flags; ++ int ret = 0; ++ ++ mutex_lock (&dev_priv->msvdx_mutex); ++ psb_schedule_watchdog (dev_priv); ++ ++ spin_lock_irqsave (&dev_priv->msvdx_lock, irq_flags); ++ if (dev_priv->msvdx_needs_reset) ++ { ++ spin_unlock_irqrestore (&dev_priv->msvdx_lock, irq_flags); ++ PSB_DEBUG_GENERAL ("MSVDX: Needs reset\n"); ++ if (psb_msvdx_reset (dev_priv)) ++ { ++ mutex_unlock (&dev_priv->msvdx_mutex); ++ ret = -EBUSY; ++ PSB_DEBUG_GENERAL ("MSVDX: Reset failed\n"); ++ return ret; ++ } ++ PSB_DEBUG_GENERAL ("MSVDX: Reset ok\n"); ++ dev_priv->msvdx_needs_reset = 0; ++ dev_priv->msvdx_busy = 0; ++ dev_priv->msvdx_start_idle = 0; ++ ++ psb_msvdx_init (dev); ++ psb_msvdx_irq_preinstall (dev_priv); ++ psb_msvdx_irq_postinstall (dev_priv); ++ PSB_DEBUG_GENERAL ("MSVDX: Init ok\n"); ++ spin_lock_irqsave (&dev_priv->msvdx_lock, irq_flags); ++ } ++ ++ if (!dev_priv->msvdx_busy) ++ { ++ dev_priv->msvdx_busy = 1; ++ spin_unlock_irqrestore (&dev_priv->msvdx_lock, irq_flags); ++ PSB_DEBUG_GENERAL ++ ("MSVDXQUE: nothing in the queue sending sequence:%08x..\n", ++ sequence); ++ ret = ++ psb_msvdx_map_command (dev, cmd_buffer, cmd_offset, cmd_size, ++ NULL, sequence, 0); ++ if (ret) ++ { ++ mutex_unlock (&dev_priv->msvdx_mutex); ++ PSB_DEBUG_GENERAL ("MSVDXQUE: Failed to extract cmd...\n"); ++ return ret; ++ } ++ } ++ else ++ { ++ struct psb_msvdx_cmd_queue *msvdx_cmd; ++ void *cmd = NULL; ++ ++ spin_unlock_irqrestore (&dev_priv->msvdx_lock, irq_flags); ++ /*queue the command to be sent when the h/w is ready */ ++ PSB_DEBUG_GENERAL ("MSVDXQUE: queueing sequence:%08x..\n", sequence); ++ msvdx_cmd = ++ drm_calloc (1, sizeof (struct psb_msvdx_cmd_queue), DRM_MEM_DRIVER); ++ if (msvdx_cmd == NULL) ++ { ++ mutex_unlock (&dev_priv->msvdx_mutex); ++ PSB_DEBUG_GENERAL ("MSVDXQUE: Out of memory...\n"); ++ return -ENOMEM; ++ } ++ ++ ret = ++ psb_msvdx_map_command (dev, cmd_buffer, cmd_offset, cmd_size, ++ &cmd, sequence, 1); ++ if (ret) ++ { ++ mutex_unlock (&dev_priv->msvdx_mutex); ++ PSB_DEBUG_GENERAL ("MSVDXQUE: Failed to extract cmd...\n"); ++ drm_free (msvdx_cmd, sizeof (struct psb_msvdx_cmd_queue), ++ DRM_MEM_DRIVER); ++ return ret; ++ } ++ msvdx_cmd->cmd = cmd; ++ msvdx_cmd->cmd_size = cmd_size; ++ msvdx_cmd->sequence = sequence; ++ spin_lock_irqsave (&dev_priv->msvdx_lock, irq_flags); ++ list_add_tail (&msvdx_cmd->head, &dev_priv->msvdx_queue); ++ if (!dev_priv->msvdx_busy) ++ { ++ dev_priv->msvdx_busy = 1; ++ PSB_DEBUG_GENERAL ("MSVDXQUE: Need immediate dequeue\n"); ++ psb_msvdx_dequeue_send (dev); ++ } ++ spin_unlock_irqrestore (&dev_priv->msvdx_lock, irq_flags); ++ } ++ mutex_unlock (&dev_priv->msvdx_mutex); ++ return ret; ++} ++ ++int ++psb_msvdx_send (struct drm_device *dev, void *cmd, unsigned long cmd_size) ++{ ++ int ret = 0; ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ ++ while (cmd_size > 0) ++ { ++ uint32_t cur_cmd_size = MEMIO_READ_FIELD (cmd, FWRK_GENMSG_SIZE); ++ if (cur_cmd_size > cmd_size) ++ { ++ ret = -EINVAL; ++ PSB_DEBUG_GENERAL ++ ("MSVDX: cmd_size = %d cur_cmd_size = %d\n", ++ (int) cmd_size, cur_cmd_size); ++ goto out; ++ } ++ /* Send the message to h/w */ ++ ret = psb_mtx_send (dev_priv, cmd); ++ if (ret) ++ { ++ PSB_DEBUG_GENERAL ("MSVDX: ret:%d\n", ret); ++ goto out; ++ } ++ cmd += cur_cmd_size; ++ cmd_size -= cur_cmd_size; ++ } ++ ++out: ++ PSB_DEBUG_GENERAL ("MSVDX: ret:%d\n", ret); ++ return ret; ++} ++ ++int ++psb_mtx_send (struct drm_psb_private *dev_priv, const void *pvMsg) ++{ ++ ++ static uint32_t padMessage[FWRK_PADMSG_SIZE]; ++ ++ const uint32_t *pui32Msg = (uint32_t *) pvMsg; ++ uint32_t msgNumWords, wordsFree, readIndex, writeIndex; ++ int ret = 0; ++ ++ PSB_DEBUG_GENERAL ("MSVDX: psb_mtx_send\n"); ++ ++ /* we need clocks enabled before we touch VEC local ram */ ++ PSB_WMSVDX32 (clk_enable_all, MSVDX_MAN_CLK_ENABLE); ++ ++ msgNumWords = (MEMIO_READ_FIELD (pvMsg, FWRK_GENMSG_SIZE) + 3) / 4; ++ ++ if (msgNumWords > NUM_WORDS_MTX_BUF) ++ { ++ ret = -EINVAL; ++ PSB_DEBUG_GENERAL ("MSVDX: ret:%d\n", ret); ++ goto out; ++ } ++ ++ readIndex = PSB_RMSVDX32 (MSVDX_COMMS_TO_MTX_RD_INDEX); ++ writeIndex = PSB_RMSVDX32 (MSVDX_COMMS_TO_MTX_WRT_INDEX); ++ ++ if (writeIndex + msgNumWords > NUM_WORDS_MTX_BUF) ++ { /* message would wrap, need to send a pad message */ ++ BUG_ON (MEMIO_READ_FIELD (pvMsg, FWRK_GENMSG_ID) == FWRK_MSGID_PADDING); /* Shouldn't happen for a PAD message itself */ ++ /* if the read pointer is at zero then we must wait for it to change otherwise the write ++ * pointer will equal the read pointer,which should only happen when the buffer is empty ++ * ++ * This will only happens if we try to overfill the queue, queue management should make ++ * sure this never happens in the first place. ++ */ ++ BUG_ON (0 == readIndex); ++ if (0 == readIndex) ++ { ++ ret = -EINVAL; ++ PSB_DEBUG_GENERAL ("MSVDX: ret:%d\n", ret); ++ goto out; ++ } ++ /* Send a pad message */ ++ MEMIO_WRITE_FIELD (padMessage, FWRK_GENMSG_SIZE, ++ (NUM_WORDS_MTX_BUF - writeIndex) << 2); ++ MEMIO_WRITE_FIELD (padMessage, FWRK_GENMSG_ID, FWRK_MSGID_PADDING); ++ psb_mtx_send (dev_priv, padMessage); ++ writeIndex = PSB_RMSVDX32 (MSVDX_COMMS_TO_MTX_WRT_INDEX); ++ } ++ ++ wordsFree = ++ (writeIndex >= ++ readIndex) ? NUM_WORDS_MTX_BUF - (writeIndex - ++ readIndex) : readIndex - writeIndex; ++ ++ BUG_ON (msgNumWords > wordsFree); ++ if (msgNumWords > wordsFree) ++ { ++ ret = -EINVAL; ++ PSB_DEBUG_GENERAL ("MSVDX: ret:%d\n", ret); ++ goto out; ++ } ++ ++ while (msgNumWords > 0) ++ { ++ PSB_WMSVDX32 (*pui32Msg++, MSVDX_COMMS_TO_MTX_BUF + (writeIndex << 2)); ++ msgNumWords--; ++ writeIndex++; ++ if (NUM_WORDS_MTX_BUF == writeIndex) ++ { ++ writeIndex = 0; ++ } ++ } ++ PSB_WMSVDX32 (writeIndex, MSVDX_COMMS_TO_MTX_WRT_INDEX); ++ ++ /* Make sure clocks are enabled before we kick */ ++ PSB_WMSVDX32 (clk_enable_all, MSVDX_MAN_CLK_ENABLE); ++ ++ /* signal an interrupt to let the mtx know there is a new message */ ++ PSB_WMSVDX32 (1, MSVDX_MTX_KICKI); ++ ++out: ++ return ret; ++} ++ ++/* ++ * MSVDX MTX interrupt ++ */ ++void ++psb_msvdx_mtx_interrupt (struct drm_device *dev) ++{ ++ static uint32_t msgBuffer[128]; ++ uint32_t readIndex, writeIndex; ++ uint32_t msgNumWords, msgWordOffset; ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *) dev->dev_private; ++ ++ /* Are clocks enabled - If not enable before attempting to read from VLR */ ++ if (PSB_RMSVDX32 (MSVDX_MAN_CLK_ENABLE) != (clk_enable_all)) ++ { ++ PSB_DEBUG_GENERAL ++ ("MSVDX: Warning - Clocks disabled when Interupt set\n"); ++ PSB_WMSVDX32 (clk_enable_all, MSVDX_MAN_CLK_ENABLE); ++ } ++ ++ for (;;) ++ { ++ readIndex = PSB_RMSVDX32 (MSVDX_COMMS_TO_HOST_RD_INDEX); ++ writeIndex = PSB_RMSVDX32 (MSVDX_COMMS_TO_HOST_WRT_INDEX); ++ ++ if (readIndex != writeIndex) ++ { ++ msgWordOffset = 0; ++ ++ msgBuffer[msgWordOffset] = ++ PSB_RMSVDX32 (MSVDX_COMMS_TO_HOST_BUF + (readIndex << 2)); ++ ++ msgNumWords = (MEMIO_READ_FIELD (msgBuffer, FWRK_GENMSG_SIZE) + 3) / 4; /* round to nearest word */ ++ ++ /*ASSERT(msgNumWords <= sizeof(msgBuffer) / sizeof(uint32_t)); */ ++ ++ if (++readIndex >= NUM_WORDS_HOST_BUF) ++ readIndex = 0; ++ ++ for (msgWordOffset++; msgWordOffset < msgNumWords; msgWordOffset++) ++ { ++ msgBuffer[msgWordOffset] = ++ PSB_RMSVDX32 (MSVDX_COMMS_TO_HOST_BUF + (readIndex << 2)); ++ ++ if (++readIndex >= NUM_WORDS_HOST_BUF) ++ { ++ readIndex = 0; ++ } ++ } ++ ++ /* Update the Read index */ ++ PSB_WMSVDX32 (readIndex, MSVDX_COMMS_TO_HOST_RD_INDEX); ++ ++ if (!dev_priv->msvdx_needs_reset) ++ switch (MEMIO_READ_FIELD (msgBuffer, FWRK_GENMSG_ID)) ++ { ++ case VA_MSGID_CMD_HW_PANIC: ++ case VA_MSGID_CMD_FAILED: ++ { ++ uint32_t ui32Fence = MEMIO_READ_FIELD (msgBuffer, ++ FW_VA_CMD_FAILED_FENCE_VALUE); ++ uint32_t ui32FaultStatus = MEMIO_READ_FIELD (msgBuffer, ++ FW_VA_CMD_FAILED_IRQSTATUS); ++ ++ if(MEMIO_READ_FIELD (msgBuffer, FWRK_GENMSG_ID) == VA_MSGID_CMD_HW_PANIC ) ++ PSB_DEBUG_GENERAL ++ ("MSVDX: VA_MSGID_CMD_HW_PANIC: Msvdx fault detected - Fence: %08x, Status: %08x - resetting and ignoring error\n", ++ ui32Fence, ui32FaultStatus); ++ else ++ PSB_DEBUG_GENERAL ++ ("MSVDX: VA_MSGID_CMD_FAILED: Msvdx fault detected - Fence: %08x, Status: %08x - resetting and ignoring error\n", ++ ui32Fence, ui32FaultStatus); ++ ++ dev_priv->msvdx_needs_reset = 1; ++ ++ if(MEMIO_READ_FIELD (msgBuffer, FWRK_GENMSG_ID) == VA_MSGID_CMD_HW_PANIC) ++ { ++ if (dev_priv-> ++ msvdx_current_sequence ++ - dev_priv->sequence[PSB_ENGINE_VIDEO] > 0x0FFFFFFF) ++ dev_priv->msvdx_current_sequence++; ++ PSB_DEBUG_GENERAL ++ ("MSVDX: Fence ID missing, assuming %08x\n", ++ dev_priv->msvdx_current_sequence); ++ } ++ else ++ dev_priv->msvdx_current_sequence = ui32Fence; ++ ++ psb_fence_error (dev, ++ PSB_ENGINE_VIDEO, ++ dev_priv-> ++ msvdx_current_sequence, ++ DRM_FENCE_TYPE_EXE, DRM_CMD_FAILED); ++ ++ /* Flush the command queue */ ++ psb_msvdx_flush_cmd_queue (dev); ++ ++ goto isrExit; ++ break; ++ } ++ case VA_MSGID_CMD_COMPLETED: ++ { ++ uint32_t ui32Fence = MEMIO_READ_FIELD (msgBuffer, ++ FW_VA_CMD_COMPLETED_FENCE_VALUE); ++ uint32_t ui32Flags = ++ MEMIO_READ_FIELD (msgBuffer, FW_VA_CMD_COMPLETED_FLAGS); ++ ++ PSB_DEBUG_GENERAL ++ ("msvdx VA_MSGID_CMD_COMPLETED: FenceID: %08x, flags: 0x%x\n", ++ ui32Fence, ui32Flags); ++ dev_priv->msvdx_current_sequence = ui32Fence; ++ ++ psb_fence_handler (dev, PSB_ENGINE_VIDEO); ++ ++ ++ if (ui32Flags & FW_VA_RENDER_HOST_INT) ++ { ++ /*Now send the next command from the msvdx cmd queue */ ++ psb_msvdx_dequeue_send (dev); ++ goto isrExit; ++ } ++ break; ++ } ++ case VA_MSGID_ACK: ++ PSB_DEBUG_GENERAL ("msvdx VA_MSGID_ACK\n"); ++ break; ++ ++ case VA_MSGID_TEST1: ++ PSB_DEBUG_GENERAL ("msvdx VA_MSGID_TEST1\n"); ++ break; ++ ++ case VA_MSGID_TEST2: ++ PSB_DEBUG_GENERAL ("msvdx VA_MSGID_TEST2\n"); ++ break; ++ /* Don't need to do anything with these messages */ ++ ++ case VA_MSGID_DEBLOCK_REQUIRED: ++ { ++ uint32_t ui32ContextId = MEMIO_READ_FIELD (msgBuffer, ++ FW_VA_DEBLOCK_REQUIRED_CONTEXT); ++ ++ /* The BE we now be locked. */ ++ ++ /* Unblock rendec by reading the mtx2mtx end of slice */ ++ (void) PSB_RMSVDX32 (MSVDX_RENDEC_READ_DATA); ++ ++ PSB_DEBUG_GENERAL ++ ("msvdx VA_MSGID_DEBLOCK_REQUIRED Context=%08x\n", ++ ui32ContextId); ++ goto isrExit; ++ break; ++ } ++ ++ default: ++ { ++ PSB_DEBUG_GENERAL ++ ("ERROR: msvdx Unknown message from MTX \n"); ++ } ++ break; ++ ++ } ++ } ++ else ++ { ++ /* Get out of here if nothing */ ++ break; ++ } ++ } ++isrExit: ++ ++#if 1 ++ if (!dev_priv->msvdx_busy) ++ { ++ /* check that clocks are enabled before reading VLR */ ++ if( PSB_RMSVDX32( MSVDX_MAN_CLK_ENABLE ) != (clk_enable_all) ) ++ PSB_WMSVDX32 (clk_enable_all, MSVDX_MAN_CLK_ENABLE); ++ ++ /* If the firmware says the hardware is idle and the CCB is empty then we can power down */ ++ { ++ uint32_t ui32FWStatus = PSB_RMSVDX32( MSVDX_COMMS_FW_STATUS ); ++ uint32_t ui32CCBRoff = PSB_RMSVDX32 ( MSVDX_COMMS_TO_MTX_RD_INDEX ); ++ uint32_t ui32CCBWoff = PSB_RMSVDX32 ( MSVDX_COMMS_TO_MTX_WRT_INDEX ); ++ ++ if( (ui32FWStatus & MSVDX_FW_STATUS_HW_IDLE) && (ui32CCBRoff == ui32CCBWoff)) ++ { ++ PSB_DEBUG_GENERAL("MSVDX_CLOCK: Setting clock to minimal...\n"); ++ PSB_WMSVDX32 (clk_enable_minimal, MSVDX_MAN_CLK_ENABLE); ++ } ++ } ++ } ++#endif ++ DRM_MEMORYBARRIER (); ++} ++ ++void ++psb_msvdx_lockup (struct drm_psb_private *dev_priv, ++ int *msvdx_lockup, int *msvdx_idle) ++{ ++ unsigned long irq_flags; ++// struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ ++ spin_lock_irqsave (&dev_priv->msvdx_lock, irq_flags); ++ *msvdx_lockup = 0; ++ *msvdx_idle = 1; ++ ++ if (!dev_priv->has_msvdx) ++ { ++ spin_unlock_irqrestore (&dev_priv->msvdx_lock, irq_flags); ++ return; ++ } ++#if 0 ++ PSB_DEBUG_GENERAL ("MSVDXTimer: current_sequence:%d " ++ "last_sequence:%d and last_submitted_sequence :%d\n", ++ dev_priv->msvdx_current_sequence, ++ dev_priv->msvdx_last_sequence, ++ dev_priv->sequence[PSB_ENGINE_VIDEO]); ++#endif ++ if (dev_priv->msvdx_current_sequence - ++ dev_priv->sequence[PSB_ENGINE_VIDEO] > 0x0FFFFFFF) ++ { ++ ++ if (dev_priv->msvdx_current_sequence == dev_priv->msvdx_last_sequence) ++ { ++ PSB_DEBUG_GENERAL ++ ("MSVDXTimer: msvdx locked-up for sequence:%d\n", ++ dev_priv->msvdx_current_sequence); ++ *msvdx_lockup = 1; ++ } ++ else ++ { ++ PSB_DEBUG_GENERAL ("MSVDXTimer: msvdx responded fine so far...\n"); ++ dev_priv->msvdx_last_sequence = dev_priv->msvdx_current_sequence; ++ *msvdx_idle = 0; ++ } ++ if (dev_priv->msvdx_start_idle) ++ dev_priv->msvdx_start_idle = 0; ++ } ++ else ++ { ++ if (dev_priv->msvdx_needs_reset == 0) ++ { ++ if (dev_priv->msvdx_start_idle && (dev_priv->msvdx_finished_sequence == dev_priv->msvdx_current_sequence)) ++ { ++ //if (dev_priv->msvdx_idle_start_jiffies + MSVDX_MAX_IDELTIME >= jiffies) ++ if (time_after_eq(jiffies, dev_priv->msvdx_idle_start_jiffies + MSVDX_MAX_IDELTIME)) ++ { ++ printk("set the msvdx clock to 0 in the %s\n", __FUNCTION__); ++ PSB_WMSVDX32 (0, MSVDX_MAN_CLK_ENABLE); ++ dev_priv->msvdx_needs_reset = 1; ++ } ++ else ++ { ++ *msvdx_idle = 0; ++ } ++ } ++ else ++ { ++ dev_priv->msvdx_start_idle = 1; ++ dev_priv->msvdx_idle_start_jiffies = jiffies; ++ dev_priv->msvdx_finished_sequence = dev_priv->msvdx_current_sequence; ++ *msvdx_idle = 0; ++ } ++ } ++ } ++ spin_unlock_irqrestore (&dev_priv->msvdx_lock, irq_flags); ++} +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_msvdx.h +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_msvdx.h 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,564 @@ ++/************************************************************************** ++ * ++ * Copyright (c) 2007 Intel Corporation, Hillsboro, OR, USA ++ * Copyright (c) Imagination Technologies Limited, UK ++ * All Rights Reserved. ++ * ++ * Permission is hereby granted, free of charge, to any person obtaining a ++ * copy of this software and associated documentation files (the ++ * "Software"), to deal in the Software without restriction, including ++ * without limitation the rights to use, copy, modify, merge, publish, ++ * distribute, sub license, and/or sell copies of the Software, and to ++ * permit persons to whom the Software is furnished to do so, subject to ++ * the following conditions: ++ * ++ * The above copyright notice and this permission notice (including the ++ * next paragraph) shall be included in all copies or substantial portions ++ * of the Software. ++ * ++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ++ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ++ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL ++ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, ++ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR ++ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE ++ * USE OR OTHER DEALINGS IN THE SOFTWARE. ++ * ++ **************************************************************************/ ++ ++#ifndef _PSB_MSVDX_H_ ++#define _PSB_MSVDX_H_ ++ ++#define assert(expr) \ ++ if(unlikely(!(expr))) { \ ++ printk(KERN_ERR "Assertion failed! %s,%s,%s,line=%d\n", \ ++ #expr,__FILE__,__FUNCTION__,__LINE__); \ ++ } ++ ++#define PSB_ASSERT(x) assert (x) ++#define IMG_ASSERT(x) assert (x) ++ ++#include "psb_drv.h" ++int ++psb_wait_for_register (struct drm_psb_private *dev_priv, ++ uint32_t ui32Offset, ++ uint32_t ui32Value, uint32_t ui32Enable); ++ ++void psb_msvdx_mtx_interrupt (struct drm_device *dev); ++int psb_msvdx_init (struct drm_device *dev); ++int psb_msvdx_uninit (struct drm_device *dev); ++int psb_msvdx_reset (struct drm_psb_private *dev_priv); ++uint32_t psb_get_default_pd_addr (struct psb_mmu_driver *driver); ++int psb_mtx_send (struct drm_psb_private *dev_priv, const void *pvMsg); ++void psb_msvdx_irq_preinstall (struct drm_psb_private *dev_priv); ++void psb_msvdx_irq_postinstall (struct drm_psb_private *dev_priv); ++void psb_msvdx_flush_cmd_queue (struct drm_device *dev); ++extern void psb_msvdx_lockup (struct drm_psb_private *dev_priv, ++ int *msvdx_lockup, int *msvdx_idle); ++#define MSVDX_DEVICE_NODE_FLAGS_MMU_NONOPT_INV 2 /* Non-Optimal Invalidation is not default */ ++#define FW_VA_RENDER_HOST_INT 0x00004000 ++#define MSVDX_DEVICE_NODE_FLAGS_MMU_HW_INVALIDATION 0x00000020 ++ ++#define MSVDX_DEVICE_NODE_FLAG_BRN23154_BLOCK_ON_FE 0x00000200 ++ ++#define MSVDX_DEVICE_NODE_FLAGS_DEFAULT_D0 (MSVDX_DEVICE_NODE_FLAGS_MMU_NONOPT_INV | MSVDX_DEVICE_NODE_FLAGS_MMU_HW_INVALIDATION \ ++ | MSVDX_DEVICE_NODE_FLAG_BRN23154_BLOCK_ON_FE) ++#define MSVDX_DEVICE_NODE_FLAGS_DEFAULT_D1 (MSVDX_DEVICE_NODE_FLAGS_MMU_HW_INVALIDATION \ ++ | MSVDX_DEVICE_NODE_FLAG_BRN23154_BLOCK_ON_FE) ++ ++ ++#define POULSBO_D0 0x5 ++#define POULSBO_D1 0x6 ++#define PSB_REVID_OFFSET 0x8 ++ ++#define MSVDX_FW_STATUS_HW_IDLE 0x00000001 /* There is no work currently underway on the hardware*/ ++ ++#define clk_enable_all MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_CORE_MAN_CLK_ENABLE_MASK | \ ++ MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_VDEB_PROCESS_MAN_CLK_ENABLE_MASK | \ ++ MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_VDEB_ACCESS_MAN_CLK_ENABLE_MASK | \ ++ MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_VDMC_MAN_CLK_ENABLE_MASK | \ ++ MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_VEC_ENTDEC_MAN_CLK_ENABLE_MASK | \ ++ MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_VEC_ITRANS_MAN_CLK_ENABLE_MASK | \ ++ MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_MTX_MAN_CLK_ENABLE_MASK ++ ++#define clk_enable_minimal MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_CORE_MAN_CLK_ENABLE_MASK | \ ++ MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_MTX_MAN_CLK_ENABLE_MASK ++ ++#define clk_enable_auto MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_VDEB_PROCESS_AUTO_CLK_ENABLE_MASK | \ ++ MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_VDEB_ACCESS_AUTO_CLK_ENABLE_MASK | \ ++ MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_VDMC_AUTO_CLK_ENABLE_MASK | \ ++ MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_VEC_ENTDEC_AUTO_CLK_ENABLE_MASK | \ ++ MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_VEC_ITRANS_AUTO_CLK_ENABLE_MASK | \ ++ MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_CORE_MAN_CLK_ENABLE_MASK | \ ++ MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_MTX_MAN_CLK_ENABLE_MASK ++ ++#define msvdx_sw_reset_all MSVDX_CORE_CR_MSVDX_CONTROL_CR_MSVDX_SOFT_RESET_MASK | \ ++ MSVDX_CORE_CR_MSVDX_CONTROL_CR_MSVDX_FE_SOFT_RESET_MASK | \ ++ MSVDX_CORE_CR_MSVDX_CONTROL_CR_MSVDX_BE_SOFT_RESET_MASK | \ ++ MSVDX_CORE_CR_MSVDX_CONTROL_CR_MSVDX_VEC_MEMIF_SOFT_RESET_MASK | \ ++ MSVDX_CORE_CR_MSVDX_CONTROL_CR_MSVDX_VEC_RENDEC_DEC_SOFT_RESET_MASK ++ ++ ++#define PCI_PORT5_REG80_FFUSE 0xD0058000 ++#define MTX_CODE_BASE (0x80900000) ++#define MTX_DATA_BASE (0x82880000) ++#define PC_START_ADDRESS (0x80900000) ++ ++#define MTX_CORE_CODE_MEM (0x10 ) ++#define MTX_CORE_DATA_MEM (0x18 ) ++ ++#define MTX_INTERNAL_REG( R_SPECIFIER , U_SPECIFIER ) ( ((R_SPECIFIER)<<4) | (U_SPECIFIER) ) ++#define MTX_PC MTX_INTERNAL_REG( 0 , 5 ) ++ ++#define RENDEC_A_SIZE ( 2 * 1024* 1024 ) ++#define RENDEC_B_SIZE ( RENDEC_A_SIZE / 4 ) ++ ++#define MEMIO_READ_FIELD(vpMem, field) \ ++ ((uint32_t)(((*((field##_TYPE *)(((uint32_t)vpMem) + field##_OFFSET))) & field##_MASK) >> field##_SHIFT)) ++ ++#define MEMIO_WRITE_FIELD(vpMem, field, ui32Value) \ ++ (*((field##_TYPE *)(((uint32_t)vpMem) + field##_OFFSET))) = \ ++ ((*((field##_TYPE *)(((uint32_t)vpMem) + field##_OFFSET))) & (field##_TYPE)~field##_MASK) | \ ++ (field##_TYPE)(( (uint32_t) (ui32Value) << field##_SHIFT) & field##_MASK); ++ ++#define MEMIO_WRITE_FIELD_LITE(vpMem, field, ui32Value) \ ++ (*((field##_TYPE *)(((uint32_t)vpMem) + field##_OFFSET))) = \ ++ ((*((field##_TYPE *)(((uint32_t)vpMem) + field##_OFFSET))) | \ ++ (field##_TYPE) (( (uint32_t) (ui32Value) << field##_SHIFT)) ); ++ ++#define REGIO_READ_FIELD(ui32RegValue, reg, field) \ ++ ((ui32RegValue & reg##_##field##_MASK) >> reg##_##field##_SHIFT) ++ ++#define REGIO_WRITE_FIELD(ui32RegValue, reg, field, ui32Value) \ ++ (ui32RegValue) = \ ++ ((ui32RegValue) & ~(reg##_##field##_MASK)) | \ ++ (((ui32Value) << (reg##_##field##_SHIFT)) & (reg##_##field##_MASK)); ++ ++#define REGIO_WRITE_FIELD_LITE(ui32RegValue, reg, field, ui32Value) \ ++ (ui32RegValue) = \ ++ ( (ui32RegValue) | ( (ui32Value) << (reg##_##field##_SHIFT) ) ); ++ ++#define MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_CORE_MAN_CLK_ENABLE_MASK (0x00000001) ++#define MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_VDEB_PROCESS_MAN_CLK_ENABLE_MASK (0x00000002) ++#define MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_VDEB_ACCESS_MAN_CLK_ENABLE_MASK (0x00000004) ++#define MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_VDMC_MAN_CLK_ENABLE_MASK (0x00000008) ++#define MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_VEC_ENTDEC_MAN_CLK_ENABLE_MASK (0x00000010) ++#define MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_VEC_ITRANS_MAN_CLK_ENABLE_MASK (0x00000020) ++#define MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_MTX_MAN_CLK_ENABLE_MASK (0x00000040) ++#define MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_VDEB_ACCESS_AUTO_CLK_ENABLE_MASK (0x00040000) ++#define MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_VDMC_AUTO_CLK_ENABLE_MASK (0x00080000) ++#define MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_VEC_ENTDEC_AUTO_CLK_ENABLE_MASK (0x00100000) ++#define MSVDX_CORE_CR_MSVDX_MAN_CLK_ENABLE_CR_VEC_ITRANS_AUTO_CLK_ENABLE_MASK (0x00200000) ++#define MSVDX_CORE_CR_MSVDX_CONTROL_CR_MSVDX_SOFT_RESET_MASK (0x00000100) ++#define MSVDX_CORE_CR_MSVDX_CONTROL_CR_MSVDX_FE_SOFT_RESET_MASK (0x00010000) ++#define MSVDX_CORE_CR_MSVDX_CONTROL_CR_MSVDX_BE_SOFT_RESET_MASK (0x00100000) ++#define MSVDX_CORE_CR_MSVDX_CONTROL_CR_MSVDX_VEC_MEMIF_SOFT_RESET_MASK (0x01000000) ++#define MSVDX_CORE_CR_MSVDX_CONTROL_CR_MSVDX_VEC_RENDEC_DEC_SOFT_RESET_MASK (0x10000000) ++ ++/* MTX registers */ ++#define MSVDX_MTX_ENABLE (0x0000) ++#define MSVDX_MTX_KICKI (0x0088) ++#define MSVDX_MTX_REGISTER_READ_WRITE_REQUEST (0x00FC) ++#define MSVDX_MTX_REGISTER_READ_WRITE_DATA (0x00F8) ++#define MSVDX_MTX_RAM_ACCESS_DATA_TRANSFER (0x0104) ++#define MSVDX_MTX_RAM_ACCESS_CONTROL (0x0108) ++#define MSVDX_MTX_RAM_ACCESS_STATUS (0x010C) ++#define MSVDX_MTX_SOFT_RESET (0x0200) ++ ++/* MSVDX registers */ ++#define MSVDX_CONTROL (0x0600) ++#define MSVDX_INTERRUPT_CLEAR (0x060C) ++#define MSVDX_INTERRUPT_STATUS (0x0608) ++#define MSVDX_HOST_INTERRUPT_ENABLE (0x0610) ++#define MSVDX_MMU_CONTROL0 (0x0680) ++#define MSVDX_MTX_RAM_BANK (0x06F0) ++#define MSVDX_MAN_CLK_ENABLE (0x0620) ++ ++/* RENDEC registers */ ++#define MSVDX_RENDEC_CONTROL0 (0x0868) ++#define MSVDX_RENDEC_CONTROL1 (0x086C) ++#define MSVDX_RENDEC_BUFFER_SIZE (0x0870) ++#define MSVDX_RENDEC_BASE_ADDR0 (0x0874) ++#define MSVDX_RENDEC_BASE_ADDR1 (0x0878) ++#define MSVDX_RENDEC_READ_DATA (0x0898) ++#define MSVDX_RENDEC_CONTEXT0 (0x0950) ++#define MSVDX_RENDEC_CONTEXT1 (0x0954) ++#define MSVDX_RENDEC_CONTEXT2 (0x0958) ++#define MSVDX_RENDEC_CONTEXT3 (0x095C) ++#define MSVDX_RENDEC_CONTEXT4 (0x0960) ++#define MSVDX_RENDEC_CONTEXT5 (0x0964) ++ ++/* ++ * This defines the MSVDX communication buffer ++ */ ++#define MSVDX_COMMS_SIGNATURE_VALUE (0xA5A5A5A5) /*!< Signature value */ ++#define NUM_WORDS_HOST_BUF (100) /*!< Host buffer size (in 32-bit words) */ ++#define NUM_WORDS_MTX_BUF (100) /*!< MTX buffer size (in 32-bit words) */ ++ ++#define MSVDX_COMMS_AREA_ADDR (0x02cc0) ++ ++#define MSVDX_COMMS_FW_STATUS (MSVDX_COMMS_AREA_ADDR - 0x10) ++#define MSVDX_COMMS_SCRATCH (MSVDX_COMMS_AREA_ADDR - 0x08) ++#define MSVDX_COMMS_MSG_COUNTER (MSVDX_COMMS_AREA_ADDR - 0x04) ++#define MSVDX_COMMS_SIGNATURE (MSVDX_COMMS_AREA_ADDR + 0x00) ++#define MSVDX_COMMS_TO_HOST_BUF_SIZE (MSVDX_COMMS_AREA_ADDR + 0x04) ++#define MSVDX_COMMS_TO_HOST_RD_INDEX (MSVDX_COMMS_AREA_ADDR + 0x08) ++#define MSVDX_COMMS_TO_HOST_WRT_INDEX (MSVDX_COMMS_AREA_ADDR + 0x0C) ++#define MSVDX_COMMS_TO_MTX_BUF_SIZE (MSVDX_COMMS_AREA_ADDR + 0x10) ++#define MSVDX_COMMS_TO_MTX_RD_INDEX (MSVDX_COMMS_AREA_ADDR + 0x14) ++#define MSVDX_COMMS_OFFSET_FLAGS (MSVDX_COMMS_AREA_ADDR + 0x18) ++#define MSVDX_COMMS_TO_MTX_WRT_INDEX (MSVDX_COMMS_AREA_ADDR + 0x1C) ++#define MSVDX_COMMS_TO_HOST_BUF (MSVDX_COMMS_AREA_ADDR + 0x20) ++#define MSVDX_COMMS_TO_MTX_BUF (MSVDX_COMMS_TO_HOST_BUF + (NUM_WORDS_HOST_BUF << 2)) ++ ++#define MSVDX_COMMS_AREA_END (MSVDX_COMMS_TO_MTX_BUF + (NUM_WORDS_HOST_BUF << 2)) ++ ++#if (MSVDX_COMMS_AREA_END != 0x03000) ++#error ++#endif ++ ++#define MSVDX_MTX_REGISTER_READ_WRITE_REQUEST_MTX_DREADY_MASK (0x80000000) ++#define MSVDX_MTX_REGISTER_READ_WRITE_REQUEST_MTX_DREADY_SHIFT (31) ++ ++#define MSVDX_MTX_REGISTER_READ_WRITE_REQUEST_MTX_RNW_MASK (0x00010000) ++#define MSVDX_MTX_REGISTER_READ_WRITE_REQUEST_MTX_RNW_SHIFT (16) ++ ++#define MSVDX_MTX_RAM_ACCESS_CONTROL_MTX_MCMID_MASK (0x0FF00000) ++#define MSVDX_MTX_RAM_ACCESS_CONTROL_MTX_MCMID_SHIFT (20) ++ ++#define MSVDX_MTX_RAM_ACCESS_CONTROL_MTX_MCM_ADDR_MASK (0x000FFFFC) ++#define MSVDX_MTX_RAM_ACCESS_CONTROL_MTX_MCM_ADDR_SHIFT (2) ++ ++#define MSVDX_MTX_RAM_ACCESS_CONTROL_MTX_MCMAI_MASK (0x00000002) ++#define MSVDX_MTX_RAM_ACCESS_CONTROL_MTX_MCMAI_SHIFT (1) ++ ++#define MSVDX_MTX_RAM_ACCESS_CONTROL_MTX_MCMR_MASK (0x00000001) ++#define MSVDX_MTX_RAM_ACCESS_CONTROL_MTX_MCMR_SHIFT (0) ++ ++#define MSVDX_MTX_SOFT_RESET_MTX_RESET_MASK (0x00000001) ++#define MSVDX_MTX_SOFT_RESET_MTX_RESET_SHIFT (0) ++ ++#define MSVDX_MTX_ENABLE_MTX_ENABLE_MASK (0x00000001) ++#define MSVDX_MTX_ENABLE_MTX_ENABLE_SHIFT (0) ++ ++#define MSVDX_CONTROL_CR_MSVDX_SOFT_RESET_MASK (0x00000100) ++#define MSVDX_CONTROL_CR_MSVDX_SOFT_RESET_SHIFT (8) ++ ++#define MSVDX_INTERRUPT_STATUS_CR_MMU_FAULT_IRQ_MASK (0x00000F00) ++#define MSVDX_INTERRUPT_STATUS_CR_MMU_FAULT_IRQ_SHIFT (8) ++ ++#define MSVDX_INTERRUPT_STATUS_CR_MTX_IRQ_MASK (0x00004000) ++#define MSVDX_INTERRUPT_STATUS_CR_MTX_IRQ_SHIFT (14) ++ ++#define MSVDX_MMU_CONTROL0_CR_MMU_PAUSE_MASK (0x00000002) ++#define MSVDX_MMU_CONTROL0_CR_MMU_PAUSE_SHIFT (1) ++ ++#define MSVDX_MTX_RAM_BANK_CR_MTX_RAM_BANK_SIZE_MASK (0x000F0000) ++#define MSVDX_MTX_RAM_BANK_CR_MTX_RAM_BANK_SIZE_SHIFT (16) ++ ++#define MSVDX_RENDEC_BUFFER_SIZE_RENDEC_BUFFER_SIZE0_MASK (0x0000FFFF) ++#define MSVDX_RENDEC_BUFFER_SIZE_RENDEC_BUFFER_SIZE0_SHIFT (0) ++ ++#define MSVDX_RENDEC_BUFFER_SIZE_RENDEC_BUFFER_SIZE1_MASK (0xFFFF0000) ++#define MSVDX_RENDEC_BUFFER_SIZE_RENDEC_BUFFER_SIZE1_SHIFT (16) ++ ++#define MSVDX_RENDEC_CONTROL1_RENDEC_DECODE_START_SIZE_MASK (0x000000FF) ++#define MSVDX_RENDEC_CONTROL1_RENDEC_DECODE_START_SIZE_SHIFT (0) ++ ++#define MSVDX_RENDEC_CONTROL1_RENDEC_BURST_SIZE_W_MASK (0x000C0000) ++#define MSVDX_RENDEC_CONTROL1_RENDEC_BURST_SIZE_W_SHIFT (18) ++ ++#define MSVDX_RENDEC_CONTROL1_RENDEC_BURST_SIZE_R_MASK (0x00030000) ++#define MSVDX_RENDEC_CONTROL1_RENDEC_BURST_SIZE_R_SHIFT (16) ++ ++#define MSVDX_RENDEC_CONTROL1_RENDEC_EXTERNAL_MEMORY_MASK (0x01000000) ++#define MSVDX_RENDEC_CONTROL1_RENDEC_EXTERNAL_MEMORY_SHIFT (24) ++ ++#define MSVDX_RENDEC_CONTROL0_RENDEC_INITIALISE_MASK (0x00000001) ++#define MSVDX_RENDEC_CONTROL0_RENDEC_INITIALISE_SHIFT (0) ++ ++#define FWRK_MSGID_START_PSR_HOSTMTX_MSG (0x80) /*!< Start of parser specific Host->MTX messages. */ ++#define FWRK_MSGID_START_PSR_MTXHOST_MSG (0xC0) /*!< Start of parser specific MTX->Host messages. */ ++#define FWRK_MSGID_PADDING ( 0 ) ++ ++#define FWRK_GENMSG_SIZE_TYPE uint8_t ++#define FWRK_GENMSG_SIZE_MASK (0xFF) ++#define FWRK_GENMSG_SIZE_SHIFT (0) ++#define FWRK_GENMSG_SIZE_OFFSET (0x0000) ++#define FWRK_GENMSG_ID_TYPE uint8_t ++#define FWRK_GENMSG_ID_MASK (0xFF) ++#define FWRK_GENMSG_ID_SHIFT (0) ++#define FWRK_GENMSG_ID_OFFSET (0x0001) ++#define FWRK_PADMSG_SIZE (2) ++ ++/*! ++****************************************************************************** ++ This type defines the framework specified message ids ++******************************************************************************/ ++enum ++{ ++ /*! Sent by the DXVA driver on the host to the mtx firmware. ++ */ ++ VA_MSGID_INIT = FWRK_MSGID_START_PSR_HOSTMTX_MSG, ++ VA_MSGID_RENDER, ++ VA_MSGID_DEBLOCK, ++ VA_MSGID_OOLD, ++ ++ /* Test Messages */ ++ VA_MSGID_TEST1, ++ VA_MSGID_TEST2, ++ ++ /*! Sent by the mtx firmware to itself. ++ */ ++ VA_MSGID_RENDER_MC_INTERRUPT, ++ ++ /*! Sent by the DXVA firmware on the MTX to the host. ++ */ ++ VA_MSGID_CMD_COMPLETED = FWRK_MSGID_START_PSR_MTXHOST_MSG, ++ VA_MSGID_CMD_COMPLETED_BATCH, ++ VA_MSGID_DEBLOCK_REQUIRED, ++ VA_MSGID_TEST_RESPONCE, ++ VA_MSGID_ACK, ++ ++ VA_MSGID_CMD_FAILED, ++ VA_MSGID_CMD_UNSUPPORTED, ++ VA_MSGID_CMD_HW_PANIC, ++}; ++ ++/* MSVDX Firmware interface */ ++ ++#define FW_VA_RENDER_SIZE (32) ++ ++// FW_VA_RENDER MSG_SIZE ++#define FW_VA_RENDER_MSG_SIZE_ALIGNMENT (1) ++#define FW_VA_RENDER_MSG_SIZE_TYPE uint8_t ++#define FW_VA_RENDER_MSG_SIZE_MASK (0xFF) ++#define FW_VA_RENDER_MSG_SIZE_LSBMASK (0xFF) ++#define FW_VA_RENDER_MSG_SIZE_OFFSET (0x0000) ++#define FW_VA_RENDER_MSG_SIZE_SHIFT (0) ++ ++// FW_VA_RENDER ID ++#define FW_VA_RENDER_ID_ALIGNMENT (1) ++#define FW_VA_RENDER_ID_TYPE uint8_t ++#define FW_VA_RENDER_ID_MASK (0xFF) ++#define FW_VA_RENDER_ID_LSBMASK (0xFF) ++#define FW_VA_RENDER_ID_OFFSET (0x0001) ++#define FW_VA_RENDER_ID_SHIFT (0) ++ ++// FW_VA_RENDER BUFFER_SIZE ++#define FW_VA_RENDER_BUFFER_SIZE_ALIGNMENT (2) ++#define FW_VA_RENDER_BUFFER_SIZE_TYPE uint16_t ++#define FW_VA_RENDER_BUFFER_SIZE_MASK (0x0FFF) ++#define FW_VA_RENDER_BUFFER_SIZE_LSBMASK (0x0FFF) ++#define FW_VA_RENDER_BUFFER_SIZE_OFFSET (0x0002) ++#define FW_VA_RENDER_BUFFER_SIZE_SHIFT (0) ++ ++// FW_VA_RENDER MMUPTD ++#define FW_VA_RENDER_MMUPTD_ALIGNMENT (4) ++#define FW_VA_RENDER_MMUPTD_TYPE uint32_t ++#define FW_VA_RENDER_MMUPTD_MASK (0xFFFFFFFF) ++#define FW_VA_RENDER_MMUPTD_LSBMASK (0xFFFFFFFF) ++#define FW_VA_RENDER_MMUPTD_OFFSET (0x0004) ++#define FW_VA_RENDER_MMUPTD_SHIFT (0) ++ ++// FW_VA_RENDER LLDMA_ADDRESS ++#define FW_VA_RENDER_LLDMA_ADDRESS_ALIGNMENT (4) ++#define FW_VA_RENDER_LLDMA_ADDRESS_TYPE uint32_t ++#define FW_VA_RENDER_LLDMA_ADDRESS_MASK (0xFFFFFFFF) ++#define FW_VA_RENDER_LLDMA_ADDRESS_LSBMASK (0xFFFFFFFF) ++#define FW_VA_RENDER_LLDMA_ADDRESS_OFFSET (0x0008) ++#define FW_VA_RENDER_LLDMA_ADDRESS_SHIFT (0) ++ ++// FW_VA_RENDER CONTEXT ++#define FW_VA_RENDER_CONTEXT_ALIGNMENT (4) ++#define FW_VA_RENDER_CONTEXT_TYPE uint32_t ++#define FW_VA_RENDER_CONTEXT_MASK (0xFFFFFFFF) ++#define FW_VA_RENDER_CONTEXT_LSBMASK (0xFFFFFFFF) ++#define FW_VA_RENDER_CONTEXT_OFFSET (0x000C) ++#define FW_VA_RENDER_CONTEXT_SHIFT (0) ++ ++// FW_VA_RENDER FENCE_VALUE ++#define FW_VA_RENDER_FENCE_VALUE_ALIGNMENT (4) ++#define FW_VA_RENDER_FENCE_VALUE_TYPE uint32_t ++#define FW_VA_RENDER_FENCE_VALUE_MASK (0xFFFFFFFF) ++#define FW_VA_RENDER_FENCE_VALUE_LSBMASK (0xFFFFFFFF) ++#define FW_VA_RENDER_FENCE_VALUE_OFFSET (0x0010) ++#define FW_VA_RENDER_FENCE_VALUE_SHIFT (0) ++ ++// FW_VA_RENDER OPERATING_MODE ++#define FW_VA_RENDER_OPERATING_MODE_ALIGNMENT (4) ++#define FW_VA_RENDER_OPERATING_MODE_TYPE uint32_t ++#define FW_VA_RENDER_OPERATING_MODE_MASK (0xFFFFFFFF) ++#define FW_VA_RENDER_OPERATING_MODE_LSBMASK (0xFFFFFFFF) ++#define FW_VA_RENDER_OPERATING_MODE_OFFSET (0x0014) ++#define FW_VA_RENDER_OPERATING_MODE_SHIFT (0) ++ ++// FW_VA_RENDER FIRST_MB_IN_SLICE ++#define FW_VA_RENDER_FIRST_MB_IN_SLICE_ALIGNMENT (2) ++#define FW_VA_RENDER_FIRST_MB_IN_SLICE_TYPE uint16_t ++#define FW_VA_RENDER_FIRST_MB_IN_SLICE_MASK (0xFFFF) ++#define FW_VA_RENDER_FIRST_MB_IN_SLICE_LSBMASK (0xFFFF) ++#define FW_VA_RENDER_FIRST_MB_IN_SLICE_OFFSET (0x0018) ++#define FW_VA_RENDER_FIRST_MB_IN_SLICE_SHIFT (0) ++ ++// FW_VA_RENDER LAST_MB_IN_FRAME ++#define FW_VA_RENDER_LAST_MB_IN_FRAME_ALIGNMENT (2) ++#define FW_VA_RENDER_LAST_MB_IN_FRAME_TYPE uint16_t ++#define FW_VA_RENDER_LAST_MB_IN_FRAME_MASK (0xFFFF) ++#define FW_VA_RENDER_LAST_MB_IN_FRAME_LSBMASK (0xFFFF) ++#define FW_VA_RENDER_LAST_MB_IN_FRAME_OFFSET (0x001A) ++#define FW_VA_RENDER_LAST_MB_IN_FRAME_SHIFT (0) ++ ++// FW_VA_RENDER FLAGS ++#define FW_VA_RENDER_FLAGS_ALIGNMENT (4) ++#define FW_VA_RENDER_FLAGS_TYPE uint32_t ++#define FW_VA_RENDER_FLAGS_MASK (0xFFFFFFFF) ++#define FW_VA_RENDER_FLAGS_LSBMASK (0xFFFFFFFF) ++#define FW_VA_RENDER_FLAGS_OFFSET (0x001C) ++#define FW_VA_RENDER_FLAGS_SHIFT (0) ++ ++#define FW_VA_CMD_COMPLETED_SIZE (12) ++ ++// FW_VA_CMD_COMPLETED MSG_SIZE ++#define FW_VA_CMD_COMPLETED_MSG_SIZE_ALIGNMENT (1) ++#define FW_VA_CMD_COMPLETED_MSG_SIZE_TYPE uint8_t ++#define FW_VA_CMD_COMPLETED_MSG_SIZE_MASK (0xFF) ++#define FW_VA_CMD_COMPLETED_MSG_SIZE_LSBMASK (0xFF) ++#define FW_VA_CMD_COMPLETED_MSG_SIZE_OFFSET (0x0000) ++#define FW_VA_CMD_COMPLETED_MSG_SIZE_SHIFT (0) ++ ++// FW_VA_CMD_COMPLETED ID ++#define FW_VA_CMD_COMPLETED_ID_ALIGNMENT (1) ++#define FW_VA_CMD_COMPLETED_ID_TYPE uint8_t ++#define FW_VA_CMD_COMPLETED_ID_MASK (0xFF) ++#define FW_VA_CMD_COMPLETED_ID_LSBMASK (0xFF) ++#define FW_VA_CMD_COMPLETED_ID_OFFSET (0x0001) ++#define FW_VA_CMD_COMPLETED_ID_SHIFT (0) ++ ++// FW_VA_CMD_COMPLETED FENCE_VALUE ++#define FW_VA_CMD_COMPLETED_FENCE_VALUE_ALIGNMENT (4) ++#define FW_VA_CMD_COMPLETED_FENCE_VALUE_TYPE uint32_t ++#define FW_VA_CMD_COMPLETED_FENCE_VALUE_MASK (0xFFFFFFFF) ++#define FW_VA_CMD_COMPLETED_FENCE_VALUE_LSBMASK (0xFFFFFFFF) ++#define FW_VA_CMD_COMPLETED_FENCE_VALUE_OFFSET (0x0004) ++#define FW_VA_CMD_COMPLETED_FENCE_VALUE_SHIFT (0) ++ ++// FW_VA_CMD_COMPLETED FLAGS ++#define FW_VA_CMD_COMPLETED_FLAGS_ALIGNMENT (4) ++#define FW_VA_CMD_COMPLETED_FLAGS_TYPE uint32_t ++#define FW_VA_CMD_COMPLETED_FLAGS_MASK (0xFFFFFFFF) ++#define FW_VA_CMD_COMPLETED_FLAGS_LSBMASK (0xFFFFFFFF) ++#define FW_VA_CMD_COMPLETED_FLAGS_OFFSET (0x0008) ++#define FW_VA_CMD_COMPLETED_FLAGS_SHIFT (0) ++ ++#define FW_VA_CMD_FAILED_SIZE (12) ++ ++// FW_VA_CMD_FAILED MSG_SIZE ++#define FW_VA_CMD_FAILED_MSG_SIZE_ALIGNMENT (1) ++#define FW_VA_CMD_FAILED_MSG_SIZE_TYPE uint8_t ++#define FW_VA_CMD_FAILED_MSG_SIZE_MASK (0xFF) ++#define FW_VA_CMD_FAILED_MSG_SIZE_LSBMASK (0xFF) ++#define FW_VA_CMD_FAILED_MSG_SIZE_OFFSET (0x0000) ++#define FW_VA_CMD_FAILED_MSG_SIZE_SHIFT (0) ++ ++// FW_VA_CMD_FAILED ID ++#define FW_VA_CMD_FAILED_ID_ALIGNMENT (1) ++#define FW_VA_CMD_FAILED_ID_TYPE uint8_t ++#define FW_VA_CMD_FAILED_ID_MASK (0xFF) ++#define FW_VA_CMD_FAILED_ID_LSBMASK (0xFF) ++#define FW_VA_CMD_FAILED_ID_OFFSET (0x0001) ++#define FW_VA_CMD_FAILED_ID_SHIFT (0) ++ ++// FW_VA_CMD_FAILED FLAGS ++#define FW_VA_CMD_FAILED_FLAGS_ALIGNMENT (2) ++#define FW_VA_CMD_FAILED_FLAGS_TYPE uint16_t ++#define FW_VA_CMD_FAILED_FLAGS_MASK (0xFFFF) ++#define FW_VA_CMD_FAILED_FLAGS_LSBMASK (0xFFFF) ++#define FW_VA_CMD_FAILED_FLAGS_OFFSET (0x0002) ++#define FW_VA_CMD_FAILED_FLAGS_SHIFT (0) ++ ++// FW_VA_CMD_FAILED FENCE_VALUE ++#define FW_VA_CMD_FAILED_FENCE_VALUE_ALIGNMENT (4) ++#define FW_VA_CMD_FAILED_FENCE_VALUE_TYPE uint32_t ++#define FW_VA_CMD_FAILED_FENCE_VALUE_MASK (0xFFFFFFFF) ++#define FW_VA_CMD_FAILED_FENCE_VALUE_LSBMASK (0xFFFFFFFF) ++#define FW_VA_CMD_FAILED_FENCE_VALUE_OFFSET (0x0004) ++#define FW_VA_CMD_FAILED_FENCE_VALUE_SHIFT (0) ++ ++// FW_VA_CMD_FAILED IRQSTATUS ++#define FW_VA_CMD_FAILED_IRQSTATUS_ALIGNMENT (4) ++#define FW_VA_CMD_FAILED_IRQSTATUS_TYPE uint32_t ++#define FW_VA_CMD_FAILED_IRQSTATUS_MASK (0xFFFFFFFF) ++#define FW_VA_CMD_FAILED_IRQSTATUS_LSBMASK (0xFFFFFFFF) ++#define FW_VA_CMD_FAILED_IRQSTATUS_OFFSET (0x0008) ++#define FW_VA_CMD_FAILED_IRQSTATUS_SHIFT (0) ++ ++#define FW_VA_DEBLOCK_REQUIRED_SIZE (8) ++ ++// FW_VA_DEBLOCK_REQUIRED MSG_SIZE ++#define FW_VA_DEBLOCK_REQUIRED_MSG_SIZE_ALIGNMENT (1) ++#define FW_VA_DEBLOCK_REQUIRED_MSG_SIZE_TYPE uint8_t ++#define FW_VA_DEBLOCK_REQUIRED_MSG_SIZE_MASK (0xFF) ++#define FW_VA_DEBLOCK_REQUIRED_MSG_SIZE_LSBMASK (0xFF) ++#define FW_VA_DEBLOCK_REQUIRED_MSG_SIZE_OFFSET (0x0000) ++#define FW_VA_DEBLOCK_REQUIRED_MSG_SIZE_SHIFT (0) ++ ++// FW_VA_DEBLOCK_REQUIRED ID ++#define FW_VA_DEBLOCK_REQUIRED_ID_ALIGNMENT (1) ++#define FW_VA_DEBLOCK_REQUIRED_ID_TYPE uint8_t ++#define FW_VA_DEBLOCK_REQUIRED_ID_MASK (0xFF) ++#define FW_VA_DEBLOCK_REQUIRED_ID_LSBMASK (0xFF) ++#define FW_VA_DEBLOCK_REQUIRED_ID_OFFSET (0x0001) ++#define FW_VA_DEBLOCK_REQUIRED_ID_SHIFT (0) ++ ++// FW_VA_DEBLOCK_REQUIRED CONTEXT ++#define FW_VA_DEBLOCK_REQUIRED_CONTEXT_ALIGNMENT (4) ++#define FW_VA_DEBLOCK_REQUIRED_CONTEXT_TYPE uint32_t ++#define FW_VA_DEBLOCK_REQUIRED_CONTEXT_MASK (0xFFFFFFFF) ++#define FW_VA_DEBLOCK_REQUIRED_CONTEXT_LSBMASK (0xFFFFFFFF) ++#define FW_VA_DEBLOCK_REQUIRED_CONTEXT_OFFSET (0x0004) ++#define FW_VA_DEBLOCK_REQUIRED_CONTEXT_SHIFT (0) ++ ++#define FW_VA_HW_PANIC_SIZE (12) ++ ++// FW_VA_HW_PANIC FLAGS ++#define FW_VA_HW_PANIC_FLAGS_ALIGNMENT (2) ++#define FW_VA_HW_PANIC_FLAGS_TYPE uint16_t ++#define FW_VA_HW_PANIC_FLAGS_MASK (0xFFFF) ++#define FW_VA_HW_PANIC_FLAGS_LSBMASK (0xFFFF) ++#define FW_VA_HW_PANIC_FLAGS_OFFSET (0x0002) ++#define FW_VA_HW_PANIC_FLAGS_SHIFT (0) ++ ++// FW_VA_HW_PANIC MSG_SIZE ++#define FW_VA_HW_PANIC_MSG_SIZE_ALIGNMENT (1) ++#define FW_VA_HW_PANIC_MSG_SIZE_TYPE uint8_t ++#define FW_VA_HW_PANIC_MSG_SIZE_MASK (0xFF) ++#define FW_VA_HW_PANIC_MSG_SIZE_LSBMASK (0xFF) ++#define FW_VA_HW_PANIC_MSG_SIZE_OFFSET (0x0000) ++#define FW_VA_HW_PANIC_MSG_SIZE_SHIFT (0) ++ ++// FW_VA_HW_PANIC ID ++#define FW_VA_HW_PANIC_ID_ALIGNMENT (1) ++#define FW_VA_HW_PANIC_ID_TYPE uint8_t ++#define FW_VA_HW_PANIC_ID_MASK (0xFF) ++#define FW_VA_HW_PANIC_ID_LSBMASK (0xFF) ++#define FW_VA_HW_PANIC_ID_OFFSET (0x0001) ++#define FW_VA_HW_PANIC_ID_SHIFT (0) ++ ++// FW_VA_HW_PANIC FENCE_VALUE ++#define FW_VA_HW_PANIC_FENCE_VALUE_ALIGNMENT (4) ++#define FW_VA_HW_PANIC_FENCE_VALUE_TYPE uint32_t ++#define FW_VA_HW_PANIC_FENCE_VALUE_MASK (0xFFFFFFFF) ++#define FW_VA_HW_PANIC_FENCE_VALUE_LSBMASK (0xFFFFFFFF) ++#define FW_VA_HW_PANIC_FENCE_VALUE_OFFSET (0x0004) ++#define FW_VA_HW_PANIC_FENCE_VALUE_SHIFT (0) ++ ++// FW_VA_HW_PANIC IRQSTATUS ++#define FW_VA_HW_PANIC_IRQSTATUS_ALIGNMENT (4) ++#define FW_VA_HW_PANIC_IRQSTATUS_TYPE uint32_t ++#define FW_VA_HW_PANIC_IRQSTATUS_MASK (0xFFFFFFFF) ++#define FW_VA_HW_PANIC_IRQSTATUS_LSBMASK (0xFFFFFFFF) ++#define FW_VA_HW_PANIC_IRQSTATUS_OFFSET (0x0008) ++#define FW_VA_HW_PANIC_IRQSTATUS_SHIFT (0) ++ ++#endif +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_msvdxinit.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_msvdxinit.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,625 @@ ++/** ++ * file psb_msvdxinit.c ++ * MSVDX initialization and mtx-firmware upload ++ * ++ */ ++ ++/************************************************************************** ++ * ++ * Copyright (c) 2007 Intel Corporation, Hillsboro, OR, USA ++ * Copyright (c) Imagination Technologies Limited, UK ++ * All Rights Reserved. ++ * ++ * Permission is hereby granted, free of charge, to any person obtaining a ++ * copy of this software and associated documentation files (the ++ * "Software"), to deal in the Software without restriction, including ++ * without limitation the rights to use, copy, modify, merge, publish, ++ * distribute, sub license, and/or sell copies of the Software, and to ++ * permit persons to whom the Software is furnished to do so, subject to ++ * the following conditions: ++ * ++ * The above copyright notice and this permission notice (including the ++ * next paragraph) shall be included in all copies or substantial portions ++ * of the Software. ++ * ++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ++ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ++ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL ++ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, ++ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR ++ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE ++ * USE OR OTHER DEALINGS IN THE SOFTWARE. ++ * ++ **************************************************************************/ ++ ++#include "drmP.h" ++#include "drm.h" ++#include "psb_drv.h" ++#include "psb_msvdx.h" ++#include <linux/firmware.h> ++ ++/*MSVDX FW header*/ ++struct msvdx_fw ++{ ++ uint32_t ver; ++ uint32_t text_size; ++ uint32_t data_size; ++ uint32_t data_location; ++}; ++ ++int ++psb_wait_for_register (struct drm_psb_private *dev_priv, ++ uint32_t ui32Offset, ++ uint32_t ui32Value, uint32_t ui32Enable) ++{ ++ uint32_t ui32Temp; ++ uint32_t ui32PollCount = 1000; ++ while (ui32PollCount) ++ { ++ ui32Temp = PSB_RMSVDX32 (ui32Offset); ++ if (ui32Value == (ui32Temp & ui32Enable)) /* All the bits are reset */ ++ return 0; /* So exit */ ++ ++ /* Wait a bit */ ++ DRM_UDELAY (100); ++ ui32PollCount--; ++ } ++ PSB_DEBUG_GENERAL ++ ("MSVDX: Timeout while waiting for register %08x: expecting %08x (mask %08x), got %08x\n", ++ ui32Offset, ui32Value, ui32Enable, ui32Temp); ++ return 1; ++} ++ ++int ++psb_poll_mtx_irq (struct drm_psb_private *dev_priv) ++{ ++ int ret = 0; ++ uint32_t MtxInt = 0; ++ REGIO_WRITE_FIELD_LITE (MtxInt, MSVDX_INTERRUPT_STATUS, CR_MTX_IRQ, 1); ++ ++ ret = psb_wait_for_register (dev_priv, MSVDX_INTERRUPT_STATUS, MtxInt, /* Required value */ ++ MtxInt /* Enabled bits */ ); ++ if (ret) ++ { ++ PSB_DEBUG_GENERAL ++ ("MSVDX: Error Mtx did not return int within a resonable time\n"); ++ ++ return ret; ++ } ++ ++ PSB_DEBUG_GENERAL ("MSVDX: Got MTX Int\n"); ++ ++ /* Got it so clear the bit */ ++ PSB_WMSVDX32 (MtxInt, MSVDX_INTERRUPT_CLEAR); ++ ++ return ret; ++} ++ ++void ++psb_write_mtx_core_reg (struct drm_psb_private *dev_priv, ++ const uint32_t ui32CoreRegister, ++ const uint32_t ui32Val) ++{ ++ uint32_t ui32Reg = 0; ++ ++ /* Put data in MTX_RW_DATA */ ++ PSB_WMSVDX32 (ui32Val, MSVDX_MTX_REGISTER_READ_WRITE_DATA); ++ ++ /* DREADY is set to 0 and request a write */ ++ ui32Reg = ui32CoreRegister; ++ REGIO_WRITE_FIELD_LITE (ui32Reg, MSVDX_MTX_REGISTER_READ_WRITE_REQUEST, ++ MTX_RNW, 0); ++ REGIO_WRITE_FIELD_LITE (ui32Reg, MSVDX_MTX_REGISTER_READ_WRITE_REQUEST, ++ MTX_DREADY, 0); ++ PSB_WMSVDX32 (ui32Reg, MSVDX_MTX_REGISTER_READ_WRITE_REQUEST); ++ ++ psb_wait_for_register (dev_priv, MSVDX_MTX_REGISTER_READ_WRITE_REQUEST, MSVDX_MTX_REGISTER_READ_WRITE_REQUEST_MTX_DREADY_MASK, /* Required Value */ ++ MSVDX_MTX_REGISTER_READ_WRITE_REQUEST_MTX_DREADY_MASK); ++} ++ ++void ++psb_upload_fw (struct drm_psb_private *dev_priv, const uint32_t ui32DataMem, ++ uint32_t ui32RamBankSize, uint32_t ui32Address, ++ const unsigned int uiWords, const uint32_t * const pui32Data) ++{ ++ uint32_t ui32Loop, ui32Ctrl, ui32RamId, ui32Addr, ui32CurrBank = ++ (uint32_t) ~ 0; ++ uint32_t ui32AccessControl; ++ ++ /* Save the access control register... */ ++ ui32AccessControl = PSB_RMSVDX32 (MSVDX_MTX_RAM_ACCESS_CONTROL); ++ ++ /* Wait for MCMSTAT to become be idle 1 */ ++ psb_wait_for_register (dev_priv, MSVDX_MTX_RAM_ACCESS_STATUS, 1, /* Required Value */ ++ 0xffffffff /* Enables */ ); ++ ++ for (ui32Loop = 0; ui32Loop < uiWords; ui32Loop++) ++ { ++ ui32RamId = ui32DataMem + (ui32Address / ui32RamBankSize); ++ ++ if (ui32RamId != ui32CurrBank) ++ { ++ ui32Addr = ui32Address >> 2; ++ ++ ui32Ctrl = 0; ++ ++ REGIO_WRITE_FIELD_LITE (ui32Ctrl, ++ MSVDX_MTX_RAM_ACCESS_CONTROL, ++ MTX_MCMID, ui32RamId); ++ REGIO_WRITE_FIELD_LITE (ui32Ctrl, ++ MSVDX_MTX_RAM_ACCESS_CONTROL, ++ MTX_MCM_ADDR, ui32Addr); ++ REGIO_WRITE_FIELD_LITE (ui32Ctrl, ++ MSVDX_MTX_RAM_ACCESS_CONTROL, MTX_MCMAI, 1); ++ ++ PSB_WMSVDX32 (ui32Ctrl, MSVDX_MTX_RAM_ACCESS_CONTROL); ++ ++ ui32CurrBank = ui32RamId; ++ } ++ ui32Address += 4; ++ ++ PSB_WMSVDX32 (pui32Data[ui32Loop], MSVDX_MTX_RAM_ACCESS_DATA_TRANSFER); ++ ++ /* Wait for MCMSTAT to become be idle 1 */ ++ psb_wait_for_register (dev_priv, MSVDX_MTX_RAM_ACCESS_STATUS, 1, /* Required Value */ ++ 0xffffffff /* Enables */ ); ++ } ++ PSB_DEBUG_GENERAL ("MSVDX: Upload done\n"); ++ ++ /* Restore the access control register... */ ++ PSB_WMSVDX32 (ui32AccessControl, MSVDX_MTX_RAM_ACCESS_CONTROL); ++} ++ ++static int ++psb_verify_fw (struct drm_psb_private *dev_priv, ++ const uint32_t ui32RamBankSize, ++ const uint32_t ui32DataMem, uint32_t ui32Address, ++ const uint32_t uiWords, const uint32_t * const pui32Data) ++{ ++ uint32_t ui32Loop, ui32Ctrl, ui32RamId, ui32Addr, ui32CurrBank = ++ (uint32_t) ~ 0; ++ uint32_t ui32AccessControl; ++ int ret = 0; ++ ++ /* Save the access control register... */ ++ ui32AccessControl = PSB_RMSVDX32 (MSVDX_MTX_RAM_ACCESS_CONTROL); ++ ++ /* Wait for MCMSTAT to become be idle 1 */ ++ psb_wait_for_register (dev_priv, MSVDX_MTX_RAM_ACCESS_STATUS, 1, /* Required Value */ ++ 0xffffffff /* Enables */ ); ++ ++ for (ui32Loop = 0; ui32Loop < uiWords; ui32Loop++) ++ { ++ uint32_t ui32ReadBackVal; ++ ui32RamId = ui32DataMem + (ui32Address / ui32RamBankSize); ++ ++ if (ui32RamId != ui32CurrBank) ++ { ++ ui32Addr = ui32Address >> 2; ++ ui32Ctrl = 0; ++ REGIO_WRITE_FIELD_LITE (ui32Ctrl, ++ MSVDX_MTX_RAM_ACCESS_CONTROL, ++ MTX_MCMID, ui32RamId); ++ REGIO_WRITE_FIELD_LITE (ui32Ctrl, ++ MSVDX_MTX_RAM_ACCESS_CONTROL, ++ MTX_MCM_ADDR, ui32Addr); ++ REGIO_WRITE_FIELD_LITE (ui32Ctrl, ++ MSVDX_MTX_RAM_ACCESS_CONTROL, MTX_MCMAI, 1); ++ REGIO_WRITE_FIELD_LITE (ui32Ctrl, ++ MSVDX_MTX_RAM_ACCESS_CONTROL, MTX_MCMR, 1); ++ ++ PSB_WMSVDX32 (ui32Ctrl, MSVDX_MTX_RAM_ACCESS_CONTROL); ++ ++ ui32CurrBank = ui32RamId; ++ } ++ ui32Address += 4; ++ ++ /* Wait for MCMSTAT to become be idle 1 */ ++ psb_wait_for_register (dev_priv, MSVDX_MTX_RAM_ACCESS_STATUS, 1, /* Required Value */ ++ 0xffffffff /* Enables */ ); ++ ++ ui32ReadBackVal = PSB_RMSVDX32 (MSVDX_MTX_RAM_ACCESS_DATA_TRANSFER); ++ if (pui32Data[ui32Loop] != ui32ReadBackVal) ++ { ++ DRM_ERROR ++ ("psb: Firmware validation fails at index=%08x\n", ui32Loop); ++ ret = 1; ++ break; ++ } ++ } ++ ++ /* Restore the access control register... */ ++ PSB_WMSVDX32 (ui32AccessControl, MSVDX_MTX_RAM_ACCESS_CONTROL); ++ ++ return ret; ++} ++ ++static uint32_t * ++msvdx_get_fw (struct drm_device *dev, ++ const struct firmware **raw, uint8_t * name) ++{ ++ int rc; ++ int *ptr = NULL; ++ ++ rc = request_firmware (raw, name, &dev->pdev->dev); ++ if (rc < 0) ++ { ++ DRM_ERROR ("MSVDX: %s request_firmware failed: Reason %d\n", name, rc); ++ return NULL; ++ } ++ ++ if ((*raw)->size < sizeof (struct msvdx_fw)) ++ { ++ PSB_DEBUG_GENERAL ("MSVDX: %s is is not correct size(%zd)\n", ++ name, (*raw)->size); ++ return NULL; ++ } ++ ++ ptr = (int *) ((*raw))->data; ++ ++ if (!ptr) ++ { ++ PSB_DEBUG_GENERAL ("MSVDX: Failed to load %s\n", name); ++ return NULL; ++ } ++ /*another sanity check... */ ++ if ((*raw)->size != ++ (sizeof (struct msvdx_fw) + ++ sizeof (uint32_t) * ((struct msvdx_fw *) ptr)->text_size + ++ sizeof (uint32_t) * ((struct msvdx_fw *) ptr)->data_size)) ++ { ++ PSB_DEBUG_GENERAL ("MSVDX: %s is is not correct size(%zd)\n", ++ name, (*raw)->size); ++ return NULL; ++ } ++ return ptr; ++} ++ ++static int ++psb_setup_fw (struct drm_device *dev) ++{ ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ int ret = 0; ++ ++ uint32_t ram_bank_size; ++ struct msvdx_fw *fw; ++ uint32_t *fw_ptr = NULL; ++ uint32_t *text_ptr = NULL; ++ uint32_t *data_ptr = NULL; ++ const struct firmware *raw = NULL; ++ /* todo : Assert the clock is on - if not turn it on to upload code */ ++ ++ PSB_DEBUG_GENERAL ("MSVDX: psb_setup_fw\n"); ++ ++ /* Reset MTX */ ++ PSB_WMSVDX32 (MSVDX_MTX_SOFT_RESET_MTX_RESET_MASK, MSVDX_MTX_SOFT_RESET); ++ ++ /* Initialses Communication controll area to 0 */ ++ if(dev_priv->psb_rev_id >= POULSBO_D1) ++ { ++ PSB_DEBUG_GENERAL("MSVDX: Detected Poulsbo D1 or later revision.\n"); ++ PSB_WMSVDX32 (MSVDX_DEVICE_NODE_FLAGS_DEFAULT_D1, MSVDX_COMMS_OFFSET_FLAGS); ++ } ++ else ++ { ++ PSB_DEBUG_GENERAL("MSVDX: Detected Poulsbo D0 or earlier revision.\n"); ++ PSB_WMSVDX32 (MSVDX_DEVICE_NODE_FLAGS_DEFAULT_D0, MSVDX_COMMS_OFFSET_FLAGS); ++ } ++ ++ PSB_WMSVDX32 (0, MSVDX_COMMS_MSG_COUNTER); ++ PSB_WMSVDX32 (0, MSVDX_COMMS_SIGNATURE); ++ PSB_WMSVDX32 (0, MSVDX_COMMS_TO_HOST_RD_INDEX); ++ PSB_WMSVDX32 (0, MSVDX_COMMS_TO_HOST_WRT_INDEX); ++ PSB_WMSVDX32 (0, MSVDX_COMMS_TO_MTX_RD_INDEX); ++ PSB_WMSVDX32 (0, MSVDX_COMMS_TO_MTX_WRT_INDEX); ++ PSB_WMSVDX32 (0, MSVDX_COMMS_FW_STATUS); ++ ++ /* read register bank size */ ++ { ++ uint32_t ui32BankSize, ui32Reg; ++ ui32Reg = PSB_RMSVDX32 (MSVDX_MTX_RAM_BANK); ++ ui32BankSize = ++ REGIO_READ_FIELD (ui32Reg, MSVDX_MTX_RAM_BANK, CR_MTX_RAM_BANK_SIZE); ++ ram_bank_size = (uint32_t) (1 << (ui32BankSize + 2)); ++ } ++ ++ PSB_DEBUG_GENERAL ("MSVDX: RAM bank size = %d bytes\n", ram_bank_size); ++ ++ fw_ptr = msvdx_get_fw (dev, &raw, "msvdx_fw.bin"); ++ ++ if (!fw_ptr) ++ { ++ DRM_ERROR ("psb: No valid msvdx_fw.bin firmware found.\n"); ++ ret = 1; ++ goto out; ++ } ++ ++ fw = (struct msvdx_fw *) fw_ptr; ++ if (fw->ver != 0x02) ++ { ++ DRM_ERROR ++ ("psb: msvdx_fw.bin firmware version mismatch, got version=%02x expected version=%02x\n", ++ fw->ver, 0x02); ++ ret = 1; ++ goto out; ++ } ++ ++ text_ptr = (uint32_t *) ((uint8_t *) fw_ptr + sizeof (struct msvdx_fw)); ++ data_ptr = text_ptr + fw->text_size; ++ ++ PSB_DEBUG_GENERAL ("MSVDX: Retrieved pointers for firmware\n"); ++ PSB_DEBUG_GENERAL ("MSVDX: text_size: %d\n", fw->text_size); ++ PSB_DEBUG_GENERAL ("MSVDX: data_size: %d\n", fw->data_size); ++ PSB_DEBUG_GENERAL ("MSVDX: data_location: 0x%x\n", fw->data_location); ++ PSB_DEBUG_GENERAL ("MSVDX: First 4 bytes of text: 0x%x\n", *text_ptr); ++ PSB_DEBUG_GENERAL ("MSVDX: First 4 bytes of data: 0x%x\n", *data_ptr); ++ ++ PSB_DEBUG_GENERAL ("MSVDX: Uploading firmware\n"); ++ psb_upload_fw (dev_priv, MTX_CORE_CODE_MEM, ram_bank_size, ++ PC_START_ADDRESS - MTX_CODE_BASE, fw->text_size, text_ptr); ++ psb_upload_fw (dev_priv, MTX_CORE_DATA_MEM, ram_bank_size, ++ fw->data_location - MTX_DATA_BASE, fw->data_size, data_ptr); ++ ++ /*todo : Verify code upload possibly only in debug */ ++ if (psb_verify_fw ++ (dev_priv, ram_bank_size, MTX_CORE_CODE_MEM, ++ PC_START_ADDRESS - MTX_CODE_BASE, fw->text_size, text_ptr)) ++ { ++ /* Firmware code upload failed */ ++ ret = 1; ++ goto out; ++ } ++ if (psb_verify_fw ++ (dev_priv, ram_bank_size, MTX_CORE_DATA_MEM, ++ fw->data_location - MTX_DATA_BASE, fw->data_size, data_ptr)) ++ { ++ /* Firmware data upload failed */ ++ ret = 1; ++ goto out; ++ } ++ ++ /* -- Set starting PC address */ ++ psb_write_mtx_core_reg (dev_priv, MTX_PC, PC_START_ADDRESS); ++ ++ /* -- Turn on the thread */ ++ PSB_WMSVDX32 (MSVDX_MTX_ENABLE_MTX_ENABLE_MASK, MSVDX_MTX_ENABLE); ++ ++ /* Wait for the signature value to be written back */ ++ ret = psb_wait_for_register (dev_priv, MSVDX_COMMS_SIGNATURE, MSVDX_COMMS_SIGNATURE_VALUE, /* Required value */ ++ 0xffffffff /* Enabled bits */ ); ++ if (ret) ++ { ++ DRM_ERROR ("psb: MSVDX firmware fails to initialize.\n"); ++ goto out; ++ } ++ ++ PSB_DEBUG_GENERAL ("MSVDX: MTX Initial indications OK\n"); ++ PSB_DEBUG_GENERAL ("MSVDX: MSVDX_COMMS_AREA_ADDR = %08x\n", ++ MSVDX_COMMS_AREA_ADDR); ++out: ++ if (raw) ++ { ++ PSB_DEBUG_GENERAL ("MSVDX releasing firmware resouces....\n"); ++ release_firmware (raw); ++ } ++ return ret; ++} ++ ++static void ++psb_free_ccb (struct drm_buffer_object **ccb) ++{ ++ drm_bo_usage_deref_unlocked (ccb); ++ *ccb = NULL; ++} ++ ++/******************************************************************************* ++ ++ @Function psb_msvdx_reset ++ ++ @Description ++ ++ Reset chip and disable interrupts. ++ ++ @Input psDeviceNode - device info. structure ++ ++ @Return 0 - Success ++ 1 - Failure ++ ++******************************************************************************/ ++int ++psb_msvdx_reset (struct drm_psb_private *dev_priv) ++{ ++ int ret = 0; ++ ++ /* Issue software reset */ ++ PSB_WMSVDX32 (msvdx_sw_reset_all, MSVDX_CONTROL); ++ ++ ret = psb_wait_for_register (dev_priv, MSVDX_CONTROL, 0, /* Required value */ ++ MSVDX_CONTROL_CR_MSVDX_SOFT_RESET_MASK ++ /* Enabled bits */ ); ++ ++ if (!ret) ++ { ++ /* Clear interrupt enabled flag */ ++ PSB_WMSVDX32 (0, MSVDX_HOST_INTERRUPT_ENABLE); ++ ++ /* Clear any pending interrupt flags */ ++ PSB_WMSVDX32 (0xFFFFFFFF, MSVDX_INTERRUPT_CLEAR); ++ } ++ ++ mutex_destroy (&dev_priv->msvdx_mutex); ++ ++ return ret; ++} ++ ++static int ++psb_allocate_ccb (struct drm_device *dev, ++ struct drm_buffer_object **ccb, ++ uint32_t * base_addr, int size) ++{ ++ int ret; ++ struct drm_bo_kmap_obj tmp_kmap; ++ int is_iomem; ++ ++ ret = drm_buffer_object_create (dev, size, ++ drm_bo_type_kernel, ++ DRM_BO_FLAG_READ | ++ DRM_PSB_FLAG_MEM_KERNEL | ++ DRM_BO_FLAG_NO_EVICT, ++ DRM_BO_HINT_DONT_FENCE, 0, 0, ccb); ++ if (ret) ++ { ++ PSB_DEBUG_GENERAL ("Failed to allocate CCB.\n"); ++ *ccb = NULL; ++ return 1; ++ } ++ ++ ret = drm_bo_kmap (*ccb, 0, (*ccb)->num_pages, &tmp_kmap); ++ if (ret) ++ { ++ PSB_DEBUG_GENERAL ("drm_bo_kmap failed ret: %d\n", ret); ++ drm_bo_usage_deref_unlocked (ccb); ++ *ccb = NULL; ++ return 1; ++ } ++ ++ memset (drm_bmo_virtual (&tmp_kmap, &is_iomem), 0, size); ++ drm_bo_kunmap (&tmp_kmap); ++ ++ *base_addr = (*ccb)->offset; ++ return 0; ++} ++ ++int ++psb_msvdx_init (struct drm_device *dev) ++{ ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ uint32_t ui32Cmd; ++ int ret; ++ ++ PSB_DEBUG_GENERAL ("MSVDX: psb_msvdx_init\n"); ++ ++ /*Initialize command msvdx queueing */ ++ INIT_LIST_HEAD (&dev_priv->msvdx_queue); ++ mutex_init (&dev_priv->msvdx_mutex); ++ spin_lock_init (&dev_priv->msvdx_lock); ++ dev_priv->msvdx_busy = 0; ++ ++ /*figure out the stepping*/ ++ pci_read_config_byte(dev->pdev, PSB_REVID_OFFSET, &dev_priv->psb_rev_id ); ++ ++ /* Enable Clocks */ ++ PSB_DEBUG_GENERAL ("Enabling clocks\n"); ++ PSB_WMSVDX32 (clk_enable_all, MSVDX_MAN_CLK_ENABLE); ++ ++ /* Enable MMU by removing all bypass bits */ ++ PSB_WMSVDX32 (0, MSVDX_MMU_CONTROL0); ++ ++ PSB_DEBUG_GENERAL ("MSVDX: Setting up RENDEC\n"); ++ /* Allocate device virtual memory as required by rendec.... */ ++ if (!dev_priv->ccb0) ++ { ++ ret = ++ psb_allocate_ccb (dev, &dev_priv->ccb0, ++ &dev_priv->base_addr0, RENDEC_A_SIZE); ++ if (ret) ++ goto err_exit; ++ } ++ ++ if (!dev_priv->ccb1) ++ { ++ ret = ++ psb_allocate_ccb (dev, &dev_priv->ccb1, ++ &dev_priv->base_addr1, RENDEC_B_SIZE); ++ if (ret) ++ goto err_exit; ++ } ++ ++ PSB_DEBUG_GENERAL ("MSVDX: RENDEC A: %08x RENDEC B: %08x\n", ++ dev_priv->base_addr0, dev_priv->base_addr1); ++ ++ PSB_WMSVDX32 (dev_priv->base_addr0, MSVDX_RENDEC_BASE_ADDR0); ++ PSB_WMSVDX32 (dev_priv->base_addr1, MSVDX_RENDEC_BASE_ADDR1); ++ ++ ui32Cmd = 0; ++ REGIO_WRITE_FIELD (ui32Cmd, MSVDX_RENDEC_BUFFER_SIZE, ++ RENDEC_BUFFER_SIZE0, RENDEC_A_SIZE / 4096); ++ REGIO_WRITE_FIELD (ui32Cmd, MSVDX_RENDEC_BUFFER_SIZE, ++ RENDEC_BUFFER_SIZE1, RENDEC_B_SIZE / 4096); ++ PSB_WMSVDX32 (ui32Cmd, MSVDX_RENDEC_BUFFER_SIZE); ++ ++ ui32Cmd = 0; ++ REGIO_WRITE_FIELD (ui32Cmd, MSVDX_RENDEC_CONTROL1, ++ RENDEC_DECODE_START_SIZE, 0); ++ REGIO_WRITE_FIELD (ui32Cmd, MSVDX_RENDEC_CONTROL1, RENDEC_BURST_SIZE_W, 1); ++ REGIO_WRITE_FIELD (ui32Cmd, MSVDX_RENDEC_CONTROL1, RENDEC_BURST_SIZE_R, 1); ++ REGIO_WRITE_FIELD (ui32Cmd, MSVDX_RENDEC_CONTROL1, ++ RENDEC_EXTERNAL_MEMORY, 1); ++ PSB_WMSVDX32 (ui32Cmd, MSVDX_RENDEC_CONTROL1); ++ ++ ui32Cmd = 0x00101010; ++ PSB_WMSVDX32 (ui32Cmd, MSVDX_RENDEC_CONTEXT0); ++ PSB_WMSVDX32 (ui32Cmd, MSVDX_RENDEC_CONTEXT1); ++ PSB_WMSVDX32 (ui32Cmd, MSVDX_RENDEC_CONTEXT2); ++ PSB_WMSVDX32 (ui32Cmd, MSVDX_RENDEC_CONTEXT3); ++ PSB_WMSVDX32 (ui32Cmd, MSVDX_RENDEC_CONTEXT4); ++ PSB_WMSVDX32 (ui32Cmd, MSVDX_RENDEC_CONTEXT5); ++ ++ ui32Cmd = 0; ++ REGIO_WRITE_FIELD (ui32Cmd, MSVDX_RENDEC_CONTROL0, RENDEC_INITIALISE, 1); ++ PSB_WMSVDX32 (ui32Cmd, MSVDX_RENDEC_CONTROL0); ++ ++ ret = psb_setup_fw (dev); ++ if (ret) ++ goto err_exit; ++ ++ PSB_WMSVDX32 (clk_enable_minimal, MSVDX_MAN_CLK_ENABLE); ++ ++ return 0; ++ ++err_exit: ++ if (dev_priv->ccb0) ++ psb_free_ccb (&dev_priv->ccb0); ++ if (dev_priv->ccb1) ++ psb_free_ccb (&dev_priv->ccb1); ++ ++ return 1; ++} ++ ++int ++psb_msvdx_uninit (struct drm_device *dev) ++{ ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ ++ /*Reset MSVDX chip */ ++ psb_msvdx_reset (dev_priv); ++ ++// PSB_WMSVDX32 (clk_enable_minimal, MSVDX_MAN_CLK_ENABLE); ++ printk("set the msvdx clock to 0 in the %s\n", __FUNCTION__); ++ PSB_WMSVDX32 (0, MSVDX_MAN_CLK_ENABLE); ++ ++ /*Clean up resources...*/ ++ if (dev_priv->ccb0) ++ psb_free_ccb (&dev_priv->ccb0); ++ if (dev_priv->ccb1) ++ psb_free_ccb (&dev_priv->ccb1); ++ ++ return 0; ++} ++ ++int psb_hw_info_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv) ++{ ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ struct drm_psb_hw_info *hw_info = data; ++ struct pci_dev * pci_root = pci_get_bus_and_slot(0, 0); ++ ++ hw_info->rev_id = dev_priv->psb_rev_id; ++ ++ /*read the fuse info to determine the caps*/ ++ pci_write_config_dword(pci_root, 0xD0, PCI_PORT5_REG80_FFUSE); ++ pci_read_config_dword(pci_root, 0xD4, &hw_info->caps); ++ ++ PSB_DEBUG_GENERAL("MSVDX: PSB caps: 0x%x\n", hw_info->caps); ++ return 0; ++} +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_reg.h +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_reg.h 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,562 @@ ++/************************************************************************** ++ * ++ * Copyright (c) (2005-2007) Imagination Technologies Limited. ++ * Copyright (c) 2007, Intel Corporation. ++ * All Rights Reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms and conditions of the GNU General Public License, ++ * version 2, as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ * ++ * You should have received a copy of the GNU General Public License along with ++ * this program; if not, write to the Free Software Foundation, Inc., ++ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to ++ * develop this driver. ++ * ++ **************************************************************************/ ++/* ++ */ ++#ifndef _PSB_REG_H_ ++#define _PSB_REG_H_ ++ ++#define PSB_CR_CLKGATECTL 0x0000 ++#define _PSB_C_CLKGATECTL_AUTO_MAN_REG (1 << 24) ++#define _PSB_C_CLKGATECTL_USE_CLKG_SHIFT (20) ++#define _PSB_C_CLKGATECTL_USE_CLKG_MASK (0x3 << 20) ++#define _PSB_C_CLKGATECTL_DPM_CLKG_SHIFT (16) ++#define _PSB_C_CLKGATECTL_DPM_CLKG_MASK (0x3 << 16) ++#define _PSB_C_CLKGATECTL_TA_CLKG_SHIFT (12) ++#define _PSB_C_CLKGATECTL_TA_CLKG_MASK (0x3 << 12) ++#define _PSB_C_CLKGATECTL_TSP_CLKG_SHIFT (8) ++#define _PSB_C_CLKGATECTL_TSP_CLKG_MASK (0x3 << 8) ++#define _PSB_C_CLKGATECTL_ISP_CLKG_SHIFT (4) ++#define _PSB_C_CLKGATECTL_ISP_CLKG_MASK (0x3 << 4) ++#define _PSB_C_CLKGATECTL_2D_CLKG_SHIFT (0) ++#define _PSB_C_CLKGATECTL_2D_CLKG_MASK (0x3 << 0) ++#define _PSB_C_CLKGATECTL_CLKG_ENABLED (0) ++#define _PSB_C_CLKGATECTL_CLKG_DISABLED (1) ++#define _PSB_C_CLKGATECTL_CLKG_AUTO (2) ++ ++#define PSB_CR_CORE_ID 0x0010 ++#define _PSB_CC_ID_ID_SHIFT (16) ++#define _PSB_CC_ID_ID_MASK (0xFFFF << 16) ++#define _PSB_CC_ID_CONFIG_SHIFT (0) ++#define _PSB_CC_ID_CONFIG_MASK (0xFFFF << 0) ++ ++#define PSB_CR_CORE_REVISION 0x0014 ++#define _PSB_CC_REVISION_DESIGNER_SHIFT (24) ++#define _PSB_CC_REVISION_DESIGNER_MASK (0xFF << 24) ++#define _PSB_CC_REVISION_MAJOR_SHIFT (16) ++#define _PSB_CC_REVISION_MAJOR_MASK (0xFF << 16) ++#define _PSB_CC_REVISION_MINOR_SHIFT (8) ++#define _PSB_CC_REVISION_MINOR_MASK (0xFF << 8) ++#define _PSB_CC_REVISION_MAINTENANCE_SHIFT (0) ++#define _PSB_CC_REVISION_MAINTENANCE_MASK (0xFF << 0) ++ ++#define PSB_CR_DESIGNER_REV_FIELD1 0x0018 ++ ++#define PSB_CR_SOFT_RESET 0x0080 ++#define _PSB_CS_RESET_TSP_RESET (1 << 6) ++#define _PSB_CS_RESET_ISP_RESET (1 << 5) ++#define _PSB_CS_RESET_USE_RESET (1 << 4) ++#define _PSB_CS_RESET_TA_RESET (1 << 3) ++#define _PSB_CS_RESET_DPM_RESET (1 << 2) ++#define _PSB_CS_RESET_TWOD_RESET (1 << 1) ++#define _PSB_CS_RESET_BIF_RESET (1 << 0) ++ ++#define PSB_CR_DESIGNER_REV_FIELD2 0x001C ++ ++#define PSB_CR_EVENT_HOST_ENABLE2 0x0110 ++ ++#define PSB_CR_EVENT_STATUS2 0x0118 ++ ++#define PSB_CR_EVENT_HOST_CLEAR2 0x0114 ++#define _PSB_CE2_BIF_REQUESTER_FAULT (1 << 4) ++ ++#define PSB_CR_EVENT_STATUS 0x012C ++ ++#define PSB_CR_EVENT_HOST_ENABLE 0x0130 ++ ++#define PSB_CR_EVENT_HOST_CLEAR 0x0134 ++#define _PSB_CE_MASTER_INTERRUPT (1 << 31) ++#define _PSB_CE_TA_DPM_FAULT (1 << 28) ++#define _PSB_CE_TWOD_COMPLETE (1 << 27) ++#define _PSB_CE_DPM_OUT_OF_MEMORY_ZLS (1 << 25) ++#define _PSB_CE_DPM_TA_MEM_FREE (1 << 24) ++#define _PSB_CE_PIXELBE_END_RENDER (1 << 18) ++#define _PSB_CE_SW_EVENT (1 << 14) ++#define _PSB_CE_TA_FINISHED (1 << 13) ++#define _PSB_CE_TA_TERMINATE (1 << 12) ++#define _PSB_CE_DPM_REACHED_MEM_THRESH (1 << 3) ++#define _PSB_CE_DPM_OUT_OF_MEMORY_GBL (1 << 2) ++#define _PSB_CE_DPM_OUT_OF_MEMORY_MT (1 << 1) ++#define _PSB_CE_DPM_3D_MEM_FREE (1 << 0) ++ ++ ++#define PSB_USE_OFFSET_MASK 0x0007FFFF ++#define PSB_USE_OFFSET_SIZE (PSB_USE_OFFSET_MASK + 1) ++#define PSB_CR_USE_CODE_BASE0 0x0A0C ++#define PSB_CR_USE_CODE_BASE1 0x0A10 ++#define PSB_CR_USE_CODE_BASE2 0x0A14 ++#define PSB_CR_USE_CODE_BASE3 0x0A18 ++#define PSB_CR_USE_CODE_BASE4 0x0A1C ++#define PSB_CR_USE_CODE_BASE5 0x0A20 ++#define PSB_CR_USE_CODE_BASE6 0x0A24 ++#define PSB_CR_USE_CODE_BASE7 0x0A28 ++#define PSB_CR_USE_CODE_BASE8 0x0A2C ++#define PSB_CR_USE_CODE_BASE9 0x0A30 ++#define PSB_CR_USE_CODE_BASE10 0x0A34 ++#define PSB_CR_USE_CODE_BASE11 0x0A38 ++#define PSB_CR_USE_CODE_BASE12 0x0A3C ++#define PSB_CR_USE_CODE_BASE13 0x0A40 ++#define PSB_CR_USE_CODE_BASE14 0x0A44 ++#define PSB_CR_USE_CODE_BASE15 0x0A48 ++#define PSB_CR_USE_CODE_BASE(_i) (0x0A0C + ((_i) << 2)) ++#define _PSB_CUC_BASE_DM_SHIFT (25) ++#define _PSB_CUC_BASE_DM_MASK (0x3 << 25) ++#define _PSB_CUC_BASE_ADDR_SHIFT (0) // 1024-bit aligned address? ++#define _PSB_CUC_BASE_ADDR_ALIGNSHIFT (7) ++#define _PSB_CUC_BASE_ADDR_MASK (0x1FFFFFF << 0) ++#define _PSB_CUC_DM_VERTEX (0) ++#define _PSB_CUC_DM_PIXEL (1) ++#define _PSB_CUC_DM_RESERVED (2) ++#define _PSB_CUC_DM_EDM (3) ++ ++#define PSB_CR_PDS_EXEC_BASE 0x0AB8 ++#define _PSB_CR_PDS_EXEC_BASE_ADDR_SHIFT (20) // 1MB aligned address ++#define _PSB_CR_PDS_EXEC_BASE_ADDR_ALIGNSHIFT (20) ++ ++#define PSB_CR_EVENT_KICKER 0x0AC4 ++#define _PSB_CE_KICKER_ADDRESS_SHIFT (4) // 128-bit aligned address ++ ++#define PSB_CR_EVENT_KICK 0x0AC8 ++#define _PSB_CE_KICK_NOW (1 << 0) ++ ++ ++#define PSB_CR_BIF_DIR_LIST_BASE1 0x0C38 ++ ++#define PSB_CR_BIF_CTRL 0x0C00 ++#define _PSB_CB_CTRL_CLEAR_FAULT (1 << 4) ++#define _PSB_CB_CTRL_INVALDC (1 << 3) ++#define _PSB_CB_CTRL_FLUSH (1 << 2) ++ ++#define PSB_CR_BIF_INT_STAT 0x0C04 ++ ++#define PSB_CR_BIF_FAULT 0x0C08 ++#define _PSB_CBI_STAT_PF_N_RW (1 << 14) ++#define _PSB_CBI_STAT_FAULT_SHIFT (0) ++#define _PSB_CBI_STAT_FAULT_MASK (0x3FFF << 0) ++#define _PSB_CBI_STAT_FAULT_CACHE (1 << 1) ++#define _PSB_CBI_STAT_FAULT_TA (1 << 2) ++#define _PSB_CBI_STAT_FAULT_VDM (1 << 3) ++#define _PSB_CBI_STAT_FAULT_2D (1 << 4) ++#define _PSB_CBI_STAT_FAULT_PBE (1 << 5) ++#define _PSB_CBI_STAT_FAULT_TSP (1 << 6) ++#define _PSB_CBI_STAT_FAULT_ISP (1 << 7) ++#define _PSB_CBI_STAT_FAULT_USSEPDS (1 << 8) ++#define _PSB_CBI_STAT_FAULT_HOST (1 << 9) ++ ++#define PSB_CR_BIF_BANK0 0x0C78 ++ ++#define PSB_CR_BIF_BANK1 0x0C7C ++ ++#define PSB_CR_BIF_DIR_LIST_BASE0 0x0C84 ++ ++#define PSB_CR_BIF_TWOD_REQ_BASE 0x0C88 ++#define PSB_CR_BIF_3D_REQ_BASE 0x0CAC ++ ++#define PSB_CR_2D_SOCIF 0x0E18 ++#define _PSB_C2_SOCIF_FREESPACE_SHIFT (0) ++#define _PSB_C2_SOCIF_FREESPACE_MASK (0xFF << 0) ++#define _PSB_C2_SOCIF_EMPTY (0x80 << 0) ++ ++#define PSB_CR_2D_BLIT_STATUS 0x0E04 ++#define _PSB_C2B_STATUS_BUSY (1 << 24) ++#define _PSB_C2B_STATUS_COMPLETE_SHIFT (0) ++#define _PSB_C2B_STATUS_COMPLETE_MASK (0xFFFFFF << 0) ++ ++/* ++ * 2D defs. ++ */ ++ ++/* ++ * 2D Slave Port Data : Block Header's Object Type ++ */ ++ ++#define PSB_2D_CLIP_BH (0x00000000) ++#define PSB_2D_PAT_BH (0x10000000) ++#define PSB_2D_CTRL_BH (0x20000000) ++#define PSB_2D_SRC_OFF_BH (0x30000000) ++#define PSB_2D_MASK_OFF_BH (0x40000000) ++#define PSB_2D_RESERVED1_BH (0x50000000) ++#define PSB_2D_RESERVED2_BH (0x60000000) ++#define PSB_2D_FENCE_BH (0x70000000) ++#define PSB_2D_BLIT_BH (0x80000000) ++#define PSB_2D_SRC_SURF_BH (0x90000000) ++#define PSB_2D_DST_SURF_BH (0xA0000000) ++#define PSB_2D_PAT_SURF_BH (0xB0000000) ++#define PSB_2D_SRC_PAL_BH (0xC0000000) ++#define PSB_2D_PAT_PAL_BH (0xD0000000) ++#define PSB_2D_MASK_SURF_BH (0xE0000000) ++#define PSB_2D_FLUSH_BH (0xF0000000) ++ ++/* ++ * Clip Definition block (PSB_2D_CLIP_BH) ++ */ ++#define PSB_2D_CLIPCOUNT_MAX (1) ++#define PSB_2D_CLIPCOUNT_MASK (0x00000000) ++#define PSB_2D_CLIPCOUNT_CLRMASK (0xFFFFFFFF) ++#define PSB_2D_CLIPCOUNT_SHIFT (0) ++// clip rectangle min & max ++#define PSB_2D_CLIP_XMAX_MASK (0x00FFF000) ++#define PSB_2D_CLIP_XMAX_CLRMASK (0xFF000FFF) ++#define PSB_2D_CLIP_XMAX_SHIFT (12) ++#define PSB_2D_CLIP_XMIN_MASK (0x00000FFF) ++#define PSB_2D_CLIP_XMIN_CLRMASK (0x00FFF000) ++#define PSB_2D_CLIP_XMIN_SHIFT (0) ++// clip rectangle offset ++#define PSB_2D_CLIP_YMAX_MASK (0x00FFF000) ++#define PSB_2D_CLIP_YMAX_CLRMASK (0xFF000FFF) ++#define PSB_2D_CLIP_YMAX_SHIFT (12) ++#define PSB_2D_CLIP_YMIN_MASK (0x00000FFF) ++#define PSB_2D_CLIP_YMIN_CLRMASK (0x00FFF000) ++#define PSB_2D_CLIP_YMIN_SHIFT (0) ++ ++/* ++ * Pattern Control (PSB_2D_PAT_BH) ++ */ ++#define PSB_2D_PAT_HEIGHT_MASK (0x0000001F) ++#define PSB_2D_PAT_HEIGHT_SHIFT (0) ++#define PSB_2D_PAT_WIDTH_MASK (0x000003E0) ++#define PSB_2D_PAT_WIDTH_SHIFT (5) ++#define PSB_2D_PAT_YSTART_MASK (0x00007C00) ++#define PSB_2D_PAT_YSTART_SHIFT (10) ++#define PSB_2D_PAT_XSTART_MASK (0x000F8000) ++#define PSB_2D_PAT_XSTART_SHIFT (15) ++ ++/* ++ * 2D Control block (PSB_2D_CTRL_BH) ++ */ ++// Present Flags ++#define PSB_2D_SRCCK_CTRL (0x00000001) ++#define PSB_2D_DSTCK_CTRL (0x00000002) ++#define PSB_2D_ALPHA_CTRL (0x00000004) ++// Colour Key Colour (SRC/DST) ++#define PSB_2D_CK_COL_MASK (0xFFFFFFFF) ++#define PSB_2D_CK_COL_CLRMASK (0x00000000) ++#define PSB_2D_CK_COL_SHIFT (0) ++// Colour Key Mask (SRC/DST) ++#define PSB_2D_CK_MASK_MASK (0xFFFFFFFF) ++#define PSB_2D_CK_MASK_CLRMASK (0x00000000) ++#define PSB_2D_CK_MASK_SHIFT (0) ++// Alpha Control (Alpha/RGB) ++#define PSB_2D_GBLALPHA_MASK (0x000FF000) ++#define PSB_2D_GBLALPHA_CLRMASK (0xFFF00FFF) ++#define PSB_2D_GBLALPHA_SHIFT (12) ++#define PSB_2D_SRCALPHA_OP_MASK (0x00700000) ++#define PSB_2D_SRCALPHA_OP_CLRMASK (0xFF8FFFFF) ++#define PSB_2D_SRCALPHA_OP_SHIFT (20) ++#define PSB_2D_SRCALPHA_OP_ONE (0x00000000) ++#define PSB_2D_SRCALPHA_OP_SRC (0x00100000) ++#define PSB_2D_SRCALPHA_OP_DST (0x00200000) ++#define PSB_2D_SRCALPHA_OP_SG (0x00300000) ++#define PSB_2D_SRCALPHA_OP_DG (0x00400000) ++#define PSB_2D_SRCALPHA_OP_GBL (0x00500000) ++#define PSB_2D_SRCALPHA_OP_ZERO (0x00600000) ++#define PSB_2D_SRCALPHA_INVERT (0x00800000) ++#define PSB_2D_SRCALPHA_INVERT_CLR (0xFF7FFFFF) ++#define PSB_2D_DSTALPHA_OP_MASK (0x07000000) ++#define PSB_2D_DSTALPHA_OP_CLRMASK (0xF8FFFFFF) ++#define PSB_2D_DSTALPHA_OP_SHIFT (24) ++#define PSB_2D_DSTALPHA_OP_ONE (0x00000000) ++#define PSB_2D_DSTALPHA_OP_SRC (0x01000000) ++#define PSB_2D_DSTALPHA_OP_DST (0x02000000) ++#define PSB_2D_DSTALPHA_OP_SG (0x03000000) ++#define PSB_2D_DSTALPHA_OP_DG (0x04000000) ++#define PSB_2D_DSTALPHA_OP_GBL (0x05000000) ++#define PSB_2D_DSTALPHA_OP_ZERO (0x06000000) ++#define PSB_2D_DSTALPHA_INVERT (0x08000000) ++#define PSB_2D_DSTALPHA_INVERT_CLR (0xF7FFFFFF) ++ ++#define PSB_2D_PRE_MULTIPLICATION_ENABLE (0x10000000) ++#define PSB_2D_PRE_MULTIPLICATION_CLRMASK (0xEFFFFFFF) ++#define PSB_2D_ZERO_SOURCE_ALPHA_ENABLE (0x20000000) ++#define PSB_2D_ZERO_SOURCE_ALPHA_CLRMASK (0xDFFFFFFF) ++ ++/* ++ *Source Offset (PSB_2D_SRC_OFF_BH) ++ */ ++#define PSB_2D_SRCOFF_XSTART_MASK ((0x00000FFF) << 12) ++#define PSB_2D_SRCOFF_XSTART_SHIFT (12) ++#define PSB_2D_SRCOFF_YSTART_MASK (0x00000FFF) ++#define PSB_2D_SRCOFF_YSTART_SHIFT (0) ++ ++/* ++ * Mask Offset (PSB_2D_MASK_OFF_BH) ++ */ ++#define PSB_2D_MASKOFF_XSTART_MASK ((0x00000FFF) << 12) ++#define PSB_2D_MASKOFF_XSTART_SHIFT (12) ++#define PSB_2D_MASKOFF_YSTART_MASK (0x00000FFF) ++#define PSB_2D_MASKOFF_YSTART_SHIFT (0) ++ ++/* ++ * 2D Fence (see PSB_2D_FENCE_BH): bits 0:27 are ignored ++ */ ++ ++/* ++ *Blit Rectangle (PSB_2D_BLIT_BH) ++ */ ++ ++#define PSB_2D_ROT_MASK (3<<25) ++#define PSB_2D_ROT_CLRMASK (~PSB_2D_ROT_MASK) ++#define PSB_2D_ROT_NONE (0<<25) ++#define PSB_2D_ROT_90DEGS (1<<25) ++#define PSB_2D_ROT_180DEGS (2<<25) ++#define PSB_2D_ROT_270DEGS (3<<25) ++ ++#define PSB_2D_COPYORDER_MASK (3<<23) ++#define PSB_2D_COPYORDER_CLRMASK (~PSB_2D_COPYORDER_MASK) ++#define PSB_2D_COPYORDER_TL2BR (0<<23) ++#define PSB_2D_COPYORDER_BR2TL (1<<23) ++#define PSB_2D_COPYORDER_TR2BL (2<<23) ++#define PSB_2D_COPYORDER_BL2TR (3<<23) ++ ++#define PSB_2D_DSTCK_CLRMASK (0xFF9FFFFF) ++#define PSB_2D_DSTCK_DISABLE (0x00000000) ++#define PSB_2D_DSTCK_PASS (0x00200000) ++#define PSB_2D_DSTCK_REJECT (0x00400000) ++ ++#define PSB_2D_SRCCK_CLRMASK (0xFFE7FFFF) ++#define PSB_2D_SRCCK_DISABLE (0x00000000) ++#define PSB_2D_SRCCK_PASS (0x00080000) ++#define PSB_2D_SRCCK_REJECT (0x00100000) ++ ++#define PSB_2D_CLIP_ENABLE (0x00040000) ++ ++#define PSB_2D_ALPHA_ENABLE (0x00020000) ++ ++#define PSB_2D_PAT_CLRMASK (0xFFFEFFFF) ++#define PSB_2D_PAT_MASK (0x00010000) ++#define PSB_2D_USE_PAT (0x00010000) ++#define PSB_2D_USE_FILL (0x00000000) ++/* ++ * Tungsten Graphics note on rop codes: If rop A and rop B are ++ * identical, the mask surface will not be read and need not be ++ * set up. ++ */ ++ ++#define PSB_2D_ROP3B_MASK (0x0000FF00) ++#define PSB_2D_ROP3B_CLRMASK (0xFFFF00FF) ++#define PSB_2D_ROP3B_SHIFT (8) ++// rop code A ++#define PSB_2D_ROP3A_MASK (0x000000FF) ++#define PSB_2D_ROP3A_CLRMASK (0xFFFFFF00) ++#define PSB_2D_ROP3A_SHIFT (0) ++ ++#define PSB_2D_ROP4_MASK (0x0000FFFF) ++/* ++ * DWORD0: (Only pass if Pattern control == Use Fill Colour) ++ * Fill Colour RGBA8888 ++ */ ++#define PSB_2D_FILLCOLOUR_MASK (0xFFFFFFFF) ++#define PSB_2D_FILLCOLOUR_SHIFT (0) ++/* ++ * DWORD1: (Always Present) ++ * X Start (Dest) ++ * Y Start (Dest) ++ */ ++#define PSB_2D_DST_XSTART_MASK (0x00FFF000) ++#define PSB_2D_DST_XSTART_CLRMASK (0xFF000FFF) ++#define PSB_2D_DST_XSTART_SHIFT (12) ++#define PSB_2D_DST_YSTART_MASK (0x00000FFF) ++#define PSB_2D_DST_YSTART_CLRMASK (0xFFFFF000) ++#define PSB_2D_DST_YSTART_SHIFT (0) ++/* ++ * DWORD2: (Always Present) ++ * X Size (Dest) ++ * Y Size (Dest) ++ */ ++#define PSB_2D_DST_XSIZE_MASK (0x00FFF000) ++#define PSB_2D_DST_XSIZE_CLRMASK (0xFF000FFF) ++#define PSB_2D_DST_XSIZE_SHIFT (12) ++#define PSB_2D_DST_YSIZE_MASK (0x00000FFF) ++#define PSB_2D_DST_YSIZE_CLRMASK (0xFFFFF000) ++#define PSB_2D_DST_YSIZE_SHIFT (0) ++ ++/* ++ * Source Surface (PSB_2D_SRC_SURF_BH) ++ */ ++/* ++ * WORD 0 ++ */ ++ ++#define PSB_2D_SRC_FORMAT_MASK (0x00078000) ++#define PSB_2D_SRC_1_PAL (0x00000000) ++#define PSB_2D_SRC_2_PAL (0x00008000) ++#define PSB_2D_SRC_4_PAL (0x00010000) ++#define PSB_2D_SRC_8_PAL (0x00018000) ++#define PSB_2D_SRC_8_ALPHA (0x00020000) ++#define PSB_2D_SRC_4_ALPHA (0x00028000) ++#define PSB_2D_SRC_332RGB (0x00030000) ++#define PSB_2D_SRC_4444ARGB (0x00038000) ++#define PSB_2D_SRC_555RGB (0x00040000) ++#define PSB_2D_SRC_1555ARGB (0x00048000) ++#define PSB_2D_SRC_565RGB (0x00050000) ++#define PSB_2D_SRC_0888ARGB (0x00058000) ++#define PSB_2D_SRC_8888ARGB (0x00060000) ++#define PSB_2D_SRC_8888UYVY (0x00068000) ++#define PSB_2D_SRC_RESERVED (0x00070000) ++#define PSB_2D_SRC_1555ARGB_LOOKUP (0x00078000) ++ ++ ++#define PSB_2D_SRC_STRIDE_MASK (0x00007FFF) ++#define PSB_2D_SRC_STRIDE_CLRMASK (0xFFFF8000) ++#define PSB_2D_SRC_STRIDE_SHIFT (0) ++/* ++ * WORD 1 - Base Address ++ */ ++#define PSB_2D_SRC_ADDR_MASK (0x0FFFFFFC) ++#define PSB_2D_SRC_ADDR_CLRMASK (0x00000003) ++#define PSB_2D_SRC_ADDR_SHIFT (2) ++#define PSB_2D_SRC_ADDR_ALIGNSHIFT (2) ++ ++/* ++ * Pattern Surface (PSB_2D_PAT_SURF_BH) ++ */ ++/* ++ * WORD 0 ++ */ ++ ++#define PSB_2D_PAT_FORMAT_MASK (0x00078000) ++#define PSB_2D_PAT_1_PAL (0x00000000) ++#define PSB_2D_PAT_2_PAL (0x00008000) ++#define PSB_2D_PAT_4_PAL (0x00010000) ++#define PSB_2D_PAT_8_PAL (0x00018000) ++#define PSB_2D_PAT_8_ALPHA (0x00020000) ++#define PSB_2D_PAT_4_ALPHA (0x00028000) ++#define PSB_2D_PAT_332RGB (0x00030000) ++#define PSB_2D_PAT_4444ARGB (0x00038000) ++#define PSB_2D_PAT_555RGB (0x00040000) ++#define PSB_2D_PAT_1555ARGB (0x00048000) ++#define PSB_2D_PAT_565RGB (0x00050000) ++#define PSB_2D_PAT_0888ARGB (0x00058000) ++#define PSB_2D_PAT_8888ARGB (0x00060000) ++ ++#define PSB_2D_PAT_STRIDE_MASK (0x00007FFF) ++#define PSB_2D_PAT_STRIDE_CLRMASK (0xFFFF8000) ++#define PSB_2D_PAT_STRIDE_SHIFT (0) ++/* ++ * WORD 1 - Base Address ++ */ ++#define PSB_2D_PAT_ADDR_MASK (0x0FFFFFFC) ++#define PSB_2D_PAT_ADDR_CLRMASK (0x00000003) ++#define PSB_2D_PAT_ADDR_SHIFT (2) ++#define PSB_2D_PAT_ADDR_ALIGNSHIFT (2) ++ ++/* ++ * Destination Surface (PSB_2D_DST_SURF_BH) ++ */ ++/* ++ * WORD 0 ++ */ ++ ++#define PSB_2D_DST_FORMAT_MASK (0x00078000) ++#define PSB_2D_DST_332RGB (0x00030000) ++#define PSB_2D_DST_4444ARGB (0x00038000) ++#define PSB_2D_DST_555RGB (0x00040000) ++#define PSB_2D_DST_1555ARGB (0x00048000) ++#define PSB_2D_DST_565RGB (0x00050000) ++#define PSB_2D_DST_0888ARGB (0x00058000) ++#define PSB_2D_DST_8888ARGB (0x00060000) ++#define PSB_2D_DST_8888AYUV (0x00070000) ++ ++#define PSB_2D_DST_STRIDE_MASK (0x00007FFF) ++#define PSB_2D_DST_STRIDE_CLRMASK (0xFFFF8000) ++#define PSB_2D_DST_STRIDE_SHIFT (0) ++/* ++ * WORD 1 - Base Address ++ */ ++#define PSB_2D_DST_ADDR_MASK (0x0FFFFFFC) ++#define PSB_2D_DST_ADDR_CLRMASK (0x00000003) ++#define PSB_2D_DST_ADDR_SHIFT (2) ++#define PSB_2D_DST_ADDR_ALIGNSHIFT (2) ++ ++/* ++ * Mask Surface (PSB_2D_MASK_SURF_BH) ++ */ ++/* ++ * WORD 0 ++ */ ++#define PSB_2D_MASK_STRIDE_MASK (0x00007FFF) ++#define PSB_2D_MASK_STRIDE_CLRMASK (0xFFFF8000) ++#define PSB_2D_MASK_STRIDE_SHIFT (0) ++/* ++ * WORD 1 - Base Address ++ */ ++#define PSB_2D_MASK_ADDR_MASK (0x0FFFFFFC) ++#define PSB_2D_MASK_ADDR_CLRMASK (0x00000003) ++#define PSB_2D_MASK_ADDR_SHIFT (2) ++#define PSB_2D_MASK_ADDR_ALIGNSHIFT (2) ++ ++/* ++ * Source Palette (PSB_2D_SRC_PAL_BH) ++ */ ++ ++#define PSB_2D_SRCPAL_ADDR_SHIFT (0) ++#define PSB_2D_SRCPAL_ADDR_CLRMASK (0xF0000007) ++#define PSB_2D_SRCPAL_ADDR_MASK (0x0FFFFFF8) ++#define PSB_2D_SRCPAL_BYTEALIGN (1024) ++ ++/* ++ * Pattern Palette (PSB_2D_PAT_PAL_BH) ++ */ ++ ++#define PSB_2D_PATPAL_ADDR_SHIFT (0) ++#define PSB_2D_PATPAL_ADDR_CLRMASK (0xF0000007) ++#define PSB_2D_PATPAL_ADDR_MASK (0x0FFFFFF8) ++#define PSB_2D_PATPAL_BYTEALIGN (1024) ++ ++/* ++ * Rop3 Codes (2 LS bytes) ++ */ ++ ++#define PSB_2D_ROP3_SRCCOPY (0xCCCC) ++#define PSB_2D_ROP3_PATCOPY (0xF0F0) ++#define PSB_2D_ROP3_WHITENESS (0xFFFF) ++#define PSB_2D_ROP3_BLACKNESS (0x0000) ++#define PSB_2D_ROP3_SRC (0xCC) ++#define PSB_2D_ROP3_PAT (0xF0) ++#define PSB_2D_ROP3_DST (0xAA) ++ ++ ++/* ++ * Sizes. ++ */ ++ ++#define PSB_SCENE_HW_COOKIE_SIZE 16 ++#define PSB_TA_MEM_HW_COOKIE_SIZE 16 ++ ++/* ++ * Scene stuff. ++ */ ++ ++#define PSB_NUM_HW_SCENES 2 ++ ++/* ++ * Scheduler completion actions. ++ */ ++ ++#define PSB_RASTER_BLOCK 0 ++#define PSB_RASTER 1 ++#define PSB_RETURN 2 ++#define PSB_TA 3 ++ ++ ++#endif +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_regman.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_regman.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,175 @@ ++/************************************************************************** ++ * Copyright (c) 2007, Intel Corporation. ++ * All Rights Reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms and conditions of the GNU General Public License, ++ * version 2, as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ * ++ * You should have received a copy of the GNU General Public License along with ++ * this program; if not, write to the Free Software Foundation, Inc., ++ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to ++ * develop this driver. ++ * ++ **************************************************************************/ ++/* ++ */ ++ ++#include "drmP.h" ++#include "psb_drv.h" ++ ++struct psb_use_reg { ++ struct drm_reg reg; ++ struct drm_psb_private *dev_priv; ++ uint32_t reg_seq; ++ uint32_t base; ++ uint32_t data_master; ++}; ++ ++struct psb_use_reg_data { ++ uint32_t base; ++ uint32_t size; ++ uint32_t data_master; ++}; ++ ++static int psb_use_reg_reusable(const struct drm_reg *reg, const void *data) ++{ ++ struct psb_use_reg *use_reg = ++ container_of(reg, struct psb_use_reg, reg); ++ struct psb_use_reg_data *use_data = (struct psb_use_reg_data *)data; ++ ++ return ((use_reg->base <= use_data->base) && ++ (use_reg->base + PSB_USE_OFFSET_SIZE > ++ use_data->base + use_data->size) && ++ use_reg->data_master == use_data->data_master); ++} ++ ++static int psb_use_reg_set(struct psb_use_reg *use_reg, ++ const struct psb_use_reg_data *use_data) ++{ ++ struct drm_psb_private *dev_priv = use_reg->dev_priv; ++ ++ if (use_reg->reg.fence == NULL) ++ use_reg->data_master = use_data->data_master; ++ ++ if (use_reg->reg.fence == NULL && ++ !psb_use_reg_reusable(&use_reg->reg, (const void *)use_data)) { ++ ++ use_reg->base = use_data->base & ~PSB_USE_OFFSET_MASK; ++ use_reg->data_master = use_data->data_master; ++ ++ if (!psb_use_reg_reusable(&use_reg->reg, ++ (const void *)use_data)) { ++ DRM_ERROR("USE base mechanism didn't support " ++ "buffer size or alignment\n"); ++ return -EINVAL; ++ } ++ ++ PSB_WSGX32(PSB_ALPL(use_reg->base, _PSB_CUC_BASE_ADDR) | ++ (use_reg->data_master << _PSB_CUC_BASE_DM_SHIFT), ++ PSB_CR_USE_CODE_BASE(use_reg->reg_seq)); ++ } ++ return 0; ++ ++} ++ ++int psb_grab_use_base(struct drm_psb_private *dev_priv, ++ unsigned long base, ++ unsigned long size, ++ unsigned int data_master, ++ uint32_t fence_class, ++ uint32_t fence_type, ++ int no_wait, ++ int interruptible, int *r_reg, uint32_t * r_offset) ++{ ++ struct psb_use_reg_data use_data = { ++ .base = base, ++ .size = size, ++ .data_master = data_master ++ }; ++ int ret; ++ ++ struct drm_reg *reg; ++ struct psb_use_reg *use_reg; ++ ++ ret = drm_regs_alloc(&dev_priv->use_manager, ++ (const void *)&use_data, ++ fence_class, ++ fence_type, interruptible, no_wait, ®); ++ if (ret) ++ return ret; ++ ++ use_reg = container_of(reg, struct psb_use_reg, reg); ++ ret = psb_use_reg_set(use_reg, &use_data); ++ ++ if (ret) ++ return ret; ++ ++ *r_reg = use_reg->reg_seq; ++ *r_offset = base - use_reg->base; ++ ++ return 0; ++}; ++ ++static void psb_use_reg_destroy(struct drm_reg *reg) ++{ ++ struct psb_use_reg *use_reg = ++ container_of(reg, struct psb_use_reg, reg); ++ struct drm_psb_private *dev_priv = use_reg->dev_priv; ++ ++ PSB_WSGX32(PSB_ALPL(0, _PSB_CUC_BASE_ADDR), ++ PSB_CR_USE_CODE_BASE(use_reg->reg_seq)); ++ ++ drm_free(use_reg, sizeof(*use_reg), DRM_MEM_DRIVER); ++} ++ ++int psb_init_use_base(struct drm_psb_private *dev_priv, ++ unsigned int reg_start, unsigned int reg_num) ++{ ++ struct psb_use_reg *use_reg; ++ int i; ++ int ret = 0; ++ ++ mutex_lock(&dev_priv->cmdbuf_mutex); ++ ++ drm_regs_init(&dev_priv->use_manager, ++ &psb_use_reg_reusable, &psb_use_reg_destroy); ++ ++ for (i = reg_start; i < reg_start + reg_num; ++i) { ++ use_reg = drm_calloc(1, sizeof(*use_reg), DRM_MEM_DRIVER); ++ if (!use_reg) { ++ ret = -ENOMEM; ++ goto out; ++ } ++ ++ use_reg->dev_priv = dev_priv; ++ use_reg->reg_seq = i; ++ use_reg->base = 0; ++ use_reg->data_master = _PSB_CUC_DM_PIXEL; ++ ++ PSB_WSGX32(PSB_ALPL(use_reg->base, _PSB_CUC_BASE_ADDR) | ++ (use_reg->data_master << _PSB_CUC_BASE_DM_SHIFT), ++ PSB_CR_USE_CODE_BASE(use_reg->reg_seq)); ++ ++ drm_regs_add(&dev_priv->use_manager, &use_reg->reg); ++ } ++ out: ++ mutex_unlock(&dev_priv->cmdbuf_mutex); ++ ++ return ret; ++ ++} ++ ++void psb_takedown_use_base(struct drm_psb_private *dev_priv) ++{ ++ mutex_lock(&dev_priv->cmdbuf_mutex); ++ drm_regs_free(&dev_priv->use_manager); ++ mutex_unlock(&dev_priv->cmdbuf_mutex); ++} +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_reset.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_reset.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,374 @@ ++/************************************************************************** ++ * Copyright (c) 2007, Intel Corporation. ++ * All Rights Reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms and conditions of the GNU General Public License, ++ * version 2, as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ * ++ * You should have received a copy of the GNU General Public License along with ++ * this program; if not, write to the Free Software Foundation, Inc., ++ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to ++ * develop this driver. ++ * ++ **************************************************************************/ ++/* ++ * Authors: ++ * Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> ++ */ ++ ++#include "drmP.h" ++#include "psb_drv.h" ++#include "psb_reg.h" ++#include "psb_scene.h" ++#include "psb_msvdx.h" ++ ++#define PSB_2D_TIMEOUT_MSEC 100 ++ ++void psb_reset(struct drm_psb_private *dev_priv, int reset_2d) ++{ ++ uint32_t val; ++ ++ val = _PSB_CS_RESET_BIF_RESET | ++ _PSB_CS_RESET_DPM_RESET | ++ _PSB_CS_RESET_TA_RESET | ++ _PSB_CS_RESET_USE_RESET | ++ _PSB_CS_RESET_ISP_RESET | _PSB_CS_RESET_TSP_RESET; ++ ++ if (reset_2d) ++ val |= _PSB_CS_RESET_TWOD_RESET; ++ ++ PSB_WSGX32(val, PSB_CR_SOFT_RESET); ++ (void)PSB_RSGX32(PSB_CR_SOFT_RESET); ++ ++ msleep(1); ++ ++ PSB_WSGX32(0, PSB_CR_SOFT_RESET); ++ wmb(); ++ PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_CB_CTRL_CLEAR_FAULT, ++ PSB_CR_BIF_CTRL); ++ wmb(); ++ (void)PSB_RSGX32(PSB_CR_BIF_CTRL); ++ ++ msleep(1); ++ PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) & ~_PSB_CB_CTRL_CLEAR_FAULT, ++ PSB_CR_BIF_CTRL); ++ (void)PSB_RSGX32(PSB_CR_BIF_CTRL); ++} ++ ++void psb_print_pagefault(struct drm_psb_private *dev_priv) ++{ ++ uint32_t val; ++ uint32_t addr; ++ ++ val = PSB_RSGX32(PSB_CR_BIF_INT_STAT); ++ addr = PSB_RSGX32(PSB_CR_BIF_FAULT); ++ ++ if (val) { ++ if (val & _PSB_CBI_STAT_PF_N_RW) ++ DRM_ERROR("Poulsbo MMU page fault:\n"); ++ else ++ DRM_ERROR("Poulsbo MMU read / write " ++ "protection fault:\n"); ++ ++ if (val & _PSB_CBI_STAT_FAULT_CACHE) ++ DRM_ERROR("\tCache requestor.\n"); ++ if (val & _PSB_CBI_STAT_FAULT_TA) ++ DRM_ERROR("\tTA requestor.\n"); ++ if (val & _PSB_CBI_STAT_FAULT_VDM) ++ DRM_ERROR("\tVDM requestor.\n"); ++ if (val & _PSB_CBI_STAT_FAULT_2D) ++ DRM_ERROR("\t2D requestor.\n"); ++ if (val & _PSB_CBI_STAT_FAULT_PBE) ++ DRM_ERROR("\tPBE requestor.\n"); ++ if (val & _PSB_CBI_STAT_FAULT_TSP) ++ DRM_ERROR("\tTSP requestor.\n"); ++ if (val & _PSB_CBI_STAT_FAULT_ISP) ++ DRM_ERROR("\tISP requestor.\n"); ++ if (val & _PSB_CBI_STAT_FAULT_USSEPDS) ++ DRM_ERROR("\tUSSEPDS requestor.\n"); ++ if (val & _PSB_CBI_STAT_FAULT_HOST) ++ DRM_ERROR("\tHost requestor.\n"); ++ ++ DRM_ERROR("\tMMU failing address is 0x%08x.\n", (unsigned)addr); ++ } ++} ++ ++void psb_schedule_watchdog(struct drm_psb_private *dev_priv) ++{ ++ struct timer_list *wt = &dev_priv->watchdog_timer; ++ unsigned long irq_flags; ++ ++ spin_lock_irqsave(&dev_priv->watchdog_lock, irq_flags); ++ if (dev_priv->timer_available && !timer_pending(wt)) { ++ wt->expires = jiffies + PSB_WATCHDOG_DELAY; ++ add_timer(wt); ++ } ++ spin_unlock_irqrestore(&dev_priv->watchdog_lock, irq_flags); ++} ++ ++#if 0 ++static void psb_seq_lockup_idle(struct drm_psb_private *dev_priv, ++ unsigned int engine, int *lockup, int *idle) ++{ ++ uint32_t received_seq; ++ ++ received_seq = dev_priv->comm[engine << 4]; ++ spin_lock(&dev_priv->sequence_lock); ++ *idle = (received_seq == dev_priv->sequence[engine]); ++ spin_unlock(&dev_priv->sequence_lock); ++ ++ if (*idle) { ++ dev_priv->idle[engine] = 1; ++ *lockup = 0; ++ return; ++ } ++ ++ if (dev_priv->idle[engine]) { ++ dev_priv->idle[engine] = 0; ++ dev_priv->last_sequence[engine] = received_seq; ++ *lockup = 0; ++ return; ++ } ++ ++ *lockup = (dev_priv->last_sequence[engine] == received_seq); ++} ++ ++#endif ++static void psb_watchdog_func(unsigned long data) ++{ ++ struct drm_psb_private *dev_priv = (struct drm_psb_private *)data; ++ int lockup; ++ int msvdx_lockup; ++ int msvdx_idle; ++ int lockup_2d; ++ int idle_2d; ++ int idle; ++ unsigned long irq_flags; ++ ++ psb_scheduler_lockup(dev_priv, &lockup, &idle); ++ psb_msvdx_lockup(dev_priv, &msvdx_lockup, &msvdx_idle); ++#if 0 ++ psb_seq_lockup_idle(dev_priv, PSB_ENGINE_2D, &lockup_2d, &idle_2d); ++#else ++ lockup_2d = 0; ++ idle_2d = 1; ++#endif ++ if (lockup || msvdx_lockup || lockup_2d) { ++ spin_lock_irqsave(&dev_priv->watchdog_lock, irq_flags); ++ dev_priv->timer_available = 0; ++ spin_unlock_irqrestore(&dev_priv->watchdog_lock, irq_flags); ++ if (lockup) { ++ psb_print_pagefault(dev_priv); ++ schedule_work(&dev_priv->watchdog_wq); ++ } ++ if (msvdx_lockup) ++ schedule_work(&dev_priv->msvdx_watchdog_wq); ++ } ++ if (!idle || !msvdx_idle || !idle_2d) ++ psb_schedule_watchdog(dev_priv); ++} ++ ++void psb_msvdx_flush_cmd_queue(struct drm_device *dev) ++{ ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ struct psb_msvdx_cmd_queue *msvdx_cmd; ++ struct list_head *list, *next; ++ /*Flush the msvdx cmd queue and signal all fences in the queue */ ++ list_for_each_safe(list, next, &dev_priv->msvdx_queue) { ++ msvdx_cmd = list_entry(list, struct psb_msvdx_cmd_queue, head); ++ PSB_DEBUG_GENERAL("MSVDXQUE: flushing sequence:%d\n", ++ msvdx_cmd->sequence); ++ dev_priv->msvdx_current_sequence = msvdx_cmd->sequence; ++ psb_fence_error(dev, PSB_ENGINE_VIDEO, ++ dev_priv->msvdx_current_sequence, ++ DRM_FENCE_TYPE_EXE, DRM_CMD_HANG); ++ list_del(list); ++ kfree(msvdx_cmd->cmd); ++ drm_free(msvdx_cmd, sizeof(struct psb_msvdx_cmd_queue), ++ DRM_MEM_DRIVER); ++ } ++} ++ ++static void psb_msvdx_reset_wq(struct work_struct *work) ++{ ++ struct drm_psb_private *dev_priv = ++ container_of(work, struct drm_psb_private, msvdx_watchdog_wq); ++ ++ struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ unsigned long irq_flags; ++ ++ mutex_lock(&dev_priv->msvdx_mutex); ++ dev_priv->msvdx_needs_reset = 1; ++ dev_priv->msvdx_current_sequence++; ++ PSB_DEBUG_GENERAL ++ ("MSVDXFENCE: incremented msvdx_current_sequence to :%d\n", ++ dev_priv->msvdx_current_sequence); ++ ++ psb_fence_error(scheduler->dev, PSB_ENGINE_VIDEO, ++ dev_priv->msvdx_current_sequence, DRM_FENCE_TYPE_EXE, ++ DRM_CMD_HANG); ++ ++ spin_lock_irqsave(&dev_priv->watchdog_lock, irq_flags); ++ dev_priv->timer_available = 1; ++ spin_unlock_irqrestore(&dev_priv->watchdog_lock, irq_flags); ++ ++ spin_lock_irqsave(&dev_priv->msvdx_lock, irq_flags); ++ psb_msvdx_flush_cmd_queue(scheduler->dev); ++ spin_unlock_irqrestore(&dev_priv->msvdx_lock, irq_flags); ++ ++ psb_schedule_watchdog(dev_priv); ++ mutex_unlock(&dev_priv->msvdx_mutex); ++} ++ ++static int psb_xhw_mmu_reset(struct drm_psb_private *dev_priv) ++{ ++ struct psb_xhw_buf buf; ++ uint32_t bif_ctrl; ++ ++ INIT_LIST_HEAD(&buf.head); ++ psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0); ++ bif_ctrl = PSB_RSGX32(PSB_CR_BIF_CTRL); ++ PSB_WSGX32(bif_ctrl | ++ _PSB_CB_CTRL_CLEAR_FAULT | ++ _PSB_CB_CTRL_INVALDC, PSB_CR_BIF_CTRL); ++ (void)PSB_RSGX32(PSB_CR_BIF_CTRL); ++ msleep(1); ++ PSB_WSGX32(bif_ctrl, PSB_CR_BIF_CTRL); ++ (void)PSB_RSGX32(PSB_CR_BIF_CTRL); ++ return psb_xhw_reset_dpm(dev_priv, &buf); ++} ++ ++/* ++ * Block command submission and reset hardware and schedulers. ++ */ ++ ++static void psb_reset_wq(struct work_struct *work) ++{ ++ struct drm_psb_private *dev_priv = ++ container_of(work, struct drm_psb_private, watchdog_wq); ++ int lockup_2d; ++ int idle_2d; ++ unsigned long irq_flags; ++ int ret; ++ int reset_count = 0; ++ struct psb_xhw_buf buf; ++ uint32_t xhw_lockup; ++ ++ /* ++ * Block command submission. ++ */ ++ ++ mutex_lock(&dev_priv->reset_mutex); ++ ++ INIT_LIST_HEAD(&buf.head); ++ if (psb_xhw_check_lockup(dev_priv, &buf, &xhw_lockup) == 0) { ++ if (xhw_lockup == 0 && psb_extend_raster_timeout(dev_priv) == 0) { ++ /* ++ * no lockup, just re-schedule ++ */ ++ spin_lock_irqsave(&dev_priv->watchdog_lock, irq_flags); ++ dev_priv->timer_available = 1; ++ spin_unlock_irqrestore(&dev_priv->watchdog_lock, ++ irq_flags); ++ psb_schedule_watchdog(dev_priv); ++ mutex_unlock(&dev_priv->reset_mutex); ++ return; ++ } ++ } ++#if 0 ++ msleep(PSB_2D_TIMEOUT_MSEC); ++ ++ psb_seq_lockup_idle(dev_priv, PSB_ENGINE_2D, &lockup_2d, &idle_2d); ++ ++ if (lockup_2d) { ++ uint32_t seq_2d; ++ spin_lock(&dev_priv->sequence_lock); ++ seq_2d = dev_priv->sequence[PSB_ENGINE_2D]; ++ spin_unlock(&dev_priv->sequence_lock); ++ psb_fence_error(dev_priv->scheduler.dev, ++ PSB_ENGINE_2D, ++ seq_2d, DRM_FENCE_TYPE_EXE, -EBUSY); ++ DRM_INFO("Resetting 2D engine.\n"); ++ } ++ ++ psb_reset(dev_priv, lockup_2d); ++#else ++ (void)lockup_2d; ++ (void)idle_2d; ++ psb_reset(dev_priv, 0); ++#endif ++ (void)psb_xhw_mmu_reset(dev_priv); ++ DRM_INFO("Resetting scheduler.\n"); ++ psb_scheduler_pause(dev_priv); ++ psb_scheduler_reset(dev_priv, -EBUSY); ++ psb_scheduler_ta_mem_check(dev_priv); ++ ++ while (dev_priv->ta_mem && ++ !dev_priv->force_ta_mem_load && ++reset_count < 10) { ++ ++ /* ++ * TA memory is currently fenced so offsets ++ * are valid. Reload offsets into the dpm now. ++ */ ++ ++ struct psb_xhw_buf buf; ++ INIT_LIST_HEAD(&buf.head); ++ ++ msleep(100); ++ DRM_INFO("Trying to reload TA memory.\n"); ++ ret = psb_xhw_ta_mem_load(dev_priv, &buf, ++ PSB_TA_MEM_FLAG_TA | ++ PSB_TA_MEM_FLAG_RASTER | ++ PSB_TA_MEM_FLAG_HOSTA | ++ PSB_TA_MEM_FLAG_HOSTD | ++ PSB_TA_MEM_FLAG_INIT, ++ dev_priv->ta_mem->ta_memory->offset, ++ dev_priv->ta_mem->hw_data->offset, ++ dev_priv->ta_mem->hw_cookie); ++ if (!ret) ++ break; ++ ++ psb_reset(dev_priv, 0); ++ (void)psb_xhw_mmu_reset(dev_priv); ++ } ++ ++ psb_scheduler_restart(dev_priv); ++ spin_lock_irqsave(&dev_priv->watchdog_lock, irq_flags); ++ dev_priv->timer_available = 1; ++ spin_unlock_irqrestore(&dev_priv->watchdog_lock, irq_flags); ++ mutex_unlock(&dev_priv->reset_mutex); ++} ++ ++void psb_watchdog_init(struct drm_psb_private *dev_priv) ++{ ++ struct timer_list *wt = &dev_priv->watchdog_timer; ++ unsigned long irq_flags; ++ ++ dev_priv->watchdog_lock = SPIN_LOCK_UNLOCKED; ++ spin_lock_irqsave(&dev_priv->watchdog_lock, irq_flags); ++ init_timer(wt); ++ INIT_WORK(&dev_priv->watchdog_wq, &psb_reset_wq); ++ INIT_WORK(&dev_priv->msvdx_watchdog_wq, &psb_msvdx_reset_wq); ++ wt->data = (unsigned long)dev_priv; ++ wt->function = &psb_watchdog_func; ++ dev_priv->timer_available = 1; ++ spin_unlock_irqrestore(&dev_priv->watchdog_lock, irq_flags); ++} ++ ++void psb_watchdog_takedown(struct drm_psb_private *dev_priv) ++{ ++ unsigned long irq_flags; ++ ++ spin_lock_irqsave(&dev_priv->watchdog_lock, irq_flags); ++ dev_priv->timer_available = 0; ++ spin_unlock_irqrestore(&dev_priv->watchdog_lock, irq_flags); ++ (void)del_timer_sync(&dev_priv->watchdog_timer); ++} +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_scene.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_scene.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,531 @@ ++/************************************************************************** ++ * Copyright (c) 2007, Intel Corporation. ++ * All Rights Reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms and conditions of the GNU General Public License, ++ * version 2, as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ * ++ * You should have received a copy of the GNU General Public License along with ++ * this program; if not, write to the Free Software Foundation, Inc., ++ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to ++ * develop this driver. ++ * ++ **************************************************************************/ ++/* ++ * Authors: Thomas Hellstrom <thomas-at-tungstengraphics.com> ++ */ ++ ++#include "drmP.h" ++#include "psb_drv.h" ++#include "psb_scene.h" ++ ++void psb_clear_scene_atomic(struct psb_scene *scene) ++{ ++ int i; ++ struct page *page; ++ void *v; ++ ++ for (i = 0; i < scene->clear_num_pages; ++i) { ++ page = drm_ttm_get_page(scene->hw_data->ttm, ++ scene->clear_p_start + i); ++ if (in_irq()) ++ v = kmap_atomic(page, KM_IRQ0); ++ else ++ v = kmap_atomic(page, KM_USER0); ++ ++ memset(v, 0, PAGE_SIZE); ++ ++ if (in_irq()) ++ kunmap_atomic(v, KM_IRQ0); ++ else ++ kunmap_atomic(v, KM_USER0); ++ } ++} ++ ++int psb_clear_scene(struct psb_scene *scene) ++{ ++ struct drm_bo_kmap_obj bmo; ++ int is_iomem; ++ void *addr; ++ ++ int ret = drm_bo_kmap(scene->hw_data, scene->clear_p_start, ++ scene->clear_num_pages, &bmo); ++ ++ PSB_DEBUG_RENDER("Scene clear\n"); ++ if (ret) ++ return ret; ++ ++ addr = drm_bmo_virtual(&bmo, &is_iomem); ++ BUG_ON(is_iomem); ++ memset(addr, 0, scene->clear_num_pages << PAGE_SHIFT); ++ drm_bo_kunmap(&bmo); ++ ++ return 0; ++} ++ ++static void psb_destroy_scene_devlocked(struct psb_scene *scene) ++{ ++ if (!scene) ++ return; ++ ++ PSB_DEBUG_RENDER("Scene destroy\n"); ++ drm_bo_usage_deref_locked(&scene->hw_data); ++ drm_free(scene, sizeof(*scene), DRM_MEM_DRIVER); ++} ++ ++void psb_scene_unref_devlocked(struct psb_scene **scene) ++{ ++ struct psb_scene *tmp_scene = *scene; ++ ++ PSB_DEBUG_RENDER("Scene unref\n"); ++ *scene = NULL; ++ if (atomic_dec_and_test(&tmp_scene->ref_count)) { ++ psb_scheduler_remove_scene_refs(tmp_scene); ++ psb_destroy_scene_devlocked(tmp_scene); ++ } ++} ++ ++struct psb_scene *psb_scene_ref(struct psb_scene *src) ++{ ++ PSB_DEBUG_RENDER("Scene ref\n"); ++ atomic_inc(&src->ref_count); ++ return src; ++} ++ ++static struct psb_scene *psb_alloc_scene(struct drm_device *dev, ++ uint32_t w, uint32_t h) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ int ret = -EINVAL; ++ struct psb_scene *scene; ++ uint32_t bo_size; ++ struct psb_xhw_buf buf; ++ ++ PSB_DEBUG_RENDER("Alloc scene w %u h %u\n", w, h); ++ ++ scene = drm_calloc(1, sizeof(*scene), DRM_MEM_DRIVER); ++ ++ if (!scene) { ++ DRM_ERROR("Out of memory allocating scene object.\n"); ++ return NULL; ++ } ++ ++ scene->dev = dev; ++ scene->w = w; ++ scene->h = h; ++ scene->hw_scene = NULL; ++ atomic_set(&scene->ref_count, 1); ++ ++ INIT_LIST_HEAD(&buf.head); ++ ret = psb_xhw_scene_info(dev_priv, &buf, scene->w, scene->h, ++ scene->hw_cookie, &bo_size, ++ &scene->clear_p_start, ++ &scene->clear_num_pages); ++ if (ret) ++ goto out_err; ++ ++ ret = drm_buffer_object_create(dev, bo_size, drm_bo_type_kernel, ++ DRM_PSB_FLAG_MEM_MMU | ++ DRM_BO_FLAG_READ | ++ DRM_BO_FLAG_CACHED | ++ PSB_BO_FLAG_SCENE | ++ DRM_BO_FLAG_WRITE, ++ DRM_BO_HINT_DONT_FENCE, ++ 0, 0, &scene->hw_data); ++ if (ret) ++ goto out_err; ++ ++ return scene; ++ out_err: ++ drm_free(scene, sizeof(*scene), DRM_MEM_DRIVER); ++ return NULL; ++} ++ ++int psb_validate_scene_pool(struct psb_scene_pool *pool, uint64_t flags, ++ uint64_t mask, ++ uint32_t hint, ++ uint32_t w, ++ uint32_t h, ++ int final_pass, struct psb_scene **scene_p) ++{ ++ struct drm_device *dev = pool->dev; ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ struct psb_scene *scene = pool->scenes[pool->cur_scene]; ++ int ret; ++ unsigned long irq_flags; ++ struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ uint32_t bin_pt_offset; ++ uint32_t bin_param_offset; ++ ++ PSB_DEBUG_RENDER("Validate scene pool. Scene %u\n", pool->cur_scene); ++ ++ if (unlikely(!dev_priv->ta_mem)) { ++ dev_priv->ta_mem = ++ psb_alloc_ta_mem(dev, dev_priv->ta_mem_pages); ++ if (!dev_priv->ta_mem) ++ return -ENOMEM; ++ ++ bin_pt_offset = ~0; ++ bin_param_offset = ~0; ++ } else { ++ bin_pt_offset = dev_priv->ta_mem->hw_data->offset; ++ bin_param_offset = dev_priv->ta_mem->ta_memory->offset; ++ } ++ ++ pool->w = w; ++ pool->h = h; ++ if (scene && (scene->w != pool->w || scene->h != pool->h)) { ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ if (scene->flags & PSB_SCENE_FLAG_DIRTY) { ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++ DRM_ERROR("Trying to resize a dirty scene.\n"); ++ return -EINVAL; ++ } ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++ mutex_lock(&dev->struct_mutex); ++ psb_scene_unref_devlocked(&pool->scenes[pool->cur_scene]); ++ mutex_unlock(&dev->struct_mutex); ++ scene = NULL; ++ } ++ ++ if (!scene) { ++ pool->scenes[pool->cur_scene] = scene = ++ psb_alloc_scene(pool->dev, pool->w, pool->h); ++ ++ if (!scene) ++ return -ENOMEM; ++ ++ scene->flags = PSB_SCENE_FLAG_CLEARED; ++ } ++ ++ /* ++ * FIXME: We need atomic bit manipulation here for the ++ * scheduler. For now use the spinlock. ++ */ ++ ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ if (!(scene->flags & PSB_SCENE_FLAG_CLEARED)) { ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++ PSB_DEBUG_RENDER("Waiting to clear scene memory.\n"); ++ mutex_lock(&scene->hw_data->mutex); ++ ret = drm_bo_wait(scene->hw_data, 0, 0, 0); ++ mutex_unlock(&scene->hw_data->mutex); ++ if (ret) ++ return ret; ++ ++ ret = psb_clear_scene(scene); ++ ++ if (ret) ++ return ret; ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ scene->flags |= PSB_SCENE_FLAG_CLEARED; ++ } ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++ ++ ret = drm_bo_do_validate(scene->hw_data, flags, mask, hint, ++ PSB_ENGINE_TA, 0, NULL); ++ if (ret) ++ return ret; ++ ret = drm_bo_do_validate(dev_priv->ta_mem->hw_data, 0, 0, 0, ++ PSB_ENGINE_TA, 0, NULL); ++ if (ret) ++ return ret; ++ ret = drm_bo_do_validate(dev_priv->ta_mem->ta_memory, 0, 0, 0, ++ PSB_ENGINE_TA, 0, NULL); ++ if (ret) ++ return ret; ++ ++ if (unlikely(bin_param_offset != ++ dev_priv->ta_mem->ta_memory->offset || ++ bin_pt_offset != ++ dev_priv->ta_mem->hw_data->offset || ++ dev_priv->force_ta_mem_load)) { ++ ++ struct psb_xhw_buf buf; ++ ++ INIT_LIST_HEAD(&buf.head); ++ ret = psb_xhw_ta_mem_load(dev_priv, &buf, ++ PSB_TA_MEM_FLAG_TA | ++ PSB_TA_MEM_FLAG_RASTER | ++ PSB_TA_MEM_FLAG_HOSTA | ++ PSB_TA_MEM_FLAG_HOSTD | ++ PSB_TA_MEM_FLAG_INIT, ++ dev_priv->ta_mem->ta_memory->offset, ++ dev_priv->ta_mem->hw_data->offset, ++ dev_priv->ta_mem->hw_cookie); ++ if (ret) ++ return ret; ++ ++ dev_priv->force_ta_mem_load = 0; ++ } ++ ++ if (final_pass) { ++ ++ /* ++ * Clear the scene on next use. Advance the scene counter. ++ */ ++ ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ scene->flags &= ~PSB_SCENE_FLAG_CLEARED; ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++ pool->cur_scene = (pool->cur_scene + 1) % pool->num_scenes; ++ } ++ ++ *scene_p = psb_scene_ref(scene); ++ return 0; ++} ++ ++static void psb_scene_pool_destroy_devlocked(struct psb_scene_pool *pool) ++{ ++ int i; ++ ++ if (!pool) ++ return; ++ ++ PSB_DEBUG_RENDER("Scene pool destroy.\n"); ++ for (i = 0; i < pool->num_scenes; ++i) { ++ PSB_DEBUG_RENDER("scenes %d is 0x%08lx\n", i, ++ (unsigned long)pool->scenes[i]); ++ if (pool->scenes[i]) ++ psb_scene_unref_devlocked(&pool->scenes[i]); ++ } ++ drm_free(pool, sizeof(*pool), DRM_MEM_DRIVER); ++} ++ ++void psb_scene_pool_unref_devlocked(struct psb_scene_pool **pool) ++{ ++ struct psb_scene_pool *tmp_pool = *pool; ++ struct drm_device *dev = tmp_pool->dev; ++ ++ PSB_DEBUG_RENDER("Scene pool unref\n"); ++ (void)dev; ++ DRM_ASSERT_LOCKED(&dev->struct_mutex); ++ *pool = NULL; ++ if (--tmp_pool->ref_count == 0) ++ psb_scene_pool_destroy_devlocked(tmp_pool); ++} ++ ++struct psb_scene_pool *psb_scene_pool_ref_devlocked(struct psb_scene_pool *src) ++{ ++ ++src->ref_count; ++ return src; ++} ++ ++/* ++ * Callback for user object manager. ++ */ ++ ++static void psb_scene_pool_destroy(struct drm_file *priv, ++ struct drm_user_object *base) ++{ ++ struct psb_scene_pool *pool = ++ drm_user_object_entry(base, struct psb_scene_pool, user); ++ ++ psb_scene_pool_unref_devlocked(&pool); ++} ++ ++struct psb_scene_pool *psb_scene_pool_lookup_devlocked(struct drm_file *priv, ++ uint32_t handle, ++ int check_owner) ++{ ++ struct drm_user_object *uo; ++ struct psb_scene_pool *pool; ++ ++ uo = drm_lookup_user_object(priv, handle); ++ if (!uo || (uo->type != PSB_USER_OBJECT_SCENE_POOL)) { ++ DRM_ERROR("Could not find scene pool object 0x%08x\n", handle); ++ return NULL; ++ } ++ ++ if (check_owner && priv != uo->owner) { ++ if (!drm_lookup_ref_object(priv, uo, _DRM_REF_USE)) ++ return NULL; ++ } ++ ++ pool = drm_user_object_entry(uo, struct psb_scene_pool, user); ++ return psb_scene_pool_ref_devlocked(pool); ++} ++ ++struct psb_scene_pool *psb_scene_pool_alloc(struct drm_file *priv, ++ int shareable, ++ uint32_t num_scenes, ++ uint32_t w, uint32_t h) ++{ ++ struct drm_device *dev = priv->minor->dev; ++ struct psb_scene_pool *pool; ++ int ret; ++ ++ PSB_DEBUG_RENDER("Scene pool alloc\n"); ++ pool = drm_calloc(1, sizeof(*pool), DRM_MEM_DRIVER); ++ if (!pool) { ++ DRM_ERROR("Out of memory allocating scene pool object.\n"); ++ return NULL; ++ } ++ pool->w = w; ++ pool->h = h; ++ pool->dev = dev; ++ pool->num_scenes = num_scenes; ++ ++ mutex_lock(&dev->struct_mutex); ++ ret = drm_add_user_object(priv, &pool->user, shareable); ++ if (ret) ++ goto out_err; ++ ++ pool->user.type = PSB_USER_OBJECT_SCENE_POOL; ++ pool->user.remove = &psb_scene_pool_destroy; ++ pool->ref_count = 2; ++ mutex_unlock(&dev->struct_mutex); ++ return pool; ++ out_err: ++ drm_free(pool, sizeof(*pool), DRM_MEM_DRIVER); ++ return NULL; ++} ++ ++/* ++ * Code to support multiple ta memory buffers. ++ */ ++ ++static void psb_destroy_ta_mem_devlocked(struct psb_ta_mem *ta_mem) ++{ ++ if (!ta_mem) ++ return; ++ ++ drm_bo_usage_deref_locked(&ta_mem->hw_data); ++ drm_bo_usage_deref_locked(&ta_mem->ta_memory); ++ drm_free(ta_mem, sizeof(*ta_mem), DRM_MEM_DRIVER); ++} ++ ++void psb_ta_mem_unref_devlocked(struct psb_ta_mem **ta_mem) ++{ ++ struct psb_ta_mem *tmp_ta_mem = *ta_mem; ++ struct drm_device *dev = tmp_ta_mem->dev; ++ ++ (void)dev; ++ DRM_ASSERT_LOCKED(&dev->struct_mutex); ++ *ta_mem = NULL; ++ if (--tmp_ta_mem->ref_count == 0) ++ psb_destroy_ta_mem_devlocked(tmp_ta_mem); ++} ++ ++void psb_ta_mem_ref_devlocked(struct psb_ta_mem **dst, struct psb_ta_mem *src) ++{ ++ struct drm_device *dev = src->dev; ++ ++ (void)dev; ++ DRM_ASSERT_LOCKED(&dev->struct_mutex); ++ *dst = src; ++ ++src->ref_count; ++} ++ ++struct psb_ta_mem *psb_alloc_ta_mem(struct drm_device *dev, uint32_t pages) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ int ret = -EINVAL; ++ struct psb_ta_mem *ta_mem; ++ uint32_t bo_size; ++ struct psb_xhw_buf buf; ++ ++ INIT_LIST_HEAD(&buf.head); ++ ++ ta_mem = drm_calloc(1, sizeof(*ta_mem), DRM_MEM_DRIVER); ++ ++ if (!ta_mem) { ++ DRM_ERROR("Out of memory allocating parameter memory.\n"); ++ return NULL; ++ } ++ ++ ret = psb_xhw_ta_mem_info(dev_priv, &buf, pages, ++ ta_mem->hw_cookie, &bo_size); ++ if (ret == -ENOMEM) { ++ DRM_ERROR("Parameter memory size is too small.\n"); ++ DRM_INFO("Attempted to use %u kiB of parameter memory.\n", ++ (unsigned int)(pages * (PAGE_SIZE / 1024))); ++ DRM_INFO("The Xpsb driver thinks this is too small and\n"); ++ DRM_INFO("suggests %u kiB. Check the psb DRM\n", ++ (unsigned int)(bo_size / 1024)); ++ DRM_INFO("\"ta_mem_size\" parameter!\n"); ++ } ++ if (ret) ++ goto out_err0; ++ ++ bo_size = pages * PAGE_SIZE; ++ ta_mem->dev = dev; ++ ret = drm_buffer_object_create(dev, bo_size, drm_bo_type_kernel, ++ DRM_PSB_FLAG_MEM_MMU | DRM_BO_FLAG_READ | ++ DRM_BO_FLAG_WRITE | ++ PSB_BO_FLAG_SCENE, ++ DRM_BO_HINT_DONT_FENCE, 0, 0, ++ &ta_mem->hw_data); ++ if (ret) ++ goto out_err0; ++ ++ ret = ++ drm_buffer_object_create(dev, pages << PAGE_SHIFT, ++ drm_bo_type_kernel, ++ DRM_PSB_FLAG_MEM_RASTGEOM | ++ DRM_BO_FLAG_READ | ++ DRM_BO_FLAG_WRITE | ++ PSB_BO_FLAG_SCENE, ++ DRM_BO_HINT_DONT_FENCE, 0, ++ 1024 * 1024 >> PAGE_SHIFT, ++ &ta_mem->ta_memory); ++ if (ret) ++ goto out_err1; ++ ++ ta_mem->ref_count = 1; ++ return ta_mem; ++ out_err1: ++ drm_bo_usage_deref_unlocked(&ta_mem->hw_data); ++ out_err0: ++ drm_free(ta_mem, sizeof(*ta_mem), DRM_MEM_DRIVER); ++ return NULL; ++} ++ ++int drm_psb_scene_unref_ioctl(struct drm_device *dev, ++ void *data, struct drm_file *file_priv) ++{ ++ struct drm_psb_scene *scene = (struct drm_psb_scene *)data; ++ struct drm_user_object *uo; ++ struct drm_ref_object *ro; ++ int ret = 0; ++ ++ mutex_lock(&dev->struct_mutex); ++ if (!scene->handle_valid) ++ goto out_unlock; ++ ++ uo = drm_lookup_user_object(file_priv, scene->handle); ++ if (!uo) { ++ ret = -EINVAL; ++ goto out_unlock; ++ } ++ if (uo->type != PSB_USER_OBJECT_SCENE_POOL) { ++ DRM_ERROR("Not a scene pool object.\n"); ++ ret = -EINVAL; ++ goto out_unlock; ++ } ++ if (uo->owner != file_priv) { ++ DRM_ERROR("Not owner of scene pool object.\n"); ++ ret = -EPERM; ++ goto out_unlock; ++ } ++ ++ scene->handle_valid = 0; ++ ro = drm_lookup_ref_object(file_priv, uo, _DRM_REF_USE); ++ BUG_ON(!ro); ++ drm_remove_ref_object(file_priv, ro); ++ ++ out_unlock: ++ mutex_unlock(&dev->struct_mutex); ++ return ret; ++} +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_scene.h +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_scene.h 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,112 @@ ++/************************************************************************** ++ * Copyright (c) 2007, Intel Corporation. ++ * All Rights Reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms and conditions of the GNU General Public License, ++ * version 2, as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ * ++ * You should have received a copy of the GNU General Public License along with ++ * this program; if not, write to the Free Software Foundation, Inc., ++ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to ++ * develop this driver. ++ * ++ **************************************************************************/ ++/* ++ * Authors: Thomas Hellstrom <thomas-at-tungstengraphics.com> ++ */ ++ ++#ifndef _PSB_SCENE_H_ ++#define _PSB_SCENE_H_ ++ ++#define PSB_USER_OBJECT_SCENE_POOL drm_driver_type0 ++#define PSB_USER_OBJECT_TA_MEM drm_driver_type1 ++#define PSB_MAX_NUM_SCENES 8 ++ ++struct psb_hw_scene; ++struct psb_hw_ta_mem; ++ ++struct psb_scene_pool { ++ struct drm_device *dev; ++ struct drm_user_object user; ++ uint32_t ref_count; ++ uint32_t w; ++ uint32_t h; ++ uint32_t cur_scene; ++ struct psb_scene *scenes[PSB_MAX_NUM_SCENES]; ++ uint32_t num_scenes; ++}; ++ ++struct psb_scene { ++ struct drm_device *dev; ++ atomic_t ref_count; ++ uint32_t hw_cookie[PSB_SCENE_HW_COOKIE_SIZE]; ++ uint32_t bo_size; ++ uint32_t w; ++ uint32_t h; ++ struct psb_ta_mem *ta_mem; ++ struct psb_hw_scene *hw_scene; ++ struct drm_buffer_object *hw_data; ++ uint32_t flags; ++ uint32_t clear_p_start; ++ uint32_t clear_num_pages; ++}; ++ ++struct psb_scene_entry { ++ struct list_head head; ++ struct psb_scene *scene; ++}; ++ ++struct psb_user_scene { ++ struct drm_device *dev; ++ struct drm_user_object user; ++}; ++ ++struct psb_ta_mem { ++ struct drm_device *dev; ++ struct drm_user_object user; ++ uint32_t ref_count; ++ uint32_t hw_cookie[PSB_TA_MEM_HW_COOKIE_SIZE]; ++ uint32_t bo_size; ++ struct drm_buffer_object *ta_memory; ++ struct drm_buffer_object *hw_data; ++ int is_deallocating; ++ int deallocating_scheduled; ++}; ++ ++extern struct psb_scene_pool *psb_scene_pool_alloc(struct drm_file *priv, ++ int shareable, ++ uint32_t num_scenes, ++ uint32_t w, uint32_t h); ++extern void psb_scene_pool_unref_devlocked(struct psb_scene_pool **pool); ++extern struct psb_scene_pool *psb_scene_pool_lookup_devlocked(struct drm_file ++ *priv, ++ uint32_t handle, ++ int check_owner); ++extern int psb_validate_scene_pool(struct psb_scene_pool *pool, uint64_t flags, ++ uint64_t mask, uint32_t hint, uint32_t w, ++ uint32_t h, int final_pass, ++ struct psb_scene **scene_p); ++extern void psb_scene_unref_devlocked(struct psb_scene **scene); ++extern struct psb_scene *psb_scene_ref(struct psb_scene *src); ++extern int drm_psb_scene_unref_ioctl(struct drm_device *dev, ++ void *data, struct drm_file *file_priv); ++ ++static inline uint32_t psb_scene_pool_handle(struct psb_scene_pool *pool) ++{ ++ return pool->user.hash.key; ++} ++extern struct psb_ta_mem *psb_alloc_ta_mem(struct drm_device *dev, ++ uint32_t pages); ++extern void psb_ta_mem_ref_devlocked(struct psb_ta_mem **dst, ++ struct psb_ta_mem *src); ++extern void psb_ta_mem_unref_devlocked(struct psb_ta_mem **ta_mem); ++ ++#endif +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_schedule.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_schedule.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,1445 @@ ++/************************************************************************** ++ * Copyright (c) 2007, Intel Corporation. ++ * All Rights Reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms and conditions of the GNU General Public License, ++ * version 2, as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ * ++ * You should have received a copy of the GNU General Public License along with ++ * this program; if not, write to the Free Software Foundation, Inc., ++ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to ++ * develop this driver. ++ * ++ **************************************************************************/ ++/* ++ * Authors: Thomas Hellstrom <thomas-at-tungstengraphics.com> ++ */ ++ ++#include "drmP.h" ++#include "psb_drm.h" ++#include "psb_drv.h" ++#include "psb_reg.h" ++#include "psb_scene.h" ++ ++#define PSB_ALLOWED_RASTER_RUNTIME (DRM_HZ * 20) ++#define PSB_RASTER_TIMEOUT (DRM_HZ / 2) ++#define PSB_TA_TIMEOUT (DRM_HZ / 5) ++ ++#undef PSB_SOFTWARE_WORKAHEAD ++ ++#ifdef PSB_STABLE_SETTING ++ ++/* ++ * Software blocks completely while the engines are working so there can be no ++ * overlap. ++ */ ++ ++#define PSB_WAIT_FOR_RASTER_COMPLETION ++#define PSB_WAIT_FOR_TA_COMPLETION ++ ++#elif defined(PSB_PARANOID_SETTING) ++/* ++ * Software blocks "almost" while the engines are working so there can be no ++ * overlap. ++ */ ++ ++#define PSB_WAIT_FOR_RASTER_COMPLETION ++#define PSB_WAIT_FOR_TA_COMPLETION ++#define PSB_BE_PARANOID ++ ++#elif defined(PSB_SOME_OVERLAP_BUT_LOCKUP) ++/* ++ * Software leaps ahead while the rasterizer is running and prepares ++ * a new ta job that can be scheduled before the rasterizer has ++ * finished. ++ */ ++ ++#define PSB_WAIT_FOR_TA_COMPLETION ++ ++#elif defined(PSB_SOFTWARE_WORKAHEAD) ++/* ++ * Don't sync, but allow software to work ahead. and queue a number of jobs. ++ * But block overlapping in the scheduler. ++ */ ++ ++#define PSB_BLOCK_OVERLAP ++#define ONLY_ONE_JOB_IN_RASTER_QUEUE ++ ++#endif ++ ++/* ++ * Avoid pixelbe pagefaults on C0. ++ */ ++#if 0 ++#define PSB_BLOCK_OVERLAP ++#endif ++ ++static void psb_dispatch_ta(struct drm_psb_private *dev_priv, ++ struct psb_scheduler *scheduler, ++ uint32_t reply_flag); ++static void psb_dispatch_raster(struct drm_psb_private *dev_priv, ++ struct psb_scheduler *scheduler, ++ uint32_t reply_flag); ++ ++#ifdef FIX_TG_16 ++ ++static void psb_2d_atomic_unlock(struct drm_psb_private *dev_priv); ++static int psb_2d_trylock(struct drm_psb_private *dev_priv); ++static int psb_check_2d_idle(struct drm_psb_private *dev_priv); ++ ++#endif ++ ++void psb_scheduler_lockup(struct drm_psb_private *dev_priv, ++ int *lockup, int *idle) ++{ ++ unsigned long irq_flags; ++ struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ ++ *lockup = 0; ++ *idle = 1; ++ ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ ++ if (scheduler->current_task[PSB_SCENE_ENGINE_TA] != NULL && ++ time_after_eq(jiffies, scheduler->ta_end_jiffies)) { ++ *lockup = 1; ++ } ++ if (!*lockup ++ && (scheduler->current_task[PSB_SCENE_ENGINE_RASTER] != NULL) ++ && time_after_eq(jiffies, scheduler->raster_end_jiffies)) { ++ *lockup = 1; ++ } ++ if (!*lockup) ++ *idle = scheduler->idle; ++ ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++} ++ ++static inline void psb_set_idle(struct psb_scheduler *scheduler) ++{ ++ scheduler->idle = ++ (scheduler->current_task[PSB_SCENE_ENGINE_RASTER] == NULL) && ++ (scheduler->current_task[PSB_SCENE_ENGINE_TA] == NULL); ++ if (scheduler->idle) ++ wake_up(&scheduler->idle_queue); ++} ++ ++/* ++ * Call with the scheduler spinlock held. ++ * Assigns a scene context to either the ta or the rasterizer, ++ * flushing out other scenes to memory if necessary. ++ */ ++ ++static int psb_set_scene_fire(struct psb_scheduler *scheduler, ++ struct psb_scene *scene, ++ int engine, struct psb_task *task) ++{ ++ uint32_t flags = 0; ++ struct psb_hw_scene *hw_scene; ++ struct drm_device *dev = scene->dev; ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ ++ hw_scene = scene->hw_scene; ++ if (hw_scene && hw_scene->last_scene == scene) { ++ ++ /* ++ * Reuse the last hw scene context and delete it from the ++ * free list. ++ */ ++ ++ PSB_DEBUG_RENDER("Reusing hw scene %d.\n", ++ hw_scene->context_number); ++ if (scene->flags & PSB_SCENE_FLAG_DIRTY) { ++ ++ /* ++ * No hw context initialization to be done. ++ */ ++ ++ flags |= PSB_SCENE_FLAG_SETUP_ONLY; ++ } ++ ++ list_del_init(&hw_scene->head); ++ ++ } else { ++ struct list_head *list; ++ hw_scene = NULL; ++ ++ /* ++ * Grab a new hw scene context. ++ */ ++ ++ list_for_each(list, &scheduler->hw_scenes) { ++ hw_scene = list_entry(list, struct psb_hw_scene, head); ++ break; ++ } ++ BUG_ON(!hw_scene); ++ PSB_DEBUG_RENDER("New hw scene %d.\n", ++ hw_scene->context_number); ++ ++ list_del_init(list); ++ } ++ scene->hw_scene = hw_scene; ++ hw_scene->last_scene = scene; ++ ++ flags |= PSB_SCENE_FLAG_SETUP; ++ ++ /* ++ * Switch context and setup the engine. ++ */ ++ ++ return psb_xhw_scene_bind_fire(dev_priv, ++ &task->buf, ++ task->flags, ++ hw_scene->context_number, ++ scene->hw_cookie, ++ task->oom_cmds, ++ task->oom_cmd_size, ++ scene->hw_data->offset, ++ engine, flags | scene->flags); ++} ++ ++static inline void psb_report_fence(struct psb_scheduler *scheduler, ++ uint32_t class, ++ uint32_t sequence, ++ uint32_t type, int call_handler) ++{ ++ struct psb_scheduler_seq *seq = &scheduler->seq[type]; ++ ++ seq->sequence = sequence; ++ seq->reported = 0; ++ if (call_handler) ++ psb_fence_handler(scheduler->dev, class); ++} ++ ++static void psb_schedule_raster(struct drm_psb_private *dev_priv, ++ struct psb_scheduler *scheduler); ++ ++static void psb_schedule_ta(struct drm_psb_private *dev_priv, ++ struct psb_scheduler *scheduler) ++{ ++ struct psb_task *task = NULL; ++ struct list_head *list, *next; ++ int pushed_raster_task = 0; ++ ++ PSB_DEBUG_RENDER("schedule ta\n"); ++ ++ if (scheduler->idle_count != 0) ++ return; ++ ++ if (scheduler->current_task[PSB_SCENE_ENGINE_TA] != NULL) ++ return; ++ ++ if (scheduler->ta_state) ++ return; ++ ++ /* ++ * Skip the ta stage for rasterization-only ++ * tasks. They arrive here to make sure we're rasterizing ++ * tasks in the correct order. ++ */ ++ ++ list_for_each_safe(list, next, &scheduler->ta_queue) { ++ task = list_entry(list, struct psb_task, head); ++ if (task->task_type != psb_raster_task) ++ break; ++ ++ list_del_init(list); ++ list_add_tail(list, &scheduler->raster_queue); ++ psb_report_fence(scheduler, task->engine, task->sequence, ++ _PSB_FENCE_TA_DONE_SHIFT, 1); ++ task = NULL; ++ pushed_raster_task = 1; ++ } ++ ++ if (pushed_raster_task) ++ psb_schedule_raster(dev_priv, scheduler); ++ ++ if (!task) ++ return; ++ ++ /* ++ * Still waiting for a vistest? ++ */ ++ ++ if (scheduler->feedback_task == task) ++ return; ++ ++#ifdef ONLY_ONE_JOB_IN_RASTER_QUEUE ++ ++ /* ++ * Block ta from trying to use both hardware contexts ++ * without the rasterizer starting to render from one of them. ++ */ ++ ++ if (!list_empty(&scheduler->raster_queue)) { ++ return; ++ } ++#endif ++ ++#ifdef PSB_BLOCK_OVERLAP ++ /* ++ * Make sure rasterizer isn't doing anything. ++ */ ++ if (scheduler->current_task[PSB_SCENE_ENGINE_RASTER] != NULL) ++ return; ++#endif ++ if (list_empty(&scheduler->hw_scenes)) ++ return; ++ ++#ifdef FIX_TG_16 ++ if (psb_check_2d_idle(dev_priv)) ++ return; ++#endif ++ ++ list_del_init(&task->head); ++ if (task->flags & PSB_FIRE_FLAG_XHW_OOM) ++ scheduler->ta_state = 1; ++ ++ scheduler->current_task[PSB_SCENE_ENGINE_TA] = task; ++ scheduler->idle = 0; ++ scheduler->ta_end_jiffies = jiffies + PSB_TA_TIMEOUT; ++ ++ task->reply_flags = (task->flags & PSB_FIRE_FLAG_XHW_OOM) ? ++ 0x00000000 : PSB_RF_FIRE_TA; ++ ++ (void)psb_reg_submit(dev_priv, task->ta_cmds, task->ta_cmd_size); ++ psb_set_scene_fire(scheduler, task->scene, PSB_SCENE_ENGINE_TA, task); ++ psb_schedule_watchdog(dev_priv); ++} ++ ++static int psb_fire_raster(struct psb_scheduler *scheduler, ++ struct psb_task *task) ++{ ++ struct drm_device *dev = scheduler->dev; ++ struct drm_psb_private *dev_priv = (struct drm_psb_private *) ++ dev->dev_private; ++ ++ PSB_DEBUG_RENDER("Fire raster %d\n", task->sequence); ++ ++ return psb_xhw_fire_raster(dev_priv, &task->buf, task->flags); ++} ++ ++/* ++ * Take the first rasterization task from the hp raster queue or from the ++ * raster queue and fire the rasterizer. ++ */ ++ ++static void psb_schedule_raster(struct drm_psb_private *dev_priv, ++ struct psb_scheduler *scheduler) ++{ ++ struct psb_task *task; ++ struct list_head *list; ++ ++ if (scheduler->idle_count != 0) ++ return; ++ ++ if (scheduler->current_task[PSB_SCENE_ENGINE_RASTER] != NULL) { ++ PSB_DEBUG_RENDER("Raster busy.\n"); ++ return; ++ } ++#ifdef PSB_BLOCK_OVERLAP ++ if (scheduler->current_task[PSB_SCENE_ENGINE_TA] != NULL) { ++ PSB_DEBUG_RENDER("TA busy.\n"); ++ return; ++ } ++#endif ++ ++ if (!list_empty(&scheduler->hp_raster_queue)) ++ list = scheduler->hp_raster_queue.next; ++ else if (!list_empty(&scheduler->raster_queue)) ++ list = scheduler->raster_queue.next; ++ else { ++ PSB_DEBUG_RENDER("Nothing in list\n"); ++ return; ++ } ++ ++ task = list_entry(list, struct psb_task, head); ++ ++ /* ++ * Sometimes changing ZLS format requires an ISP reset. ++ * Doesn't seem to consume too much time. ++ */ ++ ++ if (task->scene) ++ PSB_WSGX32(_PSB_CS_RESET_ISP_RESET, PSB_CR_SOFT_RESET); ++ ++ scheduler->current_task[PSB_SCENE_ENGINE_RASTER] = task; ++ ++ list_del_init(list); ++ scheduler->idle = 0; ++ scheduler->raster_end_jiffies = jiffies + PSB_RASTER_TIMEOUT; ++ scheduler->total_raster_jiffies = 0; ++ ++ if (task->scene) ++ PSB_WSGX32(0, PSB_CR_SOFT_RESET); ++ ++ (void)psb_reg_submit(dev_priv, task->raster_cmds, ++ task->raster_cmd_size); ++ ++ if (task->scene) { ++ task->reply_flags = (task->flags & PSB_FIRE_FLAG_XHW_OOM) ? ++ 0x00000000 : PSB_RF_FIRE_RASTER; ++ psb_set_scene_fire(scheduler, ++ task->scene, PSB_SCENE_ENGINE_RASTER, task); ++ } else { ++ task->reply_flags = PSB_RF_DEALLOC | PSB_RF_FIRE_RASTER; ++ psb_fire_raster(scheduler, task); ++ } ++ psb_schedule_watchdog(dev_priv); ++} ++ ++int psb_extend_raster_timeout(struct drm_psb_private *dev_priv) ++{ ++ struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ unsigned long irq_flags; ++ int ret; ++ ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ scheduler->total_raster_jiffies += ++ jiffies - scheduler->raster_end_jiffies + PSB_RASTER_TIMEOUT; ++ scheduler->raster_end_jiffies = jiffies + PSB_RASTER_TIMEOUT; ++ ret = (scheduler->total_raster_jiffies > PSB_ALLOWED_RASTER_RUNTIME) ? ++ -EBUSY : 0; ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++ return ret; ++} ++ ++/* ++ * TA done handler. ++ */ ++ ++static void psb_ta_done(struct drm_psb_private *dev_priv, ++ struct psb_scheduler *scheduler) ++{ ++ struct psb_task *task = scheduler->current_task[PSB_SCENE_ENGINE_TA]; ++ struct psb_scene *scene = task->scene; ++ ++ PSB_DEBUG_RENDER("TA done %u\n", task->sequence); ++ ++ switch (task->ta_complete_action) { ++ case PSB_RASTER_BLOCK: ++ scheduler->ta_state = 1; ++ scene->flags |= ++ (PSB_SCENE_FLAG_DIRTY | PSB_SCENE_FLAG_COMPLETE); ++ list_add_tail(&task->head, &scheduler->raster_queue); ++ break; ++ case PSB_RASTER: ++ scene->flags |= ++ (PSB_SCENE_FLAG_DIRTY | PSB_SCENE_FLAG_COMPLETE); ++ list_add_tail(&task->head, &scheduler->raster_queue); ++ break; ++ case PSB_RETURN: ++ scheduler->ta_state = 0; ++ scene->flags |= PSB_SCENE_FLAG_DIRTY; ++ list_add_tail(&scene->hw_scene->head, &scheduler->hw_scenes); ++ ++ break; ++ } ++ ++ scheduler->current_task[PSB_SCENE_ENGINE_TA] = NULL; ++ ++#ifdef FIX_TG_16 ++ psb_2d_atomic_unlock(dev_priv); ++#endif ++ ++ if (task->ta_complete_action != PSB_RASTER_BLOCK) ++ psb_report_fence(scheduler, task->engine, task->sequence, ++ _PSB_FENCE_TA_DONE_SHIFT, 1); ++ ++ psb_schedule_raster(dev_priv, scheduler); ++ psb_schedule_ta(dev_priv, scheduler); ++ psb_set_idle(scheduler); ++ ++ if (task->ta_complete_action != PSB_RETURN) ++ return; ++ ++ list_add_tail(&task->head, &scheduler->task_done_queue); ++ schedule_delayed_work(&scheduler->wq, 1); ++} ++ ++/* ++ * Rasterizer done handler. ++ */ ++ ++static void psb_raster_done(struct drm_psb_private *dev_priv, ++ struct psb_scheduler *scheduler) ++{ ++ struct psb_task *task = ++ scheduler->current_task[PSB_SCENE_ENGINE_RASTER]; ++ struct psb_scene *scene = task->scene; ++ uint32_t complete_action = task->raster_complete_action; ++ ++ PSB_DEBUG_RENDER("Raster done %u\n", task->sequence); ++ ++ scheduler->current_task[PSB_SCENE_ENGINE_RASTER] = NULL; ++ ++ if (complete_action != PSB_RASTER) ++ psb_schedule_raster(dev_priv, scheduler); ++ ++ if (scene) { ++ if (task->feedback.page) { ++ if (unlikely(scheduler->feedback_task)) { ++ /* ++ * This should never happen, since the previous ++ * feedback query will return before the next ++ * raster task is fired. ++ */ ++ DRM_ERROR("Feedback task busy.\n"); ++ } ++ scheduler->feedback_task = task; ++ psb_xhw_vistest(dev_priv, &task->buf); ++ } ++ switch (complete_action) { ++ case PSB_RETURN: ++ scene->flags &= ++ ~(PSB_SCENE_FLAG_DIRTY | PSB_SCENE_FLAG_COMPLETE); ++ list_add_tail(&scene->hw_scene->head, ++ &scheduler->hw_scenes); ++ psb_report_fence(scheduler, task->engine, ++ task->sequence, ++ _PSB_FENCE_SCENE_DONE_SHIFT, 1); ++ if (task->flags & PSB_FIRE_FLAG_XHW_OOM) { ++ scheduler->ta_state = 0; ++ } ++ break; ++ case PSB_RASTER: ++ list_add(&task->head, &scheduler->raster_queue); ++ task->raster_complete_action = PSB_RETURN; ++ psb_schedule_raster(dev_priv, scheduler); ++ break; ++ case PSB_TA: ++ list_add(&task->head, &scheduler->ta_queue); ++ scheduler->ta_state = 0; ++ task->raster_complete_action = PSB_RETURN; ++ task->ta_complete_action = PSB_RASTER; ++ break; ++ ++ } ++ } ++ psb_schedule_ta(dev_priv, scheduler); ++ psb_set_idle(scheduler); ++ ++ if (complete_action == PSB_RETURN) { ++ if (task->scene == NULL) { ++ psb_report_fence(scheduler, task->engine, ++ task->sequence, ++ _PSB_FENCE_RASTER_DONE_SHIFT, 1); ++ } ++ if (!task->feedback.page) { ++ list_add_tail(&task->head, &scheduler->task_done_queue); ++ schedule_delayed_work(&scheduler->wq, 1); ++ } ++ } ++} ++ ++void psb_scheduler_pause(struct drm_psb_private *dev_priv) ++{ ++ struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ unsigned long irq_flags; ++ ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ scheduler->idle_count++; ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++} ++ ++void psb_scheduler_restart(struct drm_psb_private *dev_priv) ++{ ++ struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ unsigned long irq_flags; ++ ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ if (--scheduler->idle_count == 0) { ++ psb_schedule_ta(dev_priv, scheduler); ++ psb_schedule_raster(dev_priv, scheduler); ++ } ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++} ++ ++int psb_scheduler_idle(struct drm_psb_private *dev_priv) ++{ ++ struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ unsigned long irq_flags; ++ int ret; ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ ret = scheduler->idle_count != 0 && scheduler->idle; ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++ return ret; ++} ++ ++int psb_scheduler_finished(struct drm_psb_private *dev_priv) ++{ ++ struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ unsigned long irq_flags; ++ int ret; ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ ret = (scheduler->idle && ++ list_empty(&scheduler->raster_queue) && ++ list_empty(&scheduler->ta_queue) && ++ list_empty(&scheduler->hp_raster_queue)); ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++ return ret; ++} ++ ++static void psb_ta_oom(struct drm_psb_private *dev_priv, ++ struct psb_scheduler *scheduler) ++{ ++ ++ struct psb_task *task = scheduler->current_task[PSB_SCENE_ENGINE_TA]; ++ if (!task) ++ return; ++ ++ if (task->aborting) ++ return; ++ task->aborting = 1; ++ ++ DRM_INFO("Info: TA out of parameter memory.\n"); ++ ++ (void)psb_xhw_ta_oom(dev_priv, &task->buf, task->scene->hw_cookie); ++} ++ ++static void psb_ta_oom_reply(struct drm_psb_private *dev_priv, ++ struct psb_scheduler *scheduler) ++{ ++ ++ struct psb_task *task = scheduler->current_task[PSB_SCENE_ENGINE_TA]; ++ uint32_t flags; ++ if (!task) ++ return; ++ ++ psb_xhw_ta_oom_reply(dev_priv, &task->buf, ++ task->scene->hw_cookie, ++ &task->ta_complete_action, ++ &task->raster_complete_action, &flags); ++ task->flags |= flags; ++ task->aborting = 0; ++ psb_dispatch_ta(dev_priv, scheduler, PSB_RF_OOM_REPLY); ++} ++ ++static void psb_ta_hw_scene_freed(struct drm_psb_private *dev_priv, ++ struct psb_scheduler *scheduler) ++{ ++ DRM_ERROR("TA hw scene freed.\n"); ++} ++ ++static void psb_vistest_reply(struct drm_psb_private *dev_priv, ++ struct psb_scheduler *scheduler) ++{ ++ struct psb_task *task = scheduler->feedback_task; ++ uint8_t *feedback_map; ++ uint32_t add; ++ uint32_t cur; ++ struct drm_psb_vistest *vistest; ++ int i; ++ ++ scheduler->feedback_task = NULL; ++ if (!task) { ++ DRM_ERROR("No Poulsbo feedback task.\n"); ++ return; ++ } ++ if (!task->feedback.page) { ++ DRM_ERROR("No Poulsbo feedback page.\n"); ++ goto out; ++ } ++ ++ if (in_irq()) ++ feedback_map = kmap_atomic(task->feedback.page, KM_IRQ0); ++ else ++ feedback_map = kmap_atomic(task->feedback.page, KM_USER0); ++ ++ /* ++ * Loop over all requested vistest components here. ++ * Only one (vistest) currently. ++ */ ++ ++ vistest = (struct drm_psb_vistest *) ++ (feedback_map + task->feedback.offset); ++ ++ for (i = 0; i < PSB_HW_FEEDBACK_SIZE; ++i) { ++ add = task->buf.arg.arg.feedback[i]; ++ cur = vistest->vt[i]; ++ ++ /* ++ * Vistest saturates. ++ */ ++ ++ vistest->vt[i] = (cur + add < cur) ? ~0 : cur + add; ++ } ++ if (in_irq()) ++ kunmap_atomic(feedback_map, KM_IRQ0); ++ else ++ kunmap_atomic(feedback_map, KM_USER0); ++ out: ++ psb_report_fence(scheduler, task->engine, task->sequence, ++ _PSB_FENCE_FEEDBACK_SHIFT, 1); ++ ++ if (list_empty(&task->head)) { ++ list_add_tail(&task->head, &scheduler->task_done_queue); ++ schedule_delayed_work(&scheduler->wq, 1); ++ } else ++ psb_schedule_ta(dev_priv, scheduler); ++} ++ ++static void psb_ta_fire_reply(struct drm_psb_private *dev_priv, ++ struct psb_scheduler *scheduler) ++{ ++ struct psb_task *task = scheduler->current_task[PSB_SCENE_ENGINE_TA]; ++ ++ psb_xhw_fire_reply(dev_priv, &task->buf, task->scene->hw_cookie); ++ ++ psb_dispatch_ta(dev_priv, scheduler, PSB_RF_FIRE_TA); ++} ++ ++static void psb_raster_fire_reply(struct drm_psb_private *dev_priv, ++ struct psb_scheduler *scheduler) ++{ ++ struct psb_task *task = ++ scheduler->current_task[PSB_SCENE_ENGINE_RASTER]; ++ uint32_t reply_flags; ++ ++ if (!task) { ++ DRM_ERROR("Null task.\n"); ++ return; ++ } ++ ++ task->raster_complete_action = task->buf.arg.arg.sb.rca; ++ psb_xhw_fire_reply(dev_priv, &task->buf, task->scene->hw_cookie); ++ ++ reply_flags = PSB_RF_FIRE_RASTER; ++ if (task->raster_complete_action == PSB_RASTER) ++ reply_flags |= PSB_RF_DEALLOC; ++ ++ psb_dispatch_raster(dev_priv, scheduler, reply_flags); ++} ++ ++static int psb_user_interrupt(struct drm_psb_private *dev_priv, ++ struct psb_scheduler *scheduler) ++{ ++ uint32_t type; ++ int ret; ++ unsigned long irq_flags; ++ ++ /* ++ * Xhw cannot write directly to the comm page, so ++ * do it here. Firmware would have written directly. ++ */ ++ ++ ret = psb_xhw_handler(dev_priv); ++ if (unlikely(ret)) ++ return ret; ++ ++ spin_lock_irqsave(&dev_priv->xhw_lock, irq_flags); ++ type = dev_priv->comm[PSB_COMM_USER_IRQ]; ++ dev_priv->comm[PSB_COMM_USER_IRQ] = 0; ++ if (dev_priv->comm[PSB_COMM_USER_IRQ_LOST]) { ++ dev_priv->comm[PSB_COMM_USER_IRQ_LOST] = 0; ++ DRM_ERROR("Lost Poulsbo hardware event.\n"); ++ } ++ spin_unlock_irqrestore(&dev_priv->xhw_lock, irq_flags); ++ ++ if (type == 0) ++ return 0; ++ ++ switch (type) { ++ case PSB_UIRQ_VISTEST: ++ psb_vistest_reply(dev_priv, scheduler); ++ break; ++ case PSB_UIRQ_OOM_REPLY: ++ psb_ta_oom_reply(dev_priv, scheduler); ++ break; ++ case PSB_UIRQ_FIRE_TA_REPLY: ++ psb_ta_fire_reply(dev_priv, scheduler); ++ break; ++ case PSB_UIRQ_FIRE_RASTER_REPLY: ++ psb_raster_fire_reply(dev_priv, scheduler); ++ break; ++ default: ++ DRM_ERROR("Unknown Poulsbo hardware event. %d\n", type); ++ } ++ return 0; ++} ++ ++int psb_forced_user_interrupt(struct drm_psb_private *dev_priv) ++{ ++ struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ unsigned long irq_flags; ++ int ret; ++ ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ ret = psb_user_interrupt(dev_priv, scheduler); ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++ return ret; ++} ++ ++static void psb_dispatch_ta(struct drm_psb_private *dev_priv, ++ struct psb_scheduler *scheduler, ++ uint32_t reply_flag) ++{ ++ struct psb_task *task = scheduler->current_task[PSB_SCENE_ENGINE_TA]; ++ uint32_t flags; ++ uint32_t mask; ++ ++ task->reply_flags |= reply_flag; ++ flags = task->reply_flags; ++ mask = PSB_RF_FIRE_TA; ++ ++ if (!(flags & mask)) ++ return; ++ ++ mask = PSB_RF_TA_DONE; ++ if ((flags & mask) == mask) { ++ task->reply_flags &= ~mask; ++ psb_ta_done(dev_priv, scheduler); ++ } ++ ++ mask = PSB_RF_OOM; ++ if ((flags & mask) == mask) { ++ task->reply_flags &= ~mask; ++ psb_ta_oom(dev_priv, scheduler); ++ } ++ ++ mask = (PSB_RF_OOM_REPLY | PSB_RF_TERMINATE); ++ if ((flags & mask) == mask) { ++ task->reply_flags &= ~mask; ++ psb_ta_done(dev_priv, scheduler); ++ } ++} ++ ++static void psb_dispatch_raster(struct drm_psb_private *dev_priv, ++ struct psb_scheduler *scheduler, ++ uint32_t reply_flag) ++{ ++ struct psb_task *task = ++ scheduler->current_task[PSB_SCENE_ENGINE_RASTER]; ++ uint32_t flags; ++ uint32_t mask; ++ ++ task->reply_flags |= reply_flag; ++ flags = task->reply_flags; ++ mask = PSB_RF_FIRE_RASTER; ++ ++ if (!(flags & mask)) ++ return; ++ ++ /* ++ * For rasterizer-only tasks, don't report fence done here, ++ * as this is time consuming and the rasterizer wants a new ++ * task immediately. For other tasks, the hardware is probably ++ * still busy deallocating TA memory, so we can report ++ * fence done in parallel. ++ */ ++ ++ if (task->raster_complete_action == PSB_RETURN && ++ (reply_flag & PSB_RF_RASTER_DONE) && task->scene != NULL) { ++ psb_report_fence(scheduler, task->engine, task->sequence, ++ _PSB_FENCE_RASTER_DONE_SHIFT, 1); ++ } ++ ++ mask = PSB_RF_RASTER_DONE | PSB_RF_DEALLOC; ++ if ((flags & mask) == mask) { ++ task->reply_flags &= ~mask; ++ psb_raster_done(dev_priv, scheduler); ++ } ++} ++ ++void psb_scheduler_handler(struct drm_psb_private *dev_priv, uint32_t status) ++{ ++ struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ ++ spin_lock(&scheduler->lock); ++ ++ if (status & _PSB_CE_PIXELBE_END_RENDER) { ++ psb_dispatch_raster(dev_priv, scheduler, PSB_RF_RASTER_DONE); ++ } ++ if (status & _PSB_CE_DPM_3D_MEM_FREE) { ++ psb_dispatch_raster(dev_priv, scheduler, PSB_RF_DEALLOC); ++ } ++ if (status & _PSB_CE_TA_FINISHED) { ++ psb_dispatch_ta(dev_priv, scheduler, PSB_RF_TA_DONE); ++ } ++ if (status & _PSB_CE_TA_TERMINATE) { ++ psb_dispatch_ta(dev_priv, scheduler, PSB_RF_TERMINATE); ++ } ++ if (status & (_PSB_CE_DPM_REACHED_MEM_THRESH | ++ _PSB_CE_DPM_OUT_OF_MEMORY_GBL | ++ _PSB_CE_DPM_OUT_OF_MEMORY_MT)) { ++ psb_dispatch_ta(dev_priv, scheduler, PSB_RF_OOM); ++ } ++ if (status & _PSB_CE_DPM_TA_MEM_FREE) { ++ psb_ta_hw_scene_freed(dev_priv, scheduler); ++ } ++ if (status & _PSB_CE_SW_EVENT) { ++ psb_user_interrupt(dev_priv, scheduler); ++ } ++ spin_unlock(&scheduler->lock); ++} ++ ++static void psb_free_task_wq(struct work_struct *work) ++{ ++ struct psb_scheduler *scheduler = ++ container_of(work, struct psb_scheduler, wq.work); ++ ++ struct drm_device *dev = scheduler->dev; ++ struct list_head *list, *next; ++ unsigned long irq_flags; ++ struct psb_task *task; ++ ++ if (!mutex_trylock(&scheduler->task_wq_mutex)) ++ return; ++ ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ list_for_each_safe(list, next, &scheduler->task_done_queue) { ++ task = list_entry(list, struct psb_task, head); ++ list_del_init(list); ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++ ++ PSB_DEBUG_RENDER("Checking Task %d: Scene 0x%08lx, " ++ "Feedback bo 0x%08lx, done %d\n", ++ task->sequence, (unsigned long)task->scene, ++ (unsigned long)task->feedback.bo, ++ atomic_read(&task->buf.done)); ++ ++ if (task->scene) { ++ mutex_lock(&dev->struct_mutex); ++ PSB_DEBUG_RENDER("Unref scene %d\n", task->sequence); ++ psb_scene_unref_devlocked(&task->scene); ++ if (task->feedback.bo) { ++ PSB_DEBUG_RENDER("Unref feedback bo %d\n", ++ task->sequence); ++ drm_bo_usage_deref_locked(&task->feedback.bo); ++ } ++ mutex_unlock(&dev->struct_mutex); ++ } ++ ++ if (atomic_read(&task->buf.done)) { ++ PSB_DEBUG_RENDER("Deleting task %d\n", task->sequence); ++ drm_free(task, sizeof(*task), DRM_MEM_DRIVER); ++ task = NULL; ++ } ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ if (task != NULL) ++ list_add(list, &scheduler->task_done_queue); ++ } ++ if (!list_empty(&scheduler->task_done_queue)) { ++ PSB_DEBUG_RENDER("Rescheduling wq\n"); ++ schedule_delayed_work(&scheduler->wq, 1); ++ } ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++ ++ mutex_unlock(&scheduler->task_wq_mutex); ++} ++ ++/* ++ * Check if any of the tasks in the queues is using a scene. ++ * In that case we know the TA memory buffer objects are ++ * fenced and will not be evicted until that fence is signaled. ++ */ ++ ++void psb_scheduler_ta_mem_check(struct drm_psb_private *dev_priv) ++{ ++ struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ unsigned long irq_flags; ++ struct psb_task *task; ++ struct psb_task *next_task; ++ ++ dev_priv->force_ta_mem_load = 1; ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ list_for_each_entry_safe(task, next_task, &scheduler->ta_queue, head) { ++ if (task->scene) { ++ dev_priv->force_ta_mem_load = 0; ++ break; ++ } ++ } ++ list_for_each_entry_safe(task, next_task, &scheduler->raster_queue, ++ head) { ++ if (task->scene) { ++ dev_priv->force_ta_mem_load = 0; ++ break; ++ } ++ } ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++} ++ ++void psb_scheduler_reset(struct drm_psb_private *dev_priv, int error_condition) ++{ ++ struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ unsigned long wait_jiffies; ++ unsigned long cur_jiffies; ++ struct psb_task *task; ++ struct psb_task *next_task; ++ unsigned long irq_flags; ++ ++ psb_scheduler_pause(dev_priv); ++ if (!psb_scheduler_idle(dev_priv)) { ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ ++ cur_jiffies = jiffies; ++ wait_jiffies = cur_jiffies; ++ if (scheduler->current_task[PSB_SCENE_ENGINE_TA] && ++ time_after_eq(scheduler->ta_end_jiffies, wait_jiffies)) ++ wait_jiffies = scheduler->ta_end_jiffies; ++ if (scheduler->current_task[PSB_SCENE_ENGINE_RASTER] && ++ time_after_eq(scheduler->raster_end_jiffies, wait_jiffies)) ++ wait_jiffies = scheduler->raster_end_jiffies; ++ ++ wait_jiffies -= cur_jiffies; ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++ ++ (void)wait_event_timeout(scheduler->idle_queue, ++ psb_scheduler_idle(dev_priv), ++ wait_jiffies); ++ } ++ ++ if (!psb_scheduler_idle(dev_priv)) { ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ task = scheduler->current_task[PSB_SCENE_ENGINE_RASTER]; ++ if (task) { ++ DRM_ERROR("Detected Poulsbo rasterizer lockup.\n"); ++ if (task->engine == PSB_ENGINE_HPRAST) { ++ psb_fence_error(scheduler->dev, ++ PSB_ENGINE_HPRAST, ++ task->sequence, ++ _PSB_FENCE_TYPE_RASTER_DONE, ++ error_condition); ++ ++ list_del(&task->head); ++ psb_xhw_clean_buf(dev_priv, &task->buf); ++ list_add_tail(&task->head, ++ &scheduler->task_done_queue); ++ } else { ++ list_add(&task->head, &scheduler->raster_queue); ++ } ++ } ++ scheduler->current_task[PSB_SCENE_ENGINE_RASTER] = NULL; ++ task = scheduler->current_task[PSB_SCENE_ENGINE_TA]; ++ if (task) { ++ DRM_ERROR("Detected Poulsbo ta lockup.\n"); ++ list_add_tail(&task->head, &scheduler->raster_queue); ++#ifdef FIX_TG_16 ++ psb_2d_atomic_unlock(dev_priv); ++#endif ++ } ++ scheduler->current_task[PSB_SCENE_ENGINE_TA] = NULL; ++ scheduler->ta_state = 0; ++ ++#ifdef FIX_TG_16 ++ atomic_set(&dev_priv->ta_wait_2d, 0); ++ atomic_set(&dev_priv->ta_wait_2d_irq, 0); ++ wake_up(&dev_priv->queue_2d); ++#endif ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++ } ++ ++ /* ++ * Empty raster queue. ++ */ ++ ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ list_for_each_entry_safe(task, next_task, &scheduler->raster_queue, ++ head) { ++ struct psb_scene *scene = task->scene; ++ ++ psb_fence_error(scheduler->dev, ++ task->engine, ++ task->sequence, ++ _PSB_FENCE_TYPE_TA_DONE | ++ _PSB_FENCE_TYPE_RASTER_DONE | ++ _PSB_FENCE_TYPE_SCENE_DONE | ++ _PSB_FENCE_TYPE_FEEDBACK, error_condition); ++ if (scene) { ++ scene->flags = 0; ++ if (scene->hw_scene) { ++ list_add_tail(&scene->hw_scene->head, ++ &scheduler->hw_scenes); ++ scene->hw_scene = NULL; ++ } ++ } ++ ++ psb_xhw_clean_buf(dev_priv, &task->buf); ++ list_del(&task->head); ++ list_add_tail(&task->head, &scheduler->task_done_queue); ++ } ++ ++ schedule_delayed_work(&scheduler->wq, 1); ++ scheduler->idle = 1; ++ wake_up(&scheduler->idle_queue); ++ ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++ psb_scheduler_restart(dev_priv); ++ ++} ++ ++int psb_scheduler_init(struct drm_device *dev, struct psb_scheduler *scheduler) ++{ ++ struct psb_hw_scene *hw_scene; ++ int i; ++ ++ memset(scheduler, 0, sizeof(*scheduler)); ++ scheduler->dev = dev; ++ mutex_init(&scheduler->task_wq_mutex); ++ scheduler->lock = SPIN_LOCK_UNLOCKED; ++ scheduler->idle = 1; ++ ++ INIT_LIST_HEAD(&scheduler->ta_queue); ++ INIT_LIST_HEAD(&scheduler->raster_queue); ++ INIT_LIST_HEAD(&scheduler->hp_raster_queue); ++ INIT_LIST_HEAD(&scheduler->hw_scenes); ++ INIT_LIST_HEAD(&scheduler->task_done_queue); ++ INIT_DELAYED_WORK(&scheduler->wq, &psb_free_task_wq); ++ init_waitqueue_head(&scheduler->idle_queue); ++ ++ for (i = 0; i < PSB_NUM_HW_SCENES; ++i) { ++ hw_scene = &scheduler->hs[i]; ++ hw_scene->context_number = i; ++ list_add_tail(&hw_scene->head, &scheduler->hw_scenes); ++ } ++ ++ for (i = 0; i < _PSB_ENGINE_TA_FENCE_TYPES; ++i) { ++ scheduler->seq[i].reported = 0; ++ } ++ ++ return 0; ++} ++ ++/* ++ * Scene references maintained by the scheduler are not refcounted. ++ * Remove all references to a particular scene here. ++ */ ++ ++void psb_scheduler_remove_scene_refs(struct psb_scene *scene) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)scene->dev->dev_private; ++ struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ struct psb_hw_scene *hw_scene; ++ unsigned long irq_flags; ++ unsigned int i; ++ ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ for (i = 0; i < PSB_NUM_HW_SCENES; ++i) { ++ hw_scene = &scheduler->hs[i]; ++ if (hw_scene->last_scene == scene) { ++ BUG_ON(list_empty(&hw_scene->head)); ++ hw_scene->last_scene = NULL; ++ } ++ } ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++} ++ ++void psb_scheduler_takedown(struct psb_scheduler *scheduler) ++{ ++ flush_scheduled_work(); ++} ++ ++static int psb_setup_task_devlocked(struct drm_device *dev, ++ struct drm_psb_cmdbuf_arg *arg, ++ struct drm_buffer_object *raster_cmd_buffer, ++ struct drm_buffer_object *ta_cmd_buffer, ++ struct drm_buffer_object *oom_cmd_buffer, ++ struct psb_scene *scene, ++ enum psb_task_type task_type, ++ uint32_t engine, ++ uint32_t flags, struct psb_task **task_p) ++{ ++ struct psb_task *task; ++ int ret; ++ ++ if (ta_cmd_buffer && arg->ta_size > PSB_MAX_TA_CMDS) { ++ DRM_ERROR("Too many ta cmds %d.\n", arg->ta_size); ++ return -EINVAL; ++ } ++ if (raster_cmd_buffer && arg->cmdbuf_size > PSB_MAX_RASTER_CMDS) { ++ DRM_ERROR("Too many raster cmds %d.\n", arg->cmdbuf_size); ++ return -EINVAL; ++ } ++ if (oom_cmd_buffer && arg->oom_size > PSB_MAX_OOM_CMDS) { ++ DRM_ERROR("Too many raster cmds %d.\n", arg->oom_size); ++ return -EINVAL; ++ } ++ ++ task = drm_calloc(1, sizeof(*task), DRM_MEM_DRIVER); ++ if (!task) ++ return -ENOMEM; ++ ++ atomic_set(&task->buf.done, 1); ++ task->engine = engine; ++ INIT_LIST_HEAD(&task->head); ++ INIT_LIST_HEAD(&task->buf.head); ++ if (ta_cmd_buffer && arg->ta_size != 0) { ++ task->ta_cmd_size = arg->ta_size; ++ ret = psb_submit_copy_cmdbuf(dev, ta_cmd_buffer, ++ arg->ta_offset, ++ arg->ta_size, ++ PSB_ENGINE_TA, task->ta_cmds); ++ if (ret) ++ goto out_err; ++ } ++ if (raster_cmd_buffer) { ++ task->raster_cmd_size = arg->cmdbuf_size; ++ ret = psb_submit_copy_cmdbuf(dev, raster_cmd_buffer, ++ arg->cmdbuf_offset, ++ arg->cmdbuf_size, ++ PSB_ENGINE_TA, task->raster_cmds); ++ if (ret) ++ goto out_err; ++ } ++ if (oom_cmd_buffer && arg->oom_size != 0) { ++ task->oom_cmd_size = arg->oom_size; ++ ret = psb_submit_copy_cmdbuf(dev, oom_cmd_buffer, ++ arg->oom_offset, ++ arg->oom_size, ++ PSB_ENGINE_TA, task->oom_cmds); ++ if (ret) ++ goto out_err; ++ } ++ task->task_type = task_type; ++ task->flags = flags; ++ if (scene) ++ task->scene = psb_scene_ref(scene); ++ ++ *task_p = task; ++ return 0; ++ out_err: ++ drm_free(task, sizeof(*task), DRM_MEM_DRIVER); ++ *task_p = NULL; ++ return ret; ++} ++ ++int psb_cmdbuf_ta(struct drm_file *priv, ++ struct drm_psb_cmdbuf_arg *arg, ++ struct drm_buffer_object *cmd_buffer, ++ struct drm_buffer_object *ta_buffer, ++ struct drm_buffer_object *oom_buffer, ++ struct psb_scene *scene, ++ struct psb_feedback_info *feedback, ++ struct drm_fence_arg *fence_arg) ++{ ++ struct drm_device *dev = priv->minor->dev; ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ struct drm_fence_object *fence = NULL; ++ struct psb_task *task = NULL; ++ int ret; ++ struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ unsigned long irq_flags; ++ ++ PSB_DEBUG_RENDER("Cmdbuf ta\n"); ++ ++ ret = mutex_lock_interruptible(&dev_priv->reset_mutex); ++ if (ret) ++ return -EAGAIN; ++ ++ mutex_lock(&dev->struct_mutex); ++ ret = psb_setup_task_devlocked(dev, arg, cmd_buffer, ta_buffer, ++ oom_buffer, scene, ++ psb_ta_task, PSB_ENGINE_TA, ++ PSB_FIRE_FLAG_RASTER_DEALLOC, &task); ++ mutex_unlock(&dev->struct_mutex); ++ ++ if (ret) ++ goto out_err; ++ ++ task->feedback = *feedback; ++ ++ /* ++ * Hand the task over to the scheduler. ++ */ ++ ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ task->sequence = psb_fence_advance_sequence(dev, PSB_ENGINE_TA); ++ ++ psb_report_fence(scheduler, PSB_ENGINE_TA, task->sequence, 0, 1); ++ ++ task->ta_complete_action = PSB_RASTER; ++ task->raster_complete_action = PSB_RETURN; ++ ++ list_add_tail(&task->head, &scheduler->ta_queue); ++ PSB_DEBUG_RENDER("queued ta %u\n", task->sequence); ++ ++ psb_schedule_ta(dev_priv, scheduler); ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++ ++ psb_fence_or_sync(priv, PSB_ENGINE_TA, arg, fence_arg, &fence); ++ drm_regs_fence(&dev_priv->use_manager, fence); ++ if (fence) ++ fence_arg->signaled |= 0x1; ++ ++ out_err: ++ if (ret && ret != -EAGAIN) ++ DRM_ERROR("TA task queue job failed.\n"); ++ ++ if (fence) { ++#ifdef PSB_WAIT_FOR_TA_COMPLETION ++ drm_fence_object_wait(fence, 1, 1, DRM_FENCE_TYPE_EXE | ++ _PSB_FENCE_TYPE_TA_DONE); ++#ifdef PSB_BE_PARANOID ++ drm_fence_object_wait(fence, 1, 1, DRM_FENCE_TYPE_EXE | ++ _PSB_FENCE_TYPE_SCENE_DONE); ++#endif ++#endif ++ drm_fence_usage_deref_unlocked(&fence); ++ } ++ mutex_unlock(&dev_priv->reset_mutex); ++ ++ return ret; ++} ++ ++int psb_cmdbuf_raster(struct drm_file *priv, ++ struct drm_psb_cmdbuf_arg *arg, ++ struct drm_buffer_object *cmd_buffer, ++ struct drm_fence_arg *fence_arg) ++{ ++ struct drm_device *dev = priv->minor->dev; ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ struct drm_fence_object *fence = NULL; ++ struct psb_task *task = NULL; ++ int ret; ++ struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ unsigned long irq_flags; ++ ++ PSB_DEBUG_RENDER("Cmdbuf Raster\n"); ++ ++ ret = mutex_lock_interruptible(&dev_priv->reset_mutex); ++ if (ret) ++ return -EAGAIN; ++ ++ mutex_lock(&dev->struct_mutex); ++ ret = psb_setup_task_devlocked(dev, arg, cmd_buffer, NULL, NULL, ++ NULL, psb_raster_task, ++ PSB_ENGINE_TA, 0, &task); ++ mutex_unlock(&dev->struct_mutex); ++ ++ if (ret) ++ goto out_err; ++ ++ /* ++ * Hand the task over to the scheduler. ++ */ ++ ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ task->sequence = psb_fence_advance_sequence(dev, PSB_ENGINE_TA); ++ psb_report_fence(scheduler, PSB_ENGINE_TA, task->sequence, 0, 1); ++ task->ta_complete_action = PSB_RASTER; ++ task->raster_complete_action = PSB_RETURN; ++ ++ list_add_tail(&task->head, &scheduler->ta_queue); ++ PSB_DEBUG_RENDER("queued raster %u\n", task->sequence); ++ psb_schedule_ta(dev_priv, scheduler); ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++ ++ psb_fence_or_sync(priv, PSB_ENGINE_TA, arg, fence_arg, &fence); ++ drm_regs_fence(&dev_priv->use_manager, fence); ++ if (fence) ++ fence_arg->signaled |= 0x1; ++ out_err: ++ if (ret && ret != -EAGAIN) ++ DRM_ERROR("Raster task queue job failed.\n"); ++ ++ if (fence) { ++#ifdef PSB_WAIT_FOR_RASTER_COMPLETION ++ drm_fence_object_wait(fence, 1, 1, fence->type); ++#endif ++ drm_fence_usage_deref_unlocked(&fence); ++ } ++ ++ mutex_unlock(&dev_priv->reset_mutex); ++ ++ return ret; ++} ++ ++#ifdef FIX_TG_16 ++ ++static int psb_check_2d_idle(struct drm_psb_private *dev_priv) ++{ ++ if (psb_2d_trylock(dev_priv)) { ++ if ((PSB_RSGX32(PSB_CR_2D_SOCIF) == _PSB_C2_SOCIF_EMPTY) && ++ !((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) & ++ _PSB_C2B_STATUS_BUSY))) { ++ return 0; ++ } ++ if (atomic_cmpxchg(&dev_priv->ta_wait_2d_irq, 0, 1) == 0) ++ psb_2D_irq_on(dev_priv); ++ ++ PSB_WSGX32(PSB_2D_FENCE_BH, PSB_SGX_2D_SLAVE_PORT); ++ PSB_WSGX32(PSB_2D_FLUSH_BH, PSB_SGX_2D_SLAVE_PORT); ++ (void)PSB_RSGX32(PSB_SGX_2D_SLAVE_PORT); ++ ++ psb_2d_atomic_unlock(dev_priv); ++ } ++ ++ atomic_set(&dev_priv->ta_wait_2d, 1); ++ return -EBUSY; ++} ++ ++static void psb_atomic_resume_ta_2d_idle(struct drm_psb_private *dev_priv) ++{ ++ struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ ++ if (atomic_cmpxchg(&dev_priv->ta_wait_2d, 1, 0) == 1) { ++ psb_schedule_ta(dev_priv, scheduler); ++ if (atomic_read(&dev_priv->waiters_2d) != 0) ++ wake_up(&dev_priv->queue_2d); ++ } ++} ++ ++void psb_resume_ta_2d_idle(struct drm_psb_private *dev_priv) ++{ ++ struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ unsigned long irq_flags; ++ ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ if (atomic_cmpxchg(&dev_priv->ta_wait_2d_irq, 1, 0) == 1) { ++ atomic_set(&dev_priv->ta_wait_2d, 0); ++ psb_2D_irq_off(dev_priv); ++ psb_schedule_ta(dev_priv, scheduler); ++ if (atomic_read(&dev_priv->waiters_2d) != 0) ++ wake_up(&dev_priv->queue_2d); ++ } ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++} ++ ++/* ++ * 2D locking functions. Can't use a mutex since the trylock() and ++ * unlock() methods need to be accessible from interrupt context. ++ */ ++ ++static int psb_2d_trylock(struct drm_psb_private *dev_priv) ++{ ++ return (atomic_cmpxchg(&dev_priv->lock_2d, 0, 1) == 0); ++} ++ ++static void psb_2d_atomic_unlock(struct drm_psb_private *dev_priv) ++{ ++ atomic_set(&dev_priv->lock_2d, 0); ++ if (atomic_read(&dev_priv->waiters_2d) != 0) ++ wake_up(&dev_priv->queue_2d); ++} ++ ++void psb_2d_unlock(struct drm_psb_private *dev_priv) ++{ ++ struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ unsigned long irq_flags; ++ ++ spin_lock_irqsave(&scheduler->lock, irq_flags); ++ psb_2d_atomic_unlock(dev_priv); ++ if (atomic_read(&dev_priv->ta_wait_2d) != 0) ++ psb_atomic_resume_ta_2d_idle(dev_priv); ++ spin_unlock_irqrestore(&scheduler->lock, irq_flags); ++} ++ ++void psb_2d_lock(struct drm_psb_private *dev_priv) ++{ ++ atomic_inc(&dev_priv->waiters_2d); ++ wait_event(dev_priv->queue_2d, atomic_read(&dev_priv->ta_wait_2d) == 0); ++ wait_event(dev_priv->queue_2d, psb_2d_trylock(dev_priv)); ++ atomic_dec(&dev_priv->waiters_2d); ++} ++ ++#endif +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_schedule.h +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_schedule.h 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,170 @@ ++/************************************************************************** ++ * Copyright (c) 2007, Intel Corporation. ++ * All Rights Reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms and conditions of the GNU General Public License, ++ * version 2, as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ * ++ * You should have received a copy of the GNU General Public License along with ++ * this program; if not, write to the Free Software Foundation, Inc., ++ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to ++ * develop this driver. ++ * ++ **************************************************************************/ ++/* ++ * Authors: Thomas Hellstrom <thomas-at-tungstengraphics.com> ++ */ ++ ++#ifndef _PSB_SCHEDULE_H_ ++#define _PSB_SCHEDULE_H_ ++ ++#include "drmP.h" ++ ++enum psb_task_type { ++ psb_ta_midscene_task, ++ psb_ta_task, ++ psb_raster_task, ++ psb_freescene_task ++}; ++ ++#define PSB_MAX_TA_CMDS 60 ++#define PSB_MAX_RASTER_CMDS 60 ++#define PSB_MAX_OOM_CMDS 6 ++ ++struct psb_xhw_buf { ++ struct list_head head; ++ int copy_back; ++ atomic_t done; ++ struct drm_psb_xhw_arg arg; ++ ++}; ++ ++struct psb_feedback_info { ++ struct drm_buffer_object *bo; ++ struct page *page; ++ uint32_t offset; ++}; ++ ++struct psb_task { ++ struct list_head head; ++ struct psb_scene *scene; ++ struct psb_feedback_info feedback; ++ enum psb_task_type task_type; ++ uint32_t engine; ++ uint32_t sequence; ++ uint32_t ta_cmds[PSB_MAX_TA_CMDS]; ++ uint32_t raster_cmds[PSB_MAX_RASTER_CMDS]; ++ uint32_t oom_cmds[PSB_MAX_OOM_CMDS]; ++ uint32_t ta_cmd_size; ++ uint32_t raster_cmd_size; ++ uint32_t oom_cmd_size; ++ uint32_t feedback_offset; ++ uint32_t ta_complete_action; ++ uint32_t raster_complete_action; ++ uint32_t hw_cookie; ++ uint32_t flags; ++ uint32_t reply_flags; ++ uint32_t aborting; ++ struct psb_xhw_buf buf; ++}; ++ ++struct psb_hw_scene { ++ struct list_head head; ++ uint32_t context_number; ++ ++ /* ++ * This pointer does not refcount the last_scene_buffer, ++ * so we must make sure it is set to NULL before destroying ++ * the corresponding task. ++ */ ++ ++ struct psb_scene *last_scene; ++}; ++ ++struct psb_scene; ++struct drm_psb_private; ++ ++struct psb_scheduler_seq { ++ uint32_t sequence; ++ int reported; ++}; ++ ++struct psb_scheduler { ++ struct drm_device *dev; ++ struct psb_scheduler_seq seq[_PSB_ENGINE_TA_FENCE_TYPES]; ++ struct psb_hw_scene hs[PSB_NUM_HW_SCENES]; ++ struct mutex task_wq_mutex; ++ spinlock_t lock; ++ struct list_head hw_scenes; ++ struct list_head ta_queue; ++ struct list_head raster_queue; ++ struct list_head hp_raster_queue; ++ struct list_head task_done_queue; ++ struct psb_task *current_task[PSB_SCENE_NUM_ENGINES]; ++ struct psb_task *feedback_task; ++ int ta_state; ++ struct psb_hw_scene *pending_hw_scene; ++ uint32_t pending_hw_scene_seq; ++ struct delayed_work wq; ++ struct psb_scene_pool *pool; ++ uint32_t idle_count; ++ int idle; ++ wait_queue_head_t idle_queue; ++ unsigned long ta_end_jiffies; ++ unsigned long raster_end_jiffies; ++ unsigned long total_raster_jiffies; ++}; ++ ++#define PSB_RF_FIRE_TA (1 << 0) ++#define PSB_RF_OOM (1 << 1) ++#define PSB_RF_OOM_REPLY (1 << 2) ++#define PSB_RF_TERMINATE (1 << 3) ++#define PSB_RF_TA_DONE (1 << 4) ++#define PSB_RF_FIRE_RASTER (1 << 5) ++#define PSB_RF_RASTER_DONE (1 << 6) ++#define PSB_RF_DEALLOC (1 << 7) ++ ++extern struct psb_scene_pool *psb_alloc_scene_pool(struct drm_file *priv, ++ int shareable, uint32_t w, ++ uint32_t h); ++extern uint32_t psb_scene_handle(struct psb_scene *scene); ++extern int psb_scheduler_init(struct drm_device *dev, ++ struct psb_scheduler *scheduler); ++extern void psb_scheduler_takedown(struct psb_scheduler *scheduler); ++extern int psb_cmdbuf_ta(struct drm_file *priv, ++ struct drm_psb_cmdbuf_arg *arg, ++ struct drm_buffer_object *cmd_buffer, ++ struct drm_buffer_object *ta_buffer, ++ struct drm_buffer_object *oom_buffer, ++ struct psb_scene *scene, ++ struct psb_feedback_info *feedback, ++ struct drm_fence_arg *fence_arg); ++extern int psb_cmdbuf_raster(struct drm_file *priv, ++ struct drm_psb_cmdbuf_arg *arg, ++ struct drm_buffer_object *cmd_buffer, ++ struct drm_fence_arg *fence_arg); ++extern void psb_scheduler_handler(struct drm_psb_private *dev_priv, ++ uint32_t status); ++extern void psb_scheduler_pause(struct drm_psb_private *dev_priv); ++extern void psb_scheduler_restart(struct drm_psb_private *dev_priv); ++extern int psb_scheduler_idle(struct drm_psb_private *dev_priv); ++extern int psb_scheduler_finished(struct drm_psb_private *dev_priv); ++ ++extern void psb_scheduler_lockup(struct drm_psb_private *dev_priv, ++ int *lockup, int *idle); ++extern void psb_scheduler_reset(struct drm_psb_private *dev_priv, ++ int error_condition); ++extern int psb_forced_user_interrupt(struct drm_psb_private *dev_priv); ++extern void psb_scheduler_remove_scene_refs(struct psb_scene *scene); ++extern void psb_scheduler_ta_mem_check(struct drm_psb_private *dev_priv); ++extern int psb_extend_raster_timeout(struct drm_psb_private *dev_priv); ++ ++#endif +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_sgx.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_sgx.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,1422 @@ ++/************************************************************************** ++ * Copyright (c) 2007, Intel Corporation. ++ * All Rights Reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms and conditions of the GNU General Public License, ++ * version 2, as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ * ++ * You should have received a copy of the GNU General Public License along with ++ * this program; if not, write to the Free Software Foundation, Inc., ++ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to ++ * develop this driver. ++ * ++ **************************************************************************/ ++/* ++ */ ++ ++#include "drmP.h" ++#include "psb_drv.h" ++#include "psb_drm.h" ++#include "psb_reg.h" ++#include "psb_scene.h" ++ ++#include "psb_msvdx.h" ++ ++int psb_submit_video_cmdbuf(struct drm_device *dev, ++ struct drm_buffer_object *cmd_buffer, ++ unsigned long cmd_offset, unsigned long cmd_size, ++ struct drm_fence_object *fence); ++ ++struct psb_dstbuf_cache { ++ unsigned int dst; ++ uint32_t *use_page; ++ unsigned int use_index; ++ uint32_t use_background; ++ struct drm_buffer_object *dst_buf; ++ unsigned long dst_offset; ++ uint32_t *dst_page; ++ unsigned int dst_page_offset; ++ struct drm_bo_kmap_obj dst_kmap; ++ int dst_is_iomem; ++}; ++ ++struct psb_buflist_item { ++ struct drm_buffer_object *bo; ++ void __user *data; ++ int ret; ++ int presumed_offset_correct; ++}; ++ ++ ++#define PSB_REG_GRAN_SHIFT 2 ++#define PSB_REG_GRANULARITY (1 << PSB_REG_GRAN_SHIFT) ++#define PSB_MAX_REG 0x1000 ++ ++static const uint32_t disallowed_ranges[][2] = { ++ {0x0000, 0x0200}, ++ {0x0208, 0x0214}, ++ {0x021C, 0x0224}, ++ {0x0230, 0x0234}, ++ {0x0248, 0x024C}, ++ {0x0254, 0x0358}, ++ {0x0428, 0x0428}, ++ {0x0430, 0x043C}, ++ {0x0498, 0x04B4}, ++ {0x04CC, 0x04D8}, ++ {0x04E0, 0x07FC}, ++ {0x0804, 0x0A58}, ++ {0x0A68, 0x0A80}, ++ {0x0AA0, 0x0B1C}, ++ {0x0B2C, 0x0CAC}, ++ {0x0CB4, PSB_MAX_REG - PSB_REG_GRANULARITY} ++}; ++ ++static uint32_t psb_disallowed_regs[PSB_MAX_REG / ++ (PSB_REG_GRANULARITY * ++ (sizeof(uint32_t) << 3))]; ++ ++static inline int psb_disallowed(uint32_t reg) ++{ ++ reg >>= PSB_REG_GRAN_SHIFT; ++ return ((psb_disallowed_regs[reg >> 5] & (1 << (reg & 31))) != 0); ++} ++ ++void psb_init_disallowed(void) ++{ ++ int i; ++ uint32_t reg, tmp; ++ static int initialized = 0; ++ ++ if (initialized) ++ return; ++ ++ initialized = 1; ++ memset(psb_disallowed_regs, 0, sizeof(psb_disallowed_regs)); ++ ++ for (i = 0; i < (sizeof(disallowed_ranges) / (2 * sizeof(uint32_t))); ++ ++i) { ++ for (reg = disallowed_ranges[i][0]; ++ reg <= disallowed_ranges[i][1]; reg += 4) { ++ tmp = reg >> 2; ++ psb_disallowed_regs[tmp >> 5] |= (1 << (tmp & 31)); ++ } ++ } ++} ++ ++static int psb_memcpy_check(uint32_t * dst, const uint32_t * src, uint32_t size) ++{ ++ size >>= 3; ++ while (size--) { ++ if (unlikely((*src >= 0x1000) || psb_disallowed(*src))) { ++ DRM_ERROR("Forbidden SGX register access: " ++ "0x%04x.\n", *src); ++ return -EPERM; ++ } ++ *dst++ = *src++; ++ *dst++ = *src++; ++ } ++ return 0; ++} ++ ++static int psb_2d_wait_available(struct drm_psb_private *dev_priv, ++ unsigned size) ++{ ++ uint32_t avail = PSB_RSGX32(PSB_CR_2D_SOCIF); ++ int ret = 0; ++ ++ retry: ++ if (avail < size) { ++#if 0 ++ /* We'd ideally ++ * like to have an IRQ-driven event here. ++ */ ++ ++ psb_2D_irq_on(dev_priv); ++ DRM_WAIT_ON(ret, dev_priv->event_2d_queue, DRM_HZ, ++ ((avail = PSB_RSGX32(PSB_CR_2D_SOCIF)) >= size)); ++ psb_2D_irq_off(dev_priv); ++ if (ret == 0) ++ return 0; ++ if (ret == -EINTR) { ++ ret = 0; ++ goto retry; ++ } ++#else ++ avail = PSB_RSGX32(PSB_CR_2D_SOCIF); ++ goto retry; ++#endif ++ } ++ return ret; ++} ++ ++int psb_2d_submit(struct drm_psb_private *dev_priv, uint32_t * cmdbuf, ++ unsigned size) ++{ ++ int ret = 0; ++ int i; ++ unsigned submit_size; ++ ++ while (size > 0) { ++ submit_size = (size < 0x60) ? size : 0x60; ++ size -= submit_size; ++ ret = psb_2d_wait_available(dev_priv, submit_size); ++ if (ret) ++ return ret; ++ ++ submit_size <<= 2; ++ ++ for (i = 0; i < submit_size; i += 4) { ++ PSB_WSGX32(*cmdbuf++, PSB_SGX_2D_SLAVE_PORT + i); ++ } ++ (void)PSB_RSGX32(PSB_SGX_2D_SLAVE_PORT + i - 4); ++ } ++ return 0; ++} ++ ++int psb_blit_sequence(struct drm_psb_private *dev_priv, uint32_t sequence) ++{ ++ uint32_t buffer[8]; ++ uint32_t *bufp = buffer; ++ int ret; ++ ++ *bufp++ = PSB_2D_FENCE_BH; ++ ++ *bufp++ = PSB_2D_DST_SURF_BH | ++ PSB_2D_DST_8888ARGB | (4 << PSB_2D_DST_STRIDE_SHIFT); ++ *bufp++ = dev_priv->comm_mmu_offset - dev_priv->mmu_2d_offset; ++ ++ *bufp++ = PSB_2D_BLIT_BH | ++ PSB_2D_ROT_NONE | ++ PSB_2D_COPYORDER_TL2BR | ++ PSB_2D_DSTCK_DISABLE | ++ PSB_2D_SRCCK_DISABLE | PSB_2D_USE_FILL | PSB_2D_ROP3_PATCOPY; ++ ++ *bufp++ = sequence << PSB_2D_FILLCOLOUR_SHIFT; ++ *bufp++ = (0 << PSB_2D_DST_XSTART_SHIFT) | ++ (0 << PSB_2D_DST_YSTART_SHIFT); ++ *bufp++ = (1 << PSB_2D_DST_XSIZE_SHIFT) | (1 << PSB_2D_DST_YSIZE_SHIFT); ++ ++ *bufp++ = PSB_2D_FLUSH_BH; ++ ++ psb_2d_lock(dev_priv); ++ ret = psb_2d_submit(dev_priv, buffer, bufp - buffer); ++ psb_2d_unlock(dev_priv); ++ ++ if (!ret) ++ psb_schedule_watchdog(dev_priv); ++ return ret; ++} ++ ++int psb_emit_2d_copy_blit(struct drm_device *dev, ++ uint32_t src_offset, ++ uint32_t dst_offset, uint32_t pages, int direction) ++{ ++ uint32_t cur_pages; ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ uint32_t buf[10]; ++ uint32_t *bufp; ++ uint32_t xstart; ++ uint32_t ystart; ++ uint32_t blit_cmd; ++ uint32_t pg_add; ++ int ret = 0; ++ ++ if (!dev_priv) ++ return 0; ++ ++ if (direction) { ++ pg_add = (pages - 1) << PAGE_SHIFT; ++ src_offset += pg_add; ++ dst_offset += pg_add; ++ } ++ ++ blit_cmd = PSB_2D_BLIT_BH | ++ PSB_2D_ROT_NONE | ++ PSB_2D_DSTCK_DISABLE | ++ PSB_2D_SRCCK_DISABLE | ++ PSB_2D_USE_PAT | ++ PSB_2D_ROP3_SRCCOPY | ++ (direction ? PSB_2D_COPYORDER_BR2TL : PSB_2D_COPYORDER_TL2BR); ++ xstart = (direction) ? ((PAGE_SIZE - 1) >> 2) : 0; ++ ++ psb_2d_lock(dev_priv); ++ while (pages > 0) { ++ cur_pages = pages; ++ if (cur_pages > 2048) ++ cur_pages = 2048; ++ pages -= cur_pages; ++ ystart = (direction) ? cur_pages - 1 : 0; ++ ++ bufp = buf; ++ *bufp++ = PSB_2D_FENCE_BH; ++ ++ *bufp++ = PSB_2D_DST_SURF_BH | PSB_2D_DST_8888ARGB | ++ (PAGE_SIZE << PSB_2D_DST_STRIDE_SHIFT); ++ *bufp++ = dst_offset; ++ *bufp++ = PSB_2D_SRC_SURF_BH | PSB_2D_SRC_8888ARGB | ++ (PAGE_SIZE << PSB_2D_SRC_STRIDE_SHIFT); ++ *bufp++ = src_offset; ++ *bufp++ = ++ PSB_2D_SRC_OFF_BH | (xstart << PSB_2D_SRCOFF_XSTART_SHIFT) | ++ (ystart << PSB_2D_SRCOFF_YSTART_SHIFT); ++ *bufp++ = blit_cmd; ++ *bufp++ = (xstart << PSB_2D_DST_XSTART_SHIFT) | ++ (ystart << PSB_2D_DST_YSTART_SHIFT); ++ *bufp++ = ((PAGE_SIZE >> 2) << PSB_2D_DST_XSIZE_SHIFT) | ++ (cur_pages << PSB_2D_DST_YSIZE_SHIFT); ++ ++ ret = psb_2d_submit(dev_priv, buf, bufp - buf); ++ if (ret) ++ goto out; ++ pg_add = (cur_pages << PAGE_SHIFT) * ((direction) ? -1 : 1); ++ src_offset += pg_add; ++ dst_offset += pg_add; ++ } ++ out: ++ psb_2d_unlock(dev_priv); ++ return ret; ++} ++ ++void psb_init_2d(struct drm_psb_private *dev_priv) ++{ ++ dev_priv->sequence_lock = SPIN_LOCK_UNLOCKED; ++ psb_reset(dev_priv, 1); ++ dev_priv->mmu_2d_offset = dev_priv->pg->gatt_start; ++ PSB_WSGX32(dev_priv->mmu_2d_offset, PSB_CR_BIF_TWOD_REQ_BASE); ++ (void)PSB_RSGX32(PSB_CR_BIF_TWOD_REQ_BASE); ++} ++ ++int psb_idle_2d(struct drm_device *dev) ++{ ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ unsigned long _end = jiffies + DRM_HZ; ++ int busy = 0; ++ ++ /* ++ * First idle the 2D engine. ++ */ ++ ++ if (dev_priv->engine_lockup_2d) ++ return -EBUSY; ++ ++ if ((PSB_RSGX32(PSB_CR_2D_SOCIF) == _PSB_C2_SOCIF_EMPTY) && ++ ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) & _PSB_C2B_STATUS_BUSY) == 0)) ++ goto out; ++ ++ do { ++ busy = (PSB_RSGX32(PSB_CR_2D_SOCIF) != _PSB_C2_SOCIF_EMPTY); ++ } while (busy && !time_after_eq(jiffies, _end)); ++ ++ if (busy) ++ busy = (PSB_RSGX32(PSB_CR_2D_SOCIF) != _PSB_C2_SOCIF_EMPTY); ++ if (busy) ++ goto out; ++ ++ do { ++ busy = ++ ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) & _PSB_C2B_STATUS_BUSY) ++ != 0); ++ } while (busy && !time_after_eq(jiffies, _end)); ++ if (busy) ++ busy = ++ ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) & _PSB_C2B_STATUS_BUSY) ++ != 0); ++ ++ out: ++ if (busy) ++ dev_priv->engine_lockup_2d = 1; ++ ++ return (busy) ? -EBUSY : 0; ++} ++ ++int psb_idle_3d(struct drm_device *dev) ++{ ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ struct psb_scheduler *scheduler = &dev_priv->scheduler; ++ int ret; ++ ++ ret = wait_event_timeout(scheduler->idle_queue, ++ psb_scheduler_finished(dev_priv), DRM_HZ * 10); ++ ++ return (ret < 1) ? -EBUSY : 0; ++} ++ ++static void psb_dereference_buffers_locked(struct psb_buflist_item *buffers, ++ unsigned num_buffers) ++{ ++ while (num_buffers--) ++ drm_bo_usage_deref_locked(&((buffers++)->bo)); ++ ++} ++ ++static int psb_check_presumed(struct drm_bo_op_arg *arg, ++ struct drm_buffer_object *bo, ++ uint32_t __user * data, int *presumed_ok) ++{ ++ struct drm_bo_op_req *req = &arg->d.req; ++ uint32_t hint_offset; ++ uint32_t hint = req->bo_req.hint; ++ ++ *presumed_ok = 0; ++ ++ if (!(hint & DRM_BO_HINT_PRESUMED_OFFSET)) ++ return 0; ++ if (bo->mem.mem_type == DRM_BO_MEM_LOCAL) { ++ *presumed_ok = 1; ++ return 0; ++ } ++ if (bo->offset == req->bo_req.presumed_offset) { ++ *presumed_ok = 1; ++ return 0; ++ } ++ ++ /* ++ * We need to turn off the HINT_PRESUMED_OFFSET for this buffer in ++ * the user-space IOCTL argument list, since the buffer has moved, ++ * we're about to apply relocations and we might subsequently ++ * hit an -EAGAIN. In that case the argument list will be reused by ++ * user-space, but the presumed offset is no longer valid. ++ * ++ * Needless to say, this is a bit ugly. ++ */ ++ ++ hint_offset = (uint32_t *) & req->bo_req.hint - (uint32_t *) arg; ++ hint &= ~DRM_BO_HINT_PRESUMED_OFFSET; ++ return __put_user(hint, data + hint_offset); ++} ++ ++static int psb_validate_buffer_list(struct drm_file *file_priv, ++ unsigned fence_class, ++ unsigned long data, ++ struct psb_buflist_item *buffers, ++ unsigned *num_buffers) ++{ ++ struct drm_bo_op_arg arg; ++ struct drm_bo_op_req *req = &arg.d.req; ++ int ret = 0; ++ unsigned buf_count = 0; ++ struct psb_buflist_item *item = buffers; ++ ++ do { ++ if (buf_count >= *num_buffers) { ++ DRM_ERROR("Buffer count exceeded %d\n.", *num_buffers); ++ ret = -EINVAL; ++ goto out_err; ++ } ++ item = buffers + buf_count; ++ item->bo = NULL; ++ ++ if (copy_from_user(&arg, (void __user *)data, sizeof(arg))) { ++ ret = -EFAULT; ++ DRM_ERROR("Error copying validate list.\n" ++ "\tbuffer %d, user addr 0x%08lx %d\n", ++ buf_count, (unsigned long)data, sizeof(arg)); ++ goto out_err; ++ } ++ ++ ret = 0; ++ if (req->op != drm_bo_validate) { ++ DRM_ERROR ++ ("Buffer object operation wasn't \"validate\".\n"); ++ ret = -EINVAL; ++ goto out_err; ++ } ++ ++ item->ret = 0; ++ item->data = (void *)__user data; ++ ret = drm_bo_handle_validate(file_priv, ++ req->bo_req.handle, ++ fence_class, ++ req->bo_req.flags, ++ req->bo_req.mask, ++ req->bo_req.hint, ++ 0, NULL, &item->bo); ++ if (ret) ++ goto out_err; ++ ++ PSB_DEBUG_GENERAL("Validated buffer at 0x%08lx\n", ++ buffers[buf_count].bo->offset); ++ ++ buf_count++; ++ ++ ++ ret = psb_check_presumed(&arg, item->bo, ++ (uint32_t __user *) ++ (unsigned long) data, ++ &item->presumed_offset_correct); ++ ++ if (ret) ++ goto out_err; ++ ++ data = arg.next; ++ } while (data); ++ ++ *num_buffers = buf_count; ++ ++ return 0; ++ out_err: ++ ++ *num_buffers = buf_count; ++ item->ret = (ret != -EAGAIN) ? ret : 0; ++ return ret; ++} ++ ++int ++psb_reg_submit(struct drm_psb_private *dev_priv, uint32_t * regs, ++ unsigned int cmds) ++{ ++ int i; ++ ++ /* ++ * cmds is 32-bit words. ++ */ ++ ++ cmds >>= 1; ++ for (i = 0; i < cmds; ++i) { ++ PSB_WSGX32(regs[1], regs[0]); ++ regs += 2; ++ } ++ wmb(); ++ return 0; ++} ++ ++/* ++ * Security: Block user-space writing to MMU mapping registers. ++ * This is important for security and brings Poulsbo DRM ++ * up to par with the other DRM drivers. Using this, ++ * user-space should not be able to map arbitrary memory ++ * pages to graphics memory, but all user-space processes ++ * basically have access to all buffer objects mapped to ++ * graphics memory. ++ */ ++ ++int ++psb_submit_copy_cmdbuf(struct drm_device *dev, ++ struct drm_buffer_object *cmd_buffer, ++ unsigned long cmd_offset, ++ unsigned long cmd_size, ++ int engine, uint32_t * copy_buffer) ++{ ++ unsigned long cmd_end = cmd_offset + (cmd_size << 2); ++ struct drm_psb_private *dev_priv = dev->dev_private; ++ unsigned long cmd_page_offset = cmd_offset - (cmd_offset & PAGE_MASK); ++ unsigned long cmd_next; ++ struct drm_bo_kmap_obj cmd_kmap; ++ uint32_t *cmd_page; ++ unsigned cmds; ++ int is_iomem; ++ int ret = 0; ++ ++ if (cmd_size == 0) ++ return 0; ++ ++ if (engine == PSB_ENGINE_2D) ++ psb_2d_lock(dev_priv); ++ ++ do { ++ cmd_next = drm_bo_offset_end(cmd_offset, cmd_end); ++ ret = drm_bo_kmap(cmd_buffer, cmd_offset >> PAGE_SHIFT, ++ 1, &cmd_kmap); ++ ++ if (ret) ++ return ret; ++ cmd_page = drm_bmo_virtual(&cmd_kmap, &is_iomem); ++ cmd_page_offset = (cmd_offset & ~PAGE_MASK) >> 2; ++ cmds = (cmd_next - cmd_offset) >> 2; ++ ++ switch (engine) { ++ case PSB_ENGINE_2D: ++ ret = ++ psb_2d_submit(dev_priv, cmd_page + cmd_page_offset, ++ cmds); ++ break; ++ case PSB_ENGINE_RASTERIZER: ++ case PSB_ENGINE_TA: ++ case PSB_ENGINE_HPRAST: ++ PSB_DEBUG_GENERAL("Reg copy.\n"); ++ ret = psb_memcpy_check(copy_buffer, ++ cmd_page + cmd_page_offset, ++ cmds * sizeof(uint32_t)); ++ copy_buffer += cmds; ++ break; ++ default: ++ ret = -EINVAL; ++ } ++ drm_bo_kunmap(&cmd_kmap); ++ if (ret) ++ break; ++ } while (cmd_offset = cmd_next, cmd_offset != cmd_end); ++ ++ if (engine == PSB_ENGINE_2D) ++ psb_2d_unlock(dev_priv); ++ ++ return ret; ++} ++ ++static void psb_clear_dstbuf_cache(struct psb_dstbuf_cache *dst_cache) ++{ ++ if (dst_cache->dst_page) { ++ drm_bo_kunmap(&dst_cache->dst_kmap); ++ dst_cache->dst_page = NULL; ++ } ++ dst_cache->dst_buf = NULL; ++ dst_cache->dst = ~0; ++ dst_cache->use_page = NULL; ++} ++ ++static int psb_update_dstbuf_cache(struct psb_dstbuf_cache *dst_cache, ++ struct psb_buflist_item *buffers, ++ unsigned int dst, unsigned long dst_offset) ++{ ++ int ret; ++ ++ PSB_DEBUG_RELOC("Destination buffer is %d.\n", dst); ++ ++ if (unlikely(dst != dst_cache->dst || NULL == dst_cache->dst_buf)) { ++ psb_clear_dstbuf_cache(dst_cache); ++ dst_cache->dst = dst; ++ dst_cache->dst_buf = buffers[dst].bo; ++ } ++ ++ if (unlikely(dst_offset > dst_cache->dst_buf->num_pages * PAGE_SIZE)) { ++ DRM_ERROR("Relocation destination out of bounds.\n"); ++ return -EINVAL; ++ } ++ ++ if (!drm_bo_same_page(dst_cache->dst_offset, dst_offset) || ++ NULL == dst_cache->dst_page) { ++ if (NULL != dst_cache->dst_page) { ++ drm_bo_kunmap(&dst_cache->dst_kmap); ++ dst_cache->dst_page = NULL; ++ } ++ ++ ret = drm_bo_kmap(dst_cache->dst_buf, dst_offset >> PAGE_SHIFT, ++ 1, &dst_cache->dst_kmap); ++ if (ret) { ++ DRM_ERROR("Could not map destination buffer for " ++ "relocation.\n"); ++ return ret; ++ } ++ ++ dst_cache->dst_page = drm_bmo_virtual(&dst_cache->dst_kmap, ++ &dst_cache->dst_is_iomem); ++ dst_cache->dst_offset = dst_offset & PAGE_MASK; ++ dst_cache->dst_page_offset = dst_cache->dst_offset >> 2; ++ } ++ return 0; ++} ++ ++static int psb_apply_reloc(struct drm_psb_private *dev_priv, ++ uint32_t fence_class, ++ const struct drm_psb_reloc *reloc, ++ struct psb_buflist_item *buffers, ++ int num_buffers, ++ struct psb_dstbuf_cache *dst_cache, ++ int no_wait, int interruptible) ++{ ++ int reg; ++ uint32_t val; ++ uint32_t background; ++ unsigned int index; ++ int ret; ++ unsigned int shift; ++ unsigned int align_shift; ++ uint32_t fence_type; ++ struct drm_buffer_object *reloc_bo; ++ ++ PSB_DEBUG_RELOC("Reloc type %d\n" ++ "\t where 0x%04x\n" ++ "\t buffer 0x%04x\n" ++ "\t mask 0x%08x\n" ++ "\t shift 0x%08x\n" ++ "\t pre_add 0x%08x\n" ++ "\t background 0x%08x\n" ++ "\t dst_buffer 0x%08x\n" ++ "\t arg0 0x%08x\n" ++ "\t arg1 0x%08x\n", ++ reloc->reloc_op, ++ reloc->where, ++ reloc->buffer, ++ reloc->mask, ++ reloc->shift, ++ reloc->pre_add, ++ reloc->background, ++ reloc->dst_buffer, reloc->arg0, reloc->arg1); ++ ++ if (unlikely(reloc->buffer >= num_buffers)) { ++ DRM_ERROR("Illegal relocation buffer %d.\n", reloc->buffer); ++ return -EINVAL; ++ } ++ ++ if (buffers[reloc->buffer].presumed_offset_correct) ++ return 0; ++ ++ if (unlikely(reloc->dst_buffer >= num_buffers)) { ++ DRM_ERROR("Illegal destination buffer for relocation %d.\n", ++ reloc->dst_buffer); ++ return -EINVAL; ++ } ++ ++ ret = psb_update_dstbuf_cache(dst_cache, buffers, reloc->dst_buffer, ++ reloc->where << 2); ++ if (ret) ++ return ret; ++ ++ reloc_bo = buffers[reloc->buffer].bo; ++ ++ if (unlikely(reloc->pre_add > (reloc_bo->num_pages << PAGE_SHIFT))) { ++ DRM_ERROR("Illegal relocation offset add.\n"); ++ return -EINVAL; ++ } ++ ++ switch (reloc->reloc_op) { ++ case PSB_RELOC_OP_OFFSET: ++ val = reloc_bo->offset + reloc->pre_add; ++ break; ++ case PSB_RELOC_OP_2D_OFFSET: ++ val = reloc_bo->offset + reloc->pre_add - ++ dev_priv->mmu_2d_offset; ++ if (unlikely(val >= PSB_2D_SIZE)) { ++ DRM_ERROR("2D relocation out of bounds\n"); ++ return -EINVAL; ++ } ++ break; ++ case PSB_RELOC_OP_PDS_OFFSET: ++ val = reloc_bo->offset + reloc->pre_add - PSB_MEM_PDS_START; ++ if (unlikely(val >= (PSB_MEM_MMU_START - PSB_MEM_PDS_START))) { ++ DRM_ERROR("PDS relocation out of bounds\n"); ++ return -EINVAL; ++ } ++ break; ++ case PSB_RELOC_OP_USE_OFFSET: ++ case PSB_RELOC_OP_USE_REG: ++ ++ /* ++ * Security: ++ * Only allow VERTEX or PIXEL data masters, as ++ * shaders run under other data masters may in theory ++ * alter MMU mappings. ++ */ ++ ++ if (unlikely(reloc->arg1 != _PSB_CUC_DM_PIXEL && ++ reloc->arg1 != _PSB_CUC_DM_VERTEX)) { ++ DRM_ERROR("Invalid data master in relocation. %d\n", ++ reloc->arg1); ++ return -EPERM; ++ } ++ ++ fence_type = reloc_bo->fence_type; ++ ret = psb_grab_use_base(dev_priv, ++ reloc_bo->offset + ++ reloc->pre_add, reloc->arg0, ++ reloc->arg1, fence_class, ++ fence_type, no_wait, ++ interruptible, ®, &val); ++ if (ret) ++ return ret; ++ ++ val = (reloc->reloc_op == PSB_RELOC_OP_USE_REG) ? reg : val; ++ break; ++ default: ++ DRM_ERROR("Unimplemented relocation.\n"); ++ return -EINVAL; ++ } ++ ++ shift = (reloc->shift & PSB_RELOC_SHIFT_MASK) >> PSB_RELOC_SHIFT_SHIFT; ++ align_shift = (reloc->shift & PSB_RELOC_ALSHIFT_MASK) >> ++ PSB_RELOC_ALSHIFT_SHIFT; ++ ++ val = ((val >> align_shift) << shift); ++ index = reloc->where - dst_cache->dst_page_offset; ++ ++ background = reloc->background; ++ ++ if (reloc->reloc_op == PSB_RELOC_OP_USE_OFFSET) { ++ if (dst_cache->use_page == dst_cache->dst_page && ++ dst_cache->use_index == index) ++ background = dst_cache->use_background; ++ else ++ background = dst_cache->dst_page[index]; ++ } ++#if 0 ++ if (dst_cache->dst_page[index] != PSB_RELOC_MAGIC && ++ reloc->reloc_op != PSB_RELOC_OP_USE_OFFSET) ++ DRM_ERROR("Inconsistent relocation 0x%08lx.\n", ++ (unsigned long)dst_cache->dst_page[index]); ++#endif ++ ++ val = (background & ~reloc->mask) | (val & reloc->mask); ++ dst_cache->dst_page[index] = val; ++ ++ if (reloc->reloc_op == PSB_RELOC_OP_USE_OFFSET || ++ reloc->reloc_op == PSB_RELOC_OP_USE_REG) { ++ dst_cache->use_page = dst_cache->dst_page; ++ dst_cache->use_index = index; ++ dst_cache->use_background = val; ++ } ++ ++ PSB_DEBUG_RELOC("Reloc buffer %d index 0x%08x, value 0x%08x\n", ++ reloc->dst_buffer, index, dst_cache->dst_page[index]); ++ ++ return 0; ++} ++ ++static int psb_ok_to_map_reloc(struct drm_psb_private *dev_priv, ++ unsigned int num_pages) ++{ ++ int ret = 0; ++ ++ spin_lock(&dev_priv->reloc_lock); ++ if (dev_priv->rel_mapped_pages + num_pages <= PSB_MAX_RELOC_PAGES) { ++ dev_priv->rel_mapped_pages += num_pages; ++ ret = 1; ++ } ++ spin_unlock(&dev_priv->reloc_lock); ++ return ret; ++} ++ ++static int psb_fixup_relocs(struct drm_file *file_priv, ++ uint32_t fence_class, ++ unsigned int num_relocs, ++ unsigned int reloc_offset, ++ uint32_t reloc_handle, ++ struct psb_buflist_item *buffers, ++ unsigned int num_buffers, ++ int no_wait, int interruptible) ++{ ++ struct drm_device *dev = file_priv->minor->dev; ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ struct drm_buffer_object *reloc_buffer = NULL; ++ unsigned int reloc_num_pages; ++ unsigned int reloc_first_page; ++ unsigned int reloc_last_page; ++ struct psb_dstbuf_cache dst_cache; ++ struct drm_psb_reloc *reloc; ++ struct drm_bo_kmap_obj reloc_kmap; ++ int reloc_is_iomem; ++ int count; ++ int ret = 0; ++ int registered = 0; ++ int short_circuit = 1; ++ int i; ++ ++ if (num_relocs == 0) ++ return 0; ++ ++ for (i=0; i<num_buffers; ++i) { ++ if (!buffers[i].presumed_offset_correct) { ++ short_circuit = 0; ++ break; ++ } ++ } ++ ++ if (short_circuit) ++ return 0; ++ ++ memset(&dst_cache, 0, sizeof(dst_cache)); ++ memset(&reloc_kmap, 0, sizeof(reloc_kmap)); ++ ++ mutex_lock(&dev->struct_mutex); ++ reloc_buffer = drm_lookup_buffer_object(file_priv, reloc_handle, 1); ++ mutex_unlock(&dev->struct_mutex); ++ if (!reloc_buffer) ++ goto out; ++ ++ reloc_first_page = reloc_offset >> PAGE_SHIFT; ++ reloc_last_page = ++ (reloc_offset + ++ num_relocs * sizeof(struct drm_psb_reloc)) >> PAGE_SHIFT; ++ reloc_num_pages = reloc_last_page - reloc_first_page + 1; ++ reloc_offset &= ~PAGE_MASK; ++ ++ if (reloc_num_pages > PSB_MAX_RELOC_PAGES) { ++ DRM_ERROR("Relocation buffer is too large\n"); ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ DRM_WAIT_ON(ret, dev_priv->rel_mapped_queue, 3 * DRM_HZ, ++ (registered = ++ psb_ok_to_map_reloc(dev_priv, reloc_num_pages))); ++ ++ if (ret == -EINTR) { ++ ret = -EAGAIN; ++ goto out; ++ } ++ if (ret) { ++ DRM_ERROR("Error waiting for space to map " ++ "relocation buffer.\n"); ++ goto out; ++ } ++ ++ ret = drm_bo_kmap(reloc_buffer, reloc_first_page, ++ reloc_num_pages, &reloc_kmap); ++ ++ if (ret) { ++ DRM_ERROR("Could not map relocation buffer.\n" ++ "\tReloc buffer id 0x%08x.\n" ++ "\tReloc first page %d.\n" ++ "\tReloc num pages %d.\n", ++ reloc_handle, reloc_first_page, reloc_num_pages); ++ goto out; ++ } ++ ++ reloc = (struct drm_psb_reloc *) ++ ((unsigned long)drm_bmo_virtual(&reloc_kmap, &reloc_is_iomem) + ++ reloc_offset); ++ ++ for (count = 0; count < num_relocs; ++count) { ++ ret = psb_apply_reloc(dev_priv, fence_class, ++ reloc, buffers, ++ num_buffers, &dst_cache, ++ no_wait, interruptible); ++ if (ret) ++ goto out1; ++ reloc++; ++ } ++ ++ out1: ++ drm_bo_kunmap(&reloc_kmap); ++ out: ++ if (registered) { ++ spin_lock(&dev_priv->reloc_lock); ++ dev_priv->rel_mapped_pages -= reloc_num_pages; ++ spin_unlock(&dev_priv->reloc_lock); ++ DRM_WAKEUP(&dev_priv->rel_mapped_queue); ++ } ++ ++ psb_clear_dstbuf_cache(&dst_cache); ++ if (reloc_buffer) ++ drm_bo_usage_deref_unlocked(&reloc_buffer); ++ return ret; ++} ++ ++static int psb_cmdbuf_2d(struct drm_file *priv, ++ struct drm_psb_cmdbuf_arg *arg, ++ struct drm_buffer_object *cmd_buffer, ++ struct drm_fence_arg *fence_arg) ++{ ++ struct drm_device *dev = priv->minor->dev; ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ int ret; ++ ++ ret = mutex_lock_interruptible(&dev_priv->reset_mutex); ++ if (ret) ++ return -EAGAIN; ++ ++ ret = psb_submit_copy_cmdbuf(dev, cmd_buffer, arg->cmdbuf_offset, ++ arg->cmdbuf_size, PSB_ENGINE_2D, NULL); ++ if (ret) ++ goto out_unlock; ++ ++ psb_fence_or_sync(priv, PSB_ENGINE_2D, arg, fence_arg, NULL); ++ ++ mutex_lock(&cmd_buffer->mutex); ++ if (cmd_buffer->fence != NULL) ++ drm_fence_usage_deref_unlocked(&cmd_buffer->fence); ++ mutex_unlock(&cmd_buffer->mutex); ++ out_unlock: ++ mutex_unlock(&dev_priv->reset_mutex); ++ return ret; ++} ++ ++#if 0 ++static int psb_dump_page(struct drm_buffer_object *bo, ++ unsigned int page_offset, unsigned int num) ++{ ++ struct drm_bo_kmap_obj kmobj; ++ int is_iomem; ++ uint32_t *p; ++ int ret; ++ unsigned int i; ++ ++ ret = drm_bo_kmap(bo, page_offset, 1, &kmobj); ++ if (ret) ++ return ret; ++ ++ p = drm_bmo_virtual(&kmobj, &is_iomem); ++ for (i = 0; i < num; ++i) ++ PSB_DEBUG_GENERAL("0x%04x: 0x%08x\n", i, *p++); ++ ++ drm_bo_kunmap(&kmobj); ++ return 0; ++} ++#endif ++ ++static void psb_idle_engine(struct drm_device *dev, int engine) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ uint32_t dummy; ++ ++ switch (engine) { ++ case PSB_ENGINE_2D: ++ ++ /* ++ * Make sure we flush 2D properly using a dummy ++ * fence sequence emit. ++ */ ++ ++ (void)psb_fence_emit_sequence(dev, PSB_ENGINE_2D, 0, ++ &dummy, &dummy); ++ psb_2d_lock(dev_priv); ++ (void)psb_idle_2d(dev); ++ psb_2d_unlock(dev_priv); ++ break; ++ case PSB_ENGINE_TA: ++ case PSB_ENGINE_RASTERIZER: ++ case PSB_ENGINE_HPRAST: ++ (void)psb_idle_3d(dev); ++ break; ++ default: ++ ++ /* ++ * FIXME: Insert video engine idle command here. ++ */ ++ ++ break; ++ } ++} ++ ++void psb_fence_or_sync(struct drm_file *priv, ++ int engine, ++ struct drm_psb_cmdbuf_arg *arg, ++ struct drm_fence_arg *fence_arg, ++ struct drm_fence_object **fence_p) ++{ ++ struct drm_device *dev = priv->minor->dev; ++ int ret; ++ struct drm_fence_object *fence; ++ ++ ret = drm_fence_buffer_objects(dev, NULL, arg->fence_flags, ++ NULL, &fence); ++ ++ if (ret) { ++ ++ /* ++ * Fence creation failed. ++ * Fall back to synchronous operation and idle the engine. ++ */ ++ ++ psb_idle_engine(dev, engine); ++ if (!(arg->fence_flags & DRM_FENCE_FLAG_NO_USER)) { ++ ++ /* ++ * Communicate to user-space that ++ * fence creation has failed and that ++ * the engine is idle. ++ */ ++ ++ fence_arg->handle = ~0; ++ fence_arg->error = ret; ++ } ++ ++ drm_putback_buffer_objects(dev); ++ if (fence_p) ++ *fence_p = NULL; ++ return; ++ } ++ ++ if (!(arg->fence_flags & DRM_FENCE_FLAG_NO_USER)) { ++ ++ ret = drm_fence_add_user_object(priv, fence, ++ arg->fence_flags & ++ DRM_FENCE_FLAG_SHAREABLE); ++ if (!ret) ++ drm_fence_fill_arg(fence, fence_arg); ++ else { ++ /* ++ * Fence user object creation failed. ++ * We must idle the engine here as well, as user- ++ * space expects a fence object to wait on. Since we ++ * have a fence object we wait for it to signal ++ * to indicate engine "sufficiently" idle. ++ */ ++ ++ (void)drm_fence_object_wait(fence, 0, 1, fence->type); ++ drm_fence_usage_deref_unlocked(&fence); ++ fence_arg->handle = ~0; ++ fence_arg->error = ret; ++ } ++ } ++ ++ if (fence_p) ++ *fence_p = fence; ++ else if (fence) ++ drm_fence_usage_deref_unlocked(&fence); ++} ++ ++int psb_handle_copyback(struct drm_device *dev, ++ struct psb_buflist_item *buffers, ++ unsigned int num_buffers, int ret, void *data) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ struct drm_bo_op_arg arg; ++ struct psb_buflist_item *item = buffers; ++ struct drm_buffer_object *bo; ++ int err = ret; ++ int i; ++ ++ /* ++ * Clear the unfenced use base register lists and buffer lists. ++ */ ++ ++ if (ret) { ++ drm_regs_fence(&dev_priv->use_manager, NULL); ++ drm_putback_buffer_objects(dev); ++ } ++ ++ if (ret != -EAGAIN) { ++ for (i = 0; i < num_buffers; ++i) { ++ arg.handled = 1; ++ arg.d.rep.ret = item->ret; ++ bo = item->bo; ++ mutex_lock(&bo->mutex); ++ drm_bo_fill_rep_arg(bo, &arg.d.rep.bo_info); ++ mutex_unlock(&bo->mutex); ++ if (copy_to_user(item->data, &arg, sizeof(arg))) ++ err = -EFAULT; ++ ++item; ++ } ++ } ++ ++ return err; ++} ++ ++static int psb_cmdbuf_video(struct drm_file *priv, ++ struct drm_psb_cmdbuf_arg *arg, ++ unsigned int num_buffers, ++ struct drm_buffer_object *cmd_buffer, ++ struct drm_fence_arg *fence_arg) ++{ ++ struct drm_device *dev = priv->minor->dev; ++ struct drm_fence_object *fence; ++ int ret; ++ ++ /* ++ * Check this. Doesn't seem right. Have fencing done AFTER command ++ * submission and make sure drm_psb_idle idles the MSVDX completely. ++ */ ++ ++ psb_fence_or_sync(priv, PSB_ENGINE_VIDEO, arg, fence_arg, &fence); ++ ret = psb_submit_video_cmdbuf(dev, cmd_buffer, arg->cmdbuf_offset, ++ arg->cmdbuf_size, fence); ++ ++ if (ret) ++ return ret; ++ ++ drm_fence_usage_deref_unlocked(&fence); ++ mutex_lock(&cmd_buffer->mutex); ++ if (cmd_buffer->fence != NULL) ++ drm_fence_usage_deref_unlocked(&cmd_buffer->fence); ++ mutex_unlock(&cmd_buffer->mutex); ++ return 0; ++} ++ ++int psb_feedback_buf(struct drm_file *file_priv, ++ uint32_t feedback_ops, ++ uint32_t handle, ++ uint32_t offset, ++ uint32_t feedback_breakpoints, ++ uint32_t feedback_size, struct psb_feedback_info *feedback) ++{ ++ struct drm_buffer_object *bo; ++ struct page *page; ++ uint32_t page_no; ++ uint32_t page_offset; ++ int ret; ++ ++ if (feedback_ops & ~PSB_FEEDBACK_OP_VISTEST) { ++ DRM_ERROR("Illegal feedback op.\n"); ++ return -EINVAL; ++ } ++ ++ if (feedback_breakpoints != 0) { ++ DRM_ERROR("Feedback breakpoints not implemented yet.\n"); ++ return -EINVAL; ++ } ++ ++ if (feedback_size < PSB_HW_FEEDBACK_SIZE * sizeof(uint32_t)) { ++ DRM_ERROR("Feedback buffer size too small.\n"); ++ return -EINVAL; ++ } ++ ++ page_offset = offset & ~PAGE_MASK; ++ if ((PAGE_SIZE - PSB_HW_FEEDBACK_SIZE * sizeof(uint32_t)) ++ < page_offset) { ++ DRM_ERROR("Illegal feedback buffer alignment.\n"); ++ return -EINVAL; ++ } ++ ++ ret = drm_bo_handle_validate(file_priv, ++ handle, ++ PSB_ENGINE_TA, ++ DRM_BO_FLAG_MEM_LOCAL | ++ DRM_BO_FLAG_CACHED | ++ DRM_BO_FLAG_WRITE | ++ PSB_BO_FLAG_FEEDBACK, ++ DRM_BO_MASK_MEM | ++ DRM_BO_FLAG_CACHED | ++ DRM_BO_FLAG_WRITE | ++ PSB_BO_FLAG_FEEDBACK, 0, 0, NULL, &bo); ++ if (ret) ++ return ret; ++ ++ page_no = offset >> PAGE_SHIFT; ++ if (page_no >= bo->num_pages) { ++ ret = -EINVAL; ++ DRM_ERROR("Illegal feedback buffer offset.\n"); ++ goto out_unref; ++ } ++ ++ if (bo->ttm == NULL) { ++ ret = -EINVAL; ++ DRM_ERROR("Vistest buffer without TTM.\n"); ++ goto out_unref; ++ } ++ ++ page = drm_ttm_get_page(bo->ttm, page_no); ++ if (!page) { ++ ret = -ENOMEM; ++ goto out_unref; ++ } ++ ++ feedback->page = page; ++ feedback->bo = bo; ++ feedback->offset = page_offset; ++ return 0; ++ ++ out_unref: ++ drm_bo_usage_deref_unlocked(&bo); ++ return ret; ++} ++ ++int psb_cmdbuf_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv) ++{ ++ drm_psb_cmdbuf_arg_t *arg = data; ++ int ret = 0; ++ unsigned num_buffers; ++ struct drm_buffer_object *cmd_buffer = NULL; ++ struct drm_buffer_object *ta_buffer = NULL; ++ struct drm_buffer_object *oom_buffer = NULL; ++ struct drm_fence_arg fence_arg; ++ struct drm_psb_scene user_scene; ++ struct psb_scene_pool *pool = NULL; ++ struct psb_scene *scene = NULL; ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)file_priv->minor->dev->dev_private; ++ int engine; ++ struct psb_feedback_info feedback; ++ ++ if (!dev_priv) ++ return -EINVAL; ++ ++ ret = drm_bo_read_lock(&dev->bm.bm_lock); ++ if (ret) ++ return ret; ++ ++ num_buffers = PSB_NUM_VALIDATE_BUFFERS; ++ ++ ret = mutex_lock_interruptible(&dev_priv->cmdbuf_mutex); ++ if (ret) { ++ drm_bo_read_unlock(&dev->bm.bm_lock); ++ return -EAGAIN; ++ } ++ if (unlikely(dev_priv->buffers == NULL)) { ++ dev_priv->buffers = vmalloc(PSB_NUM_VALIDATE_BUFFERS * ++ sizeof(*dev_priv->buffers)); ++ if (dev_priv->buffers == NULL) { ++ drm_bo_read_unlock(&dev->bm.bm_lock); ++ return -ENOMEM; ++ } ++ } ++ ++ ++ engine = (arg->engine == PSB_ENGINE_RASTERIZER) ? ++ PSB_ENGINE_TA : arg->engine; ++ ++ ret = ++ psb_validate_buffer_list(file_priv, engine, ++ (unsigned long)arg->buffer_list, ++ dev_priv->buffers, &num_buffers); ++ if (ret) ++ goto out_err0; ++ ++ ret = psb_fixup_relocs(file_priv, engine, arg->num_relocs, ++ arg->reloc_offset, arg->reloc_handle, ++ dev_priv->buffers, num_buffers, 0, 1); ++ if (ret) ++ goto out_err0; ++ ++ mutex_lock(&dev->struct_mutex); ++ cmd_buffer = drm_lookup_buffer_object(file_priv, arg->cmdbuf_handle, 1); ++ mutex_unlock(&dev->struct_mutex); ++ if (!cmd_buffer) { ++ ret = -EINVAL; ++ goto out_err0; ++ } ++ ++ switch (arg->engine) { ++ case PSB_ENGINE_2D: ++ ret = psb_cmdbuf_2d(file_priv, arg, cmd_buffer, &fence_arg); ++ if (ret) ++ goto out_err0; ++ break; ++ case PSB_ENGINE_VIDEO: ++ ret = ++ psb_cmdbuf_video(file_priv, arg, num_buffers, cmd_buffer, ++ &fence_arg); ++ if (ret) ++ goto out_err0; ++ break; ++ case PSB_ENGINE_RASTERIZER: ++ ret = psb_cmdbuf_raster(file_priv, arg, cmd_buffer, &fence_arg); ++ if (ret) ++ goto out_err0; ++ break; ++ case PSB_ENGINE_TA: ++ if (arg->ta_handle == arg->cmdbuf_handle) { ++ mutex_lock(&dev->struct_mutex); ++ atomic_inc(&cmd_buffer->usage); ++ ta_buffer = cmd_buffer; ++ mutex_unlock(&dev->struct_mutex); ++ } else { ++ mutex_lock(&dev->struct_mutex); ++ ta_buffer = ++ drm_lookup_buffer_object(file_priv, ++ arg->ta_handle, 1); ++ mutex_unlock(&dev->struct_mutex); ++ if (!ta_buffer) { ++ ret = -EINVAL; ++ goto out_err0; ++ } ++ } ++ if (arg->oom_size != 0) { ++ if (arg->oom_handle == arg->cmdbuf_handle) { ++ mutex_lock(&dev->struct_mutex); ++ atomic_inc(&cmd_buffer->usage); ++ oom_buffer = cmd_buffer; ++ mutex_unlock(&dev->struct_mutex); ++ } else { ++ mutex_lock(&dev->struct_mutex); ++ oom_buffer = ++ drm_lookup_buffer_object(file_priv, ++ arg->oom_handle, ++ 1); ++ mutex_unlock(&dev->struct_mutex); ++ if (!oom_buffer) { ++ ret = -EINVAL; ++ goto out_err0; ++ } ++ } ++ } ++ ++ ret = copy_from_user(&user_scene, (void __user *) ++ ((unsigned long)arg->scene_arg), ++ sizeof(user_scene)); ++ if (ret) ++ goto out_err0; ++ ++ if (!user_scene.handle_valid) { ++ pool = psb_scene_pool_alloc(file_priv, 0, ++ user_scene.num_buffers, ++ user_scene.w, user_scene.h); ++ if (!pool) { ++ ret = -ENOMEM; ++ goto out_err0; ++ } ++ ++ user_scene.handle = psb_scene_pool_handle(pool); ++ user_scene.handle_valid = 1; ++ ret = copy_to_user((void __user *) ++ ((unsigned long)arg->scene_arg), ++ &user_scene, sizeof(user_scene)); ++ ++ if (ret) ++ goto out_err0; ++ } else { ++ mutex_lock(&dev->struct_mutex); ++ pool = psb_scene_pool_lookup_devlocked(file_priv, ++ user_scene. ++ handle, 1); ++ mutex_unlock(&dev->struct_mutex); ++ if (!pool) { ++ ret = -EINVAL; ++ goto out_err0; ++ } ++ } ++ ++ mutex_lock(&dev_priv->reset_mutex); ++ ret = psb_validate_scene_pool(pool, 0, 0, 0, ++ user_scene.w, ++ user_scene.h, ++ arg->ta_flags & ++ PSB_TA_FLAG_LASTPASS, &scene); ++ mutex_unlock(&dev_priv->reset_mutex); ++ ++ if (ret) ++ goto out_err0; ++ ++ memset(&feedback, 0, sizeof(feedback)); ++ if (arg->feedback_ops) { ++ ret = psb_feedback_buf(file_priv, ++ arg->feedback_ops, ++ arg->feedback_handle, ++ arg->feedback_offset, ++ arg->feedback_breakpoints, ++ arg->feedback_size, &feedback); ++ if (ret) ++ goto out_err0; ++ } ++ ret = psb_cmdbuf_ta(file_priv, arg, cmd_buffer, ta_buffer, ++ oom_buffer, scene, &feedback, &fence_arg); ++ if (ret) ++ goto out_err0; ++ break; ++ default: ++ DRM_ERROR("Unimplemented command submission mechanism (%x).\n", ++ arg->engine); ++ ret = -EINVAL; ++ goto out_err0; ++ } ++ ++ if (!(arg->fence_flags & DRM_FENCE_FLAG_NO_USER)) { ++ ret = copy_to_user((void __user *) ++ ((unsigned long)arg->fence_arg), ++ &fence_arg, sizeof(fence_arg)); ++ } ++ ++ out_err0: ++ ret = ++ psb_handle_copyback(dev, dev_priv->buffers, num_buffers, ret, data); ++ mutex_lock(&dev->struct_mutex); ++ if (scene) ++ psb_scene_unref_devlocked(&scene); ++ if (pool) ++ psb_scene_pool_unref_devlocked(&pool); ++ if (cmd_buffer) ++ drm_bo_usage_deref_locked(&cmd_buffer); ++ if (ta_buffer) ++ drm_bo_usage_deref_locked(&ta_buffer); ++ if (oom_buffer) ++ drm_bo_usage_deref_locked(&oom_buffer); ++ ++ psb_dereference_buffers_locked(dev_priv->buffers, num_buffers); ++ mutex_unlock(&dev->struct_mutex); ++ mutex_unlock(&dev_priv->cmdbuf_mutex); ++ ++ drm_bo_read_unlock(&dev->bm.bm_lock); ++ return ret; ++} +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_xhw.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_xhw.c 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,614 @@ ++/************************************************************************** ++ * Copyright (c) 2007, Intel Corporation. ++ * All Rights Reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms and conditions of the GNU General Public License, ++ * version 2, as published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ * ++ * You should have received a copy of the GNU General Public License along with ++ * this program; if not, write to the Free Software Foundation, Inc., ++ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to ++ * develop this driver. ++ * ++ **************************************************************************/ ++/* ++ * Make calls into closed source X server code. ++ */ ++ ++#include "drmP.h" ++#include "psb_drv.h" ++ ++void ++psb_xhw_clean_buf(struct drm_psb_private *dev_priv, struct psb_xhw_buf *buf) ++{ ++ unsigned long irq_flags; ++ ++ spin_lock_irqsave(&dev_priv->xhw_lock, irq_flags); ++ list_del_init(&buf->head); ++ if (dev_priv->xhw_cur_buf == buf) ++ dev_priv->xhw_cur_buf = NULL; ++ atomic_set(&buf->done, 1); ++ spin_unlock_irqrestore(&dev_priv->xhw_lock, irq_flags); ++} ++ ++static inline int psb_xhw_add(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf) ++{ ++ unsigned long irq_flags; ++ ++ spin_lock_irqsave(&dev_priv->xhw_lock, irq_flags); ++ atomic_set(&buf->done, 0); ++ if (unlikely(!dev_priv->xhw_submit_ok)) { ++ spin_unlock_irqrestore(&dev_priv->xhw_lock, irq_flags); ++ DRM_ERROR("No Xpsb 3D extension available.\n"); ++ return -EINVAL; ++ } ++ if (!list_empty(&buf->head)) { ++ DRM_ERROR("Recursive list adding.\n"); ++ goto out; ++ } ++ list_add_tail(&buf->head, &dev_priv->xhw_in); ++ wake_up_interruptible(&dev_priv->xhw_queue); ++ out: ++ spin_unlock_irqrestore(&dev_priv->xhw_lock, irq_flags); ++ return 0; ++} ++ ++int psb_xhw_scene_info(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf, ++ uint32_t w, ++ uint32_t h, ++ uint32_t * hw_cookie, ++ uint32_t * bo_size, ++ uint32_t * clear_p_start, uint32_t * clear_num_pages) ++{ ++ struct drm_psb_xhw_arg *xa = &buf->arg; ++ int ret; ++ ++ buf->copy_back = 1; ++ xa->op = PSB_XHW_SCENE_INFO; ++ xa->irq_op = 0; ++ xa->issue_irq = 0; ++ xa->arg.si.w = w; ++ xa->arg.si.h = h; ++ ++ ret = psb_xhw_add(dev_priv, buf); ++ if (ret) ++ return ret; ++ ++ (void)wait_event_timeout(dev_priv->xhw_caller_queue, ++ atomic_read(&buf->done), DRM_HZ); ++ ++ if (!atomic_read(&buf->done)) { ++ psb_xhw_clean_buf(dev_priv, buf); ++ return -EBUSY; ++ } ++ ++ if (!xa->ret) { ++ memcpy(hw_cookie, xa->cookie, sizeof(xa->cookie)); ++ *bo_size = xa->arg.si.size; ++ *clear_p_start = xa->arg.si.clear_p_start; ++ *clear_num_pages = xa->arg.si.clear_num_pages; ++ } ++ return xa->ret; ++} ++ ++int psb_xhw_fire_raster(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf, uint32_t fire_flags) ++{ ++ struct drm_psb_xhw_arg *xa = &buf->arg; ++ ++ buf->copy_back = 0; ++ xa->op = PSB_XHW_FIRE_RASTER; ++ xa->issue_irq = 0; ++ xa->arg.sb.fire_flags = 0; ++ ++ return psb_xhw_add(dev_priv, buf); ++} ++ ++int psb_xhw_vistest(struct drm_psb_private *dev_priv, struct psb_xhw_buf *buf) ++{ ++ struct drm_psb_xhw_arg *xa = &buf->arg; ++ ++ buf->copy_back = 1; ++ xa->op = PSB_XHW_VISTEST; ++ /* ++ * Could perhaps decrease latency somewhat by ++ * issuing an irq in this case. ++ */ ++ xa->issue_irq = 0; ++ xa->irq_op = PSB_UIRQ_VISTEST; ++ return psb_xhw_add(dev_priv, buf); ++} ++ ++int psb_xhw_scene_bind_fire(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf, ++ uint32_t fire_flags, ++ uint32_t hw_context, ++ uint32_t * cookie, ++ uint32_t * oom_cmds, ++ uint32_t num_oom_cmds, ++ uint32_t offset, uint32_t engine, uint32_t flags) ++{ ++ struct drm_psb_xhw_arg *xa = &buf->arg; ++ ++ buf->copy_back = (fire_flags & PSB_FIRE_FLAG_XHW_OOM); ++ xa->op = PSB_XHW_SCENE_BIND_FIRE; ++ xa->issue_irq = (buf->copy_back) ? 1 : 0; ++ if (unlikely(buf->copy_back)) ++ xa->irq_op = (engine == PSB_SCENE_ENGINE_TA) ? ++ PSB_UIRQ_FIRE_TA_REPLY : PSB_UIRQ_FIRE_RASTER_REPLY; ++ else ++ xa->irq_op = 0; ++ xa->arg.sb.fire_flags = fire_flags; ++ xa->arg.sb.hw_context = hw_context; ++ xa->arg.sb.offset = offset; ++ xa->arg.sb.engine = engine; ++ xa->arg.sb.flags = flags; ++ xa->arg.sb.num_oom_cmds = num_oom_cmds; ++ memcpy(xa->cookie, cookie, sizeof(xa->cookie)); ++ if (num_oom_cmds) ++ memcpy(xa->arg.sb.oom_cmds, oom_cmds, ++ sizeof(uint32_t) * num_oom_cmds); ++ return psb_xhw_add(dev_priv, buf); ++} ++ ++int psb_xhw_reset_dpm(struct drm_psb_private *dev_priv, struct psb_xhw_buf *buf) ++{ ++ struct drm_psb_xhw_arg *xa = &buf->arg; ++ int ret; ++ ++ buf->copy_back = 1; ++ xa->op = PSB_XHW_RESET_DPM; ++ xa->issue_irq = 0; ++ xa->irq_op = 0; ++ ++ ret = psb_xhw_add(dev_priv, buf); ++ if (ret) ++ return ret; ++ ++ (void)wait_event_timeout(dev_priv->xhw_caller_queue, ++ atomic_read(&buf->done), 3 * DRM_HZ); ++ ++ if (!atomic_read(&buf->done)) { ++ psb_xhw_clean_buf(dev_priv, buf); ++ return -EBUSY; ++ } ++ ++ return xa->ret; ++} ++ ++int psb_xhw_check_lockup(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf, uint32_t * value) ++{ ++ struct drm_psb_xhw_arg *xa = &buf->arg; ++ int ret; ++ ++ *value = 0; ++ ++ buf->copy_back = 1; ++ xa->op = PSB_XHW_CHECK_LOCKUP; ++ xa->issue_irq = 0; ++ xa->irq_op = 0; ++ ++ ret = psb_xhw_add(dev_priv, buf); ++ if (ret) ++ return ret; ++ ++ (void)wait_event_timeout(dev_priv->xhw_caller_queue, ++ atomic_read(&buf->done), DRM_HZ * 3); ++ ++ if (!atomic_read(&buf->done)) { ++ psb_xhw_clean_buf(dev_priv, buf); ++ return -EBUSY; ++ } ++ ++ if (!xa->ret) ++ *value = xa->arg.cl.value; ++ ++ return xa->ret; ++} ++ ++static int psb_xhw_terminate(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf) ++{ ++ struct drm_psb_xhw_arg *xa = &buf->arg; ++ unsigned long irq_flags; ++ ++ buf->copy_back = 0; ++ xa->op = PSB_XHW_TERMINATE; ++ xa->issue_irq = 0; ++ ++ spin_lock_irqsave(&dev_priv->xhw_lock, irq_flags); ++ dev_priv->xhw_submit_ok = 0; ++ atomic_set(&buf->done, 0); ++ if (!list_empty(&buf->head)) { ++ DRM_ERROR("Recursive list adding.\n"); ++ goto out; ++ } ++ list_add_tail(&buf->head, &dev_priv->xhw_in); ++ out: ++ spin_unlock_irqrestore(&dev_priv->xhw_lock, irq_flags); ++ wake_up_interruptible(&dev_priv->xhw_queue); ++ ++ (void)wait_event_timeout(dev_priv->xhw_caller_queue, ++ atomic_read(&buf->done), DRM_HZ / 10); ++ ++ if (!atomic_read(&buf->done)) { ++ DRM_ERROR("Xpsb terminate timeout.\n"); ++ psb_xhw_clean_buf(dev_priv, buf); ++ return -EBUSY; ++ } ++ ++ return 0; ++} ++ ++int psb_xhw_ta_mem_info(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf, ++ uint32_t pages, uint32_t * hw_cookie, uint32_t * size) ++{ ++ struct drm_psb_xhw_arg *xa = &buf->arg; ++ int ret; ++ ++ buf->copy_back = 1; ++ xa->op = PSB_XHW_TA_MEM_INFO; ++ xa->issue_irq = 0; ++ xa->irq_op = 0; ++ xa->arg.bi.pages = pages; ++ ++ ret = psb_xhw_add(dev_priv, buf); ++ if (ret) ++ return ret; ++ ++ (void)wait_event_timeout(dev_priv->xhw_caller_queue, ++ atomic_read(&buf->done), DRM_HZ); ++ ++ if (!atomic_read(&buf->done)) { ++ psb_xhw_clean_buf(dev_priv, buf); ++ return -EBUSY; ++ } ++ ++ if (!xa->ret) ++ memcpy(hw_cookie, xa->cookie, sizeof(xa->cookie)); ++ ++ *size = xa->arg.bi.size; ++ return xa->ret; ++} ++ ++int psb_xhw_ta_mem_load(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf, ++ uint32_t flags, ++ uint32_t param_offset, ++ uint32_t pt_offset, uint32_t * hw_cookie) ++{ ++ struct drm_psb_xhw_arg *xa = &buf->arg; ++ int ret; ++ ++ buf->copy_back = 1; ++ xa->op = PSB_XHW_TA_MEM_LOAD; ++ xa->issue_irq = 0; ++ xa->irq_op = 0; ++ xa->arg.bl.flags = flags; ++ xa->arg.bl.param_offset = param_offset; ++ xa->arg.bl.pt_offset = pt_offset; ++ memcpy(xa->cookie, hw_cookie, sizeof(xa->cookie)); ++ ++ ret = psb_xhw_add(dev_priv, buf); ++ if (ret) ++ return ret; ++ ++ (void)wait_event_timeout(dev_priv->xhw_caller_queue, ++ atomic_read(&buf->done), 3 * DRM_HZ); ++ ++ if (!atomic_read(&buf->done)) { ++ psb_xhw_clean_buf(dev_priv, buf); ++ return -EBUSY; ++ } ++ ++ if (!xa->ret) ++ memcpy(hw_cookie, xa->cookie, sizeof(xa->cookie)); ++ ++ return xa->ret; ++} ++ ++int psb_xhw_ta_oom(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf, uint32_t * cookie) ++{ ++ struct drm_psb_xhw_arg *xa = &buf->arg; ++ ++ /* ++ * This calls the extensive closed source ++ * OOM handler, which resolves the condition and ++ * sends a reply telling the scheduler what to do ++ * with the task. ++ */ ++ ++ buf->copy_back = 1; ++ xa->op = PSB_XHW_OOM; ++ xa->issue_irq = 1; ++ xa->irq_op = PSB_UIRQ_OOM_REPLY; ++ memcpy(xa->cookie, cookie, sizeof(xa->cookie)); ++ ++ return psb_xhw_add(dev_priv, buf); ++} ++ ++void psb_xhw_ta_oom_reply(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf, ++ uint32_t * cookie, ++ uint32_t * bca, uint32_t * rca, uint32_t * flags) ++{ ++ struct drm_psb_xhw_arg *xa = &buf->arg; ++ ++ /* ++ * Get info about how to schedule an OOM task. ++ */ ++ ++ memcpy(cookie, xa->cookie, sizeof(xa->cookie)); ++ *bca = xa->arg.oom.bca; ++ *rca = xa->arg.oom.rca; ++ *flags = xa->arg.oom.flags; ++} ++ ++void psb_xhw_fire_reply(struct drm_psb_private *dev_priv, ++ struct psb_xhw_buf *buf, uint32_t * cookie) ++{ ++ struct drm_psb_xhw_arg *xa = &buf->arg; ++ ++ memcpy(cookie, xa->cookie, sizeof(xa->cookie)); ++} ++ ++int psb_xhw_resume(struct drm_psb_private *dev_priv, struct psb_xhw_buf *buf) ++{ ++ struct drm_psb_xhw_arg *xa = &buf->arg; ++ ++ buf->copy_back = 0; ++ xa->op = PSB_XHW_RESUME; ++ xa->issue_irq = 0; ++ xa->irq_op = 0; ++ return psb_xhw_add(dev_priv, buf); ++} ++ ++void psb_xhw_takedown(struct drm_psb_private *dev_priv) ++{ ++} ++ ++int psb_xhw_init(struct drm_device *dev) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ unsigned long irq_flags; ++ ++ INIT_LIST_HEAD(&dev_priv->xhw_in); ++ dev_priv->xhw_lock = SPIN_LOCK_UNLOCKED; ++ atomic_set(&dev_priv->xhw_client, 0); ++ init_waitqueue_head(&dev_priv->xhw_queue); ++ init_waitqueue_head(&dev_priv->xhw_caller_queue); ++ mutex_init(&dev_priv->xhw_mutex); ++ spin_lock_irqsave(&dev_priv->xhw_lock, irq_flags); ++ dev_priv->xhw_on = 0; ++ spin_unlock_irqrestore(&dev_priv->xhw_lock, irq_flags); ++ ++ return 0; ++} ++ ++static int psb_xhw_init_init(struct drm_device *dev, ++ struct drm_file *file_priv, ++ struct drm_psb_xhw_init_arg *arg) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ int ret; ++ int is_iomem; ++ ++ if (atomic_add_unless(&dev_priv->xhw_client, 1, 1)) { ++ unsigned long irq_flags; ++ ++ mutex_lock(&dev->struct_mutex); ++ dev_priv->xhw_bo = ++ drm_lookup_buffer_object(file_priv, arg->buffer_handle, 1); ++ mutex_unlock(&dev->struct_mutex); ++ if (!dev_priv->xhw_bo) { ++ ret = -EINVAL; ++ goto out_err; ++ } ++ ret = drm_bo_kmap(dev_priv->xhw_bo, 0, ++ dev_priv->xhw_bo->num_pages, ++ &dev_priv->xhw_kmap); ++ if (ret) { ++ DRM_ERROR("Failed mapping X server " ++ "communications buffer.\n"); ++ goto out_err0; ++ } ++ dev_priv->xhw = drm_bmo_virtual(&dev_priv->xhw_kmap, &is_iomem); ++ if (is_iomem) { ++ DRM_ERROR("X server communications buffer" ++ "is in device memory.\n"); ++ ret = -EINVAL; ++ goto out_err1; ++ } ++ dev_priv->xhw_file = file_priv; ++ ++ spin_lock_irqsave(&dev_priv->xhw_lock, irq_flags); ++ dev_priv->xhw_on = 1; ++ dev_priv->xhw_submit_ok = 1; ++ spin_unlock_irqrestore(&dev_priv->xhw_lock, irq_flags); ++ return 0; ++ } else { ++ DRM_ERROR("Xhw is already initialized.\n"); ++ return -EBUSY; ++ } ++ out_err1: ++ dev_priv->xhw = NULL; ++ drm_bo_kunmap(&dev_priv->xhw_kmap); ++ out_err0: ++ drm_bo_usage_deref_unlocked(&dev_priv->xhw_bo); ++ out_err: ++ atomic_dec(&dev_priv->xhw_client); ++ return ret; ++} ++ ++static void psb_xhw_queue_empty(struct drm_psb_private *dev_priv) ++{ ++ struct psb_xhw_buf *cur_buf, *next; ++ unsigned long irq_flags; ++ ++ spin_lock_irqsave(&dev_priv->xhw_lock, irq_flags); ++ dev_priv->xhw_submit_ok = 0; ++ ++ list_for_each_entry_safe(cur_buf, next, &dev_priv->xhw_in, head) { ++ list_del_init(&cur_buf->head); ++ if (cur_buf->copy_back) { ++ cur_buf->arg.ret = -EINVAL; ++ } ++ atomic_set(&cur_buf->done, 1); ++ } ++ spin_unlock_irqrestore(&dev_priv->xhw_lock, irq_flags); ++ wake_up(&dev_priv->xhw_caller_queue); ++} ++ ++void psb_xhw_init_takedown(struct drm_psb_private *dev_priv, ++ struct drm_file *file_priv, int closing) ++{ ++ ++ if (dev_priv->xhw_file == file_priv && ++ atomic_add_unless(&dev_priv->xhw_client, -1, 0)) { ++ ++ if (closing) ++ psb_xhw_queue_empty(dev_priv); ++ else { ++ struct psb_xhw_buf buf; ++ INIT_LIST_HEAD(&buf.head); ++ ++ psb_xhw_terminate(dev_priv, &buf); ++ psb_xhw_queue_empty(dev_priv); ++ } ++ ++ dev_priv->xhw = NULL; ++ drm_bo_kunmap(&dev_priv->xhw_kmap); ++ drm_bo_usage_deref_unlocked(&dev_priv->xhw_bo); ++ dev_priv->xhw_file = NULL; ++ } ++} ++ ++int psb_xhw_init_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv) ++{ ++ struct drm_psb_xhw_init_arg *arg = (struct drm_psb_xhw_init_arg *)data; ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ ++ switch (arg->operation) { ++ case PSB_XHW_INIT: ++ return psb_xhw_init_init(dev, file_priv, arg); ++ case PSB_XHW_TAKEDOWN: ++ psb_xhw_init_takedown(dev_priv, file_priv, 0); ++ } ++ return 0; ++} ++ ++static int psb_xhw_in_empty(struct drm_psb_private *dev_priv) ++{ ++ int empty; ++ unsigned long irq_flags; ++ ++ spin_lock_irqsave(&dev_priv->xhw_lock, irq_flags); ++ empty = list_empty(&dev_priv->xhw_in); ++ spin_unlock_irqrestore(&dev_priv->xhw_lock, irq_flags); ++ return empty; ++} ++ ++int psb_xhw_handler(struct drm_psb_private *dev_priv) ++{ ++ unsigned long irq_flags; ++ struct drm_psb_xhw_arg *xa; ++ struct psb_xhw_buf *buf; ++ ++ spin_lock_irqsave(&dev_priv->xhw_lock, irq_flags); ++ ++ if (!dev_priv->xhw_on) { ++ spin_unlock_irqrestore(&dev_priv->xhw_lock, irq_flags); ++ return -EINVAL; ++ } ++ ++ buf = dev_priv->xhw_cur_buf; ++ if (buf && buf->copy_back) { ++ xa = &buf->arg; ++ memcpy(xa, dev_priv->xhw, sizeof(*xa)); ++ dev_priv->comm[PSB_COMM_USER_IRQ] = xa->irq_op; ++ atomic_set(&buf->done, 1); ++ wake_up(&dev_priv->xhw_caller_queue); ++ } else ++ dev_priv->comm[PSB_COMM_USER_IRQ] = 0; ++ ++ dev_priv->xhw_cur_buf = 0; ++ spin_unlock_irqrestore(&dev_priv->xhw_lock, irq_flags); ++ return 0; ++} ++ ++int psb_xhw_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv) ++{ ++ struct drm_psb_private *dev_priv = ++ (struct drm_psb_private *)dev->dev_private; ++ unsigned long irq_flags; ++ struct drm_psb_xhw_arg *xa; ++ int ret; ++ struct list_head *list; ++ struct psb_xhw_buf *buf; ++ ++ if (!dev_priv) ++ return -EINVAL; ++ ++ if (mutex_lock_interruptible(&dev_priv->xhw_mutex)) ++ return -EAGAIN; ++ ++ if (psb_forced_user_interrupt(dev_priv)) { ++ mutex_unlock(&dev_priv->xhw_mutex); ++ return -EINVAL; ++ } ++ ++ spin_lock_irqsave(&dev_priv->xhw_lock, irq_flags); ++ while (list_empty(&dev_priv->xhw_in)) { ++ spin_unlock_irqrestore(&dev_priv->xhw_lock, irq_flags); ++ ret = wait_event_interruptible_timeout(dev_priv->xhw_queue, ++ !psb_xhw_in_empty ++ (dev_priv), DRM_HZ); ++ if (ret == -ERESTARTSYS || ret == 0) { ++ mutex_unlock(&dev_priv->xhw_mutex); ++ return -EAGAIN; ++ } ++ spin_lock_irqsave(&dev_priv->xhw_lock, irq_flags); ++ } ++ ++ list = dev_priv->xhw_in.next; ++ list_del_init(list); ++ ++ buf = list_entry(list, struct psb_xhw_buf, head); ++ xa = &buf->arg; ++ memcpy(dev_priv->xhw, xa, sizeof(*xa)); ++ ++ if (unlikely(buf->copy_back)) ++ dev_priv->xhw_cur_buf = buf; ++ else { ++ atomic_set(&buf->done, 1); ++ dev_priv->xhw_cur_buf = NULL; ++ } ++ ++ if (xa->op == PSB_XHW_TERMINATE) { ++ dev_priv->xhw_on = 0; ++ wake_up(&dev_priv->xhw_caller_queue); ++ } ++ spin_unlock_irqrestore(&dev_priv->xhw_lock, irq_flags); ++ ++ mutex_unlock(&dev_priv->xhw_mutex); ++ ++ return 0; ++} +Index: linux-2.6.28/drivers/gpu/drm/Kconfig +=================================================================== +--- linux-2.6.28.orig/drivers/gpu/drm/Kconfig 2009-02-20 12:22:54.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/Kconfig 2009-02-20 12:23:06.000000000 +0000 +@@ -129,3 +129,10 @@ + help + Choose this option if you have a Savage3D/4/SuperSavage/Pro/Twister + chipset. If M is selected the module will be called savage. ++ ++config DRM_PSB ++ tristate "Intel Poulsbo" ++ depends on DRM && PCI && I2C_ALGOBIT ++ select DRM_INTEL_COMMON ++ help ++ Choose this option if you have an Intel Poulsbo chipset. +Index: linux-2.6.28/include/drm/drm_objects.h +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/include/drm/drm_objects.h 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,717 @@ ++/************************************************************************** ++ * ++ * Copyright (c) 2006-2007 Tungsten Graphics, Inc., Cedar Park, TX., USA ++ * All Rights Reserved. ++ * ++ * Permission is hereby granted, free of charge, to any person obtaining a ++ * copy of this software and associated documentation files (the ++ * "Software"), to deal in the Software without restriction, including ++ * without limitation the rights to use, copy, modify, merge, publish, ++ * distribute, sub license, and/or sell copies of the Software, and to ++ * permit persons to whom the Software is furnished to do so, subject to ++ * the following conditions: ++ * ++ * The above copyright notice and this permission notice (including the ++ * next paragraph) shall be included in all copies or substantial portions ++ * of the Software. ++ * ++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ++ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ++ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL ++ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, ++ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR ++ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE ++ * USE OR OTHER DEALINGS IN THE SOFTWARE. ++ * ++ **************************************************************************/ ++/* ++ * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com> ++ */ ++ ++#ifndef _DRM_OBJECTS_H ++#define _DRM_OBJECTS_H ++ ++struct drm_device; ++struct drm_bo_mem_reg; ++ ++/*************************************************** ++ * User space objects. (drm_object.c) ++ */ ++ ++#define drm_user_object_entry(_ptr, _type, _member) container_of(_ptr, _type, _member) ++ ++enum drm_object_type { ++ drm_fence_type, ++ drm_buffer_type, ++ drm_lock_type, ++ /* ++ * Add other user space object types here. ++ */ ++ drm_driver_type0 = 256, ++ drm_driver_type1, ++ drm_driver_type2, ++ drm_driver_type3, ++ drm_driver_type4 ++}; ++ ++/* ++ * A user object is a structure that helps the drm give out user handles ++ * to kernel internal objects and to keep track of these objects so that ++ * they can be destroyed, for example when the user space process exits. ++ * Designed to be accessible using a user space 32-bit handle. ++ */ ++ ++struct drm_user_object { ++ struct drm_hash_item hash; ++ struct list_head list; ++ enum drm_object_type type; ++ atomic_t refcount; ++ int shareable; ++ struct drm_file *owner; ++ void (*ref_struct_locked) (struct drm_file *priv, ++ struct drm_user_object *obj, ++ enum drm_ref_type ref_action); ++ void (*unref) (struct drm_file *priv, struct drm_user_object *obj, ++ enum drm_ref_type unref_action); ++ void (*remove) (struct drm_file *priv, struct drm_user_object *obj); ++}; ++ ++/* ++ * A ref object is a structure which is used to ++ * keep track of references to user objects and to keep track of these ++ * references so that they can be destroyed for example when the user space ++ * process exits. Designed to be accessible using a pointer to the _user_ object. ++ */ ++ ++struct drm_ref_object { ++ struct drm_hash_item hash; ++ struct list_head list; ++ atomic_t refcount; ++ enum drm_ref_type unref_action; ++}; ++ ++/** ++ * Must be called with the struct_mutex held. ++ */ ++ ++extern int drm_add_user_object(struct drm_file *priv, struct drm_user_object *item, ++ int shareable); ++/** ++ * Must be called with the struct_mutex held. ++ */ ++ ++extern struct drm_user_object *drm_lookup_user_object(struct drm_file *priv, ++ uint32_t key); ++ ++/* ++ * Must be called with the struct_mutex held. May temporarily release it. ++ */ ++ ++extern int drm_add_ref_object(struct drm_file *priv, ++ struct drm_user_object *referenced_object, ++ enum drm_ref_type ref_action); ++ ++/* ++ * Must be called with the struct_mutex held. ++ */ ++ ++struct drm_ref_object *drm_lookup_ref_object(struct drm_file *priv, ++ struct drm_user_object *referenced_object, ++ enum drm_ref_type ref_action); ++/* ++ * Must be called with the struct_mutex held. ++ * If "item" has been obtained by a call to drm_lookup_ref_object. You may not ++ * release the struct_mutex before calling drm_remove_ref_object. ++ * This function may temporarily release the struct_mutex. ++ */ ++ ++extern void drm_remove_ref_object(struct drm_file *priv, struct drm_ref_object *item); ++extern int drm_user_object_ref(struct drm_file *priv, uint32_t user_token, ++ enum drm_object_type type, ++ struct drm_user_object **object); ++extern int drm_user_object_unref(struct drm_file *priv, uint32_t user_token, ++ enum drm_object_type type); ++ ++/*************************************************** ++ * Fence objects. (drm_fence.c) ++ */ ++ ++struct drm_fence_object { ++ struct drm_user_object base; ++ struct drm_device *dev; ++ atomic_t usage; ++ ++ /* ++ * The below three fields are protected by the fence manager spinlock. ++ */ ++ ++ struct list_head ring; ++ int fence_class; ++ uint32_t native_types; ++ uint32_t type; ++ uint32_t signaled_types; ++ uint32_t sequence; ++ uint32_t waiting_types; ++ uint32_t error; ++}; ++ ++#define _DRM_FENCE_CLASSES 8 ++ ++struct drm_fence_class_manager { ++ struct list_head ring; ++ uint32_t pending_flush; ++ uint32_t waiting_types; ++ wait_queue_head_t fence_queue; ++ uint32_t highest_waiting_sequence; ++ uint32_t latest_queued_sequence; ++}; ++ ++struct drm_fence_manager { ++ int initialized; ++ rwlock_t lock; ++ struct drm_fence_class_manager fence_class[_DRM_FENCE_CLASSES]; ++ uint32_t num_classes; ++ atomic_t count; ++}; ++ ++struct drm_fence_driver { ++ unsigned long *waiting_jiffies; ++ uint32_t num_classes; ++ uint32_t wrap_diff; ++ uint32_t flush_diff; ++ uint32_t sequence_mask; ++ ++ /* ++ * Driver implemented functions: ++ * has_irq() : 1 if the hardware can update the indicated type_flags using an ++ * irq handler. 0 if polling is required. ++ * ++ * emit() : Emit a sequence number to the command stream. ++ * Return the sequence number. ++ * ++ * flush() : Make sure the flags indicated in fc->pending_flush will eventually ++ * signal for fc->highest_received_sequence and all preceding sequences. ++ * Acknowledge by clearing the flags fc->pending_flush. ++ * ++ * poll() : Call drm_fence_handler with any new information. ++ * ++ * needed_flush() : Given the current state of the fence->type flags and previusly ++ * executed or queued flushes, return the type_flags that need flushing. ++ * ++ * wait(): Wait for the "mask" flags to signal on a given fence, performing ++ * whatever's necessary to make this happen. ++ */ ++ ++ int (*has_irq) (struct drm_device *dev, uint32_t fence_class, ++ uint32_t flags); ++ int (*emit) (struct drm_device *dev, uint32_t fence_class, ++ uint32_t flags, uint32_t *breadcrumb, ++ uint32_t *native_type); ++ void (*flush) (struct drm_device *dev, uint32_t fence_class); ++ void (*poll) (struct drm_device *dev, uint32_t fence_class, ++ uint32_t types); ++ uint32_t (*needed_flush) (struct drm_fence_object *fence); ++ int (*wait) (struct drm_fence_object *fence, int lazy, ++ int interruptible, uint32_t mask); ++}; ++ ++extern int drm_fence_wait_polling(struct drm_fence_object *fence, int lazy, ++ int interruptible, uint32_t mask, ++ unsigned long end_jiffies); ++extern void drm_fence_handler(struct drm_device *dev, uint32_t fence_class, ++ uint32_t sequence, uint32_t type, ++ uint32_t error); ++extern void drm_fence_manager_init(struct drm_device *dev); ++extern void drm_fence_manager_takedown(struct drm_device *dev); ++extern void drm_fence_flush_old(struct drm_device *dev, uint32_t fence_class, ++ uint32_t sequence); ++extern int drm_fence_object_flush(struct drm_fence_object *fence, ++ uint32_t type); ++extern int drm_fence_object_signaled(struct drm_fence_object *fence, ++ uint32_t type); ++extern void drm_fence_usage_deref_locked(struct drm_fence_object **fence); ++extern void drm_fence_usage_deref_unlocked(struct drm_fence_object **fence); ++extern struct drm_fence_object *drm_fence_reference_locked(struct drm_fence_object *src); ++extern void drm_fence_reference_unlocked(struct drm_fence_object **dst, ++ struct drm_fence_object *src); ++extern int drm_fence_object_wait(struct drm_fence_object *fence, ++ int lazy, int ignore_signals, uint32_t mask); ++extern int drm_fence_object_create(struct drm_device *dev, uint32_t type, ++ uint32_t fence_flags, uint32_t fence_class, ++ struct drm_fence_object **c_fence); ++extern int drm_fence_object_emit(struct drm_fence_object *fence, ++ uint32_t fence_flags, uint32_t class, ++ uint32_t type); ++extern void drm_fence_fill_arg(struct drm_fence_object *fence, ++ struct drm_fence_arg *arg); ++ ++extern int drm_fence_add_user_object(struct drm_file *priv, ++ struct drm_fence_object *fence, ++ int shareable); ++ ++extern int drm_fence_create_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv); ++extern int drm_fence_destroy_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv); ++extern int drm_fence_reference_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv); ++extern int drm_fence_unreference_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv); ++extern int drm_fence_signaled_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv); ++extern int drm_fence_flush_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv); ++extern int drm_fence_wait_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv); ++extern int drm_fence_emit_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv); ++extern int drm_fence_buffers_ioctl(struct drm_device *dev, void *data, ++ struct drm_file *file_priv); ++/************************************************** ++ *TTMs ++ */ ++ ++/* ++ * The ttm backend GTT interface. (In our case AGP). ++ * Any similar type of device (PCIE?) ++ * needs only to implement these functions to be usable with the TTM interface. ++ * The AGP backend implementation lives in drm_agpsupport.c ++ * basically maps these calls to available functions in agpgart. ++ * Each drm device driver gets an ++ * additional function pointer that creates these types, ++ * so that the device can choose the correct aperture. ++ * (Multiple AGP apertures, etc.) ++ * Most device drivers will let this point to the standard AGP implementation. ++ */ ++ ++#define DRM_BE_FLAG_NEEDS_FREE 0x00000001 ++#define DRM_BE_FLAG_BOUND_CACHED 0x00000002 ++ ++struct drm_ttm_backend; ++struct drm_ttm_backend_func { ++ int (*needs_ub_cache_adjust) (struct drm_ttm_backend *backend); ++ int (*populate) (struct drm_ttm_backend *backend, ++ unsigned long num_pages, struct page **pages); ++ void (*clear) (struct drm_ttm_backend *backend); ++ int (*bind) (struct drm_ttm_backend *backend, ++ struct drm_bo_mem_reg *bo_mem); ++ int (*unbind) (struct drm_ttm_backend *backend); ++ void (*destroy) (struct drm_ttm_backend *backend); ++}; ++ ++ ++struct drm_ttm_backend { ++ struct drm_device *dev; ++ uint32_t flags; ++ struct drm_ttm_backend_func *func; ++}; ++ ++struct drm_ttm { ++ struct page *dummy_read_page; ++ struct page **pages; ++ uint32_t page_flags; ++ unsigned long num_pages; ++ atomic_t vma_count; ++ struct drm_device *dev; ++ int destroy; ++ uint32_t mapping_offset; ++ struct drm_ttm_backend *be; ++ enum { ++ ttm_bound, ++ ttm_evicted, ++ ttm_unbound, ++ ttm_unpopulated, ++ } state; ++ ++}; ++ ++extern struct drm_ttm *drm_ttm_init(struct drm_device *dev, unsigned long size); ++extern int drm_bind_ttm(struct drm_ttm *ttm, struct drm_bo_mem_reg *bo_mem); ++extern void drm_ttm_unbind(struct drm_ttm *ttm); ++extern void drm_ttm_evict(struct drm_ttm *ttm); ++extern void drm_ttm_fixup_caching(struct drm_ttm *ttm); ++extern struct page *drm_ttm_get_page(struct drm_ttm *ttm, int index); ++extern void drm_ttm_cache_flush(void); ++extern int drm_ttm_populate(struct drm_ttm *ttm); ++extern int drm_ttm_set_user(struct drm_ttm *ttm, ++ struct task_struct *tsk, ++ int write, ++ unsigned long start, ++ unsigned long num_pages, ++ struct page *dummy_read_page); ++unsigned long drm_ttm_size(struct drm_device *dev, ++ unsigned long num_pages, ++ int user_bo); ++ ++ ++/* ++ * Destroy a ttm. The user normally calls drmRmMap or a similar IOCTL to do ++ * this which calls this function iff there are no vmas referencing it anymore. ++ * Otherwise it is called when the last vma exits. ++ */ ++ ++extern int drm_destroy_ttm(struct drm_ttm *ttm); ++ ++#define DRM_FLAG_MASKED(_old, _new, _mask) {\ ++(_old) ^= (((_old) ^ (_new)) & (_mask)); \ ++} ++ ++#define DRM_TTM_MASK_FLAGS ((1 << PAGE_SHIFT) - 1) ++#define DRM_TTM_MASK_PFN (0xFFFFFFFFU - DRM_TTM_MASK_FLAGS) ++ ++/* ++ * Page flags. ++ */ ++ ++#define DRM_TTM_PAGE_UNCACHED (1 << 0) ++#define DRM_TTM_PAGE_USED (1 << 1) ++#define DRM_TTM_PAGE_BOUND (1 << 2) ++#define DRM_TTM_PAGE_PRESENT (1 << 3) ++#define DRM_TTM_PAGE_VMALLOC (1 << 4) ++#define DRM_TTM_PAGE_USER (1 << 5) ++#define DRM_TTM_PAGE_USER_WRITE (1 << 6) ++#define DRM_TTM_PAGE_USER_DIRTY (1 << 7) ++#define DRM_TTM_PAGE_USER_DMA (1 << 8) ++ ++/*************************************************** ++ * Buffer objects. (drm_bo.c, drm_bo_move.c) ++ */ ++ ++struct drm_bo_mem_reg { ++ struct drm_mm_node *mm_node; ++ unsigned long size; ++ unsigned long num_pages; ++ uint32_t page_alignment; ++ uint32_t mem_type; ++ uint64_t flags; ++ uint64_t mask; ++ uint32_t desired_tile_stride; ++ uint32_t hw_tile_stride; ++}; ++ ++enum drm_bo_type { ++ drm_bo_type_dc, ++ drm_bo_type_user, ++ drm_bo_type_kernel, /* for initial kernel allocations */ ++}; ++ ++struct drm_buffer_object { ++ struct drm_device *dev; ++ struct drm_user_object base; ++ ++ /* ++ * If there is a possibility that the usage variable is zero, ++ * then dev->struct_mutext should be locked before incrementing it. ++ */ ++ ++ atomic_t usage; ++ unsigned long buffer_start; ++ enum drm_bo_type type; ++ unsigned long offset; ++ atomic_t mapped; ++ struct drm_bo_mem_reg mem; ++ ++ struct list_head lru; ++ struct list_head ddestroy; ++ ++ uint32_t fence_type; ++ uint32_t fence_class; ++ uint32_t new_fence_type; ++ uint32_t new_fence_class; ++ struct drm_fence_object *fence; ++ uint32_t priv_flags; ++ wait_queue_head_t event_queue; ++ struct mutex mutex; ++ unsigned long num_pages; ++ unsigned long reserved_size; ++ ++ /* For pinned buffers */ ++ struct drm_mm_node *pinned_node; ++ uint32_t pinned_mem_type; ++ struct list_head pinned_lru; ++ ++ /* For vm */ ++ struct drm_ttm *ttm; ++ struct drm_map_list map_list; ++ uint32_t memory_type; ++ unsigned long bus_offset; ++ uint32_t vm_flags; ++ void *iomap; ++ ++#ifdef DRM_ODD_MM_COMPAT ++ /* dev->struct_mutex only protected. */ ++ struct list_head vma_list; ++ struct list_head p_mm_list; ++#endif ++ ++}; ++ ++#define _DRM_BO_FLAG_UNFENCED 0x00000001 ++#define _DRM_BO_FLAG_EVICTED 0x00000002 ++ ++struct drm_mem_type_manager { ++ int has_type; ++ int use_type; ++ struct drm_mm manager; ++ struct list_head lru; ++ struct list_head pinned; ++ uint32_t flags; ++ uint32_t drm_bus_maptype; ++ unsigned long gpu_offset; ++ unsigned long io_offset; ++ unsigned long io_size; ++ void *io_addr; ++}; ++ ++struct drm_bo_lock { ++ struct drm_user_object base; ++ wait_queue_head_t queue; ++ atomic_t write_lock_pending; ++ atomic_t readers; ++}; ++ ++#define _DRM_FLAG_MEMTYPE_FIXED 0x00000001 /* Fixed (on-card) PCI memory */ ++#define _DRM_FLAG_MEMTYPE_MAPPABLE 0x00000002 /* Memory mappable */ ++#define _DRM_FLAG_MEMTYPE_CACHED 0x00000004 /* Cached binding */ ++#define _DRM_FLAG_NEEDS_IOREMAP 0x00000008 /* Fixed memory needs ioremap ++ before kernel access. */ ++#define _DRM_FLAG_MEMTYPE_CMA 0x00000010 /* Can't map aperture */ ++#define _DRM_FLAG_MEMTYPE_CSELECT 0x00000020 /* Select caching */ ++ ++struct drm_buffer_manager { ++ struct drm_bo_lock bm_lock; ++ struct mutex evict_mutex; ++ int nice_mode; ++ int initialized; ++ struct drm_file *last_to_validate; ++ struct drm_mem_type_manager man[DRM_BO_MEM_TYPES]; ++ struct list_head unfenced; ++ struct list_head ddestroy; ++ struct delayed_work wq; ++ uint32_t fence_type; ++ unsigned long cur_pages; ++ atomic_t count; ++ struct page *dummy_read_page; ++}; ++ ++struct drm_bo_driver { ++ const uint32_t *mem_type_prio; ++ const uint32_t *mem_busy_prio; ++ uint32_t num_mem_type_prio; ++ uint32_t num_mem_busy_prio; ++ struct drm_ttm_backend *(*create_ttm_backend_entry) ++ (struct drm_device *dev); ++ int (*backend_size) (struct drm_device *dev, ++ unsigned long num_pages); ++ int (*fence_type) (struct drm_buffer_object *bo, uint32_t *fclass, ++ uint32_t *type); ++ int (*invalidate_caches) (struct drm_device *dev, uint64_t flags); ++ int (*init_mem_type) (struct drm_device *dev, uint32_t type, ++ struct drm_mem_type_manager *man); ++ uint32_t(*evict_mask) (struct drm_buffer_object *bo); ++ int (*move) (struct drm_buffer_object *bo, ++ int evict, int no_wait, struct drm_bo_mem_reg *new_mem); ++ void (*ttm_cache_flush)(struct drm_ttm *ttm); ++ ++ /* ++ * command_stream_barrier ++ * ++ * @dev: The drm device. ++ * ++ * @bo: The buffer object to validate. ++ * ++ * @new_fence_class: The new fence class for the buffer object. ++ * ++ * @new_fence_type: The new fence type for the buffer object. ++ * ++ * @no_wait: whether this should give up and return -EBUSY ++ * if this operation would require sleeping ++ * ++ * Insert a command stream barrier that makes sure that the ++ * buffer is idle once the commands associated with the ++ * current validation are starting to execute. If an error ++ * condition is returned, or the function pointer is NULL, ++ * the drm core will force buffer idle ++ * during validation. ++ */ ++ ++ int (*command_stream_barrier) (struct drm_buffer_object *bo, ++ uint32_t new_fence_class, ++ uint32_t new_fence_type, ++ int no_wait); ++}; ++ ++/* ++ * buffer objects (drm_bo.c) ++ */ ++extern int drm_bo_create_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); ++extern int drm_bo_destroy_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); ++extern int drm_bo_map_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); ++extern int drm_bo_unmap_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); ++extern int drm_bo_reference_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); ++extern int drm_bo_set_pin(struct drm_device *dev, struct drm_buffer_object *bo, int pin); ++extern int drm_bo_unreference_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); ++extern int drm_bo_wait_idle_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); ++extern int drm_bo_info_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); ++extern int drm_bo_setstatus_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); ++extern int drm_mm_init_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); ++extern int drm_mm_takedown_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); ++extern int drm_mm_lock_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); ++extern int drm_mm_unlock_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); ++extern int drm_bo_version_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); ++extern int drm_bo_driver_finish(struct drm_device *dev); ++extern int drm_bo_driver_init(struct drm_device *dev); ++extern int drm_bo_pci_offset(struct drm_device *dev, ++ struct drm_bo_mem_reg *mem, ++ unsigned long *bus_base, ++ unsigned long *bus_offset, ++ unsigned long *bus_size); ++extern int drm_mem_reg_is_pci(struct drm_device *dev, struct drm_bo_mem_reg *mem); ++ ++extern void drm_bo_usage_deref_locked(struct drm_buffer_object **bo); ++extern void drm_bo_usage_deref_unlocked(struct drm_buffer_object **bo); ++extern void drm_putback_buffer_objects(struct drm_device *dev); ++extern int drm_fence_buffer_objects(struct drm_device *dev, ++ struct list_head *list, ++ uint32_t fence_flags, ++ struct drm_fence_object *fence, ++ struct drm_fence_object **used_fence); ++extern void drm_bo_add_to_lru(struct drm_buffer_object *bo); ++extern int drm_buffer_object_create(struct drm_device *dev, unsigned long size, ++ enum drm_bo_type type, uint64_t mask, ++ uint32_t hint, uint32_t page_alignment, ++ unsigned long buffer_start, ++ struct drm_buffer_object **bo); ++extern int drm_bo_wait(struct drm_buffer_object *bo, int lazy, int ignore_signals, ++ int no_wait); ++extern int drm_bo_mem_space(struct drm_buffer_object *bo, ++ struct drm_bo_mem_reg *mem, int no_wait); ++extern int drm_bo_move_buffer(struct drm_buffer_object *bo, ++ uint64_t new_mem_flags, ++ int no_wait, int move_unfenced); ++extern int drm_bo_clean_mm(struct drm_device *dev, unsigned mem_type); ++extern int drm_bo_init_mm(struct drm_device *dev, unsigned type, ++ unsigned long p_offset, unsigned long p_size); ++extern int drm_bo_handle_validate(struct drm_file *file_priv, uint32_t handle, ++ uint32_t fence_class, uint64_t flags, ++ uint64_t mask, uint32_t hint, ++ int use_old_fence_class, ++ struct drm_bo_info_rep *rep, ++ struct drm_buffer_object **bo_rep); ++extern struct drm_buffer_object *drm_lookup_buffer_object(struct drm_file *file_priv, ++ uint32_t handle, ++ int check_owner); ++extern int drm_bo_do_validate(struct drm_buffer_object *bo, ++ uint64_t flags, uint64_t mask, uint32_t hint, ++ uint32_t fence_class, ++ int no_wait, ++ struct drm_bo_info_rep *rep); ++extern void drm_bo_fill_rep_arg(struct drm_buffer_object *bo, ++ struct drm_bo_info_rep *rep); ++/* ++ * Buffer object memory move- and map helpers. ++ * drm_bo_move.c ++ */ ++ ++extern int drm_bo_move_ttm(struct drm_buffer_object *bo, ++ int evict, int no_wait, ++ struct drm_bo_mem_reg *new_mem); ++extern int drm_bo_move_memcpy(struct drm_buffer_object *bo, ++ int evict, ++ int no_wait, struct drm_bo_mem_reg *new_mem); ++extern int drm_bo_move_accel_cleanup(struct drm_buffer_object *bo, ++ int evict, int no_wait, ++ uint32_t fence_class, uint32_t fence_type, ++ uint32_t fence_flags, ++ struct drm_bo_mem_reg *new_mem); ++extern int drm_bo_same_page(unsigned long offset, unsigned long offset2); ++extern unsigned long drm_bo_offset_end(unsigned long offset, ++ unsigned long end); ++ ++struct drm_bo_kmap_obj { ++ void *virtual; ++ struct page *page; ++ enum { ++ bo_map_iomap, ++ bo_map_vmap, ++ bo_map_kmap, ++ bo_map_premapped, ++ } bo_kmap_type; ++}; ++ ++static inline void *drm_bmo_virtual(struct drm_bo_kmap_obj *map, int *is_iomem) ++{ ++ *is_iomem = (map->bo_kmap_type == bo_map_iomap || ++ map->bo_kmap_type == bo_map_premapped); ++ return map->virtual; ++} ++extern void drm_bo_kunmap(struct drm_bo_kmap_obj *map); ++extern int drm_bo_kmap(struct drm_buffer_object *bo, unsigned long start_page, ++ unsigned long num_pages, struct drm_bo_kmap_obj *map); ++ ++ ++/* ++ * drm_regman.c ++ */ ++ ++struct drm_reg { ++ struct list_head head; ++ struct drm_fence_object *fence; ++ uint32_t fence_type; ++ uint32_t new_fence_type; ++}; ++ ++struct drm_reg_manager { ++ struct list_head free; ++ struct list_head lru; ++ struct list_head unfenced; ++ ++ int (*reg_reusable)(const struct drm_reg *reg, const void *data); ++ void (*reg_destroy)(struct drm_reg *reg); ++}; ++ ++extern int drm_regs_alloc(struct drm_reg_manager *manager, ++ const void *data, ++ uint32_t fence_class, ++ uint32_t fence_type, ++ int interruptible, ++ int no_wait, ++ struct drm_reg **reg); ++ ++extern void drm_regs_fence(struct drm_reg_manager *regs, ++ struct drm_fence_object *fence); ++ ++extern void drm_regs_free(struct drm_reg_manager *manager); ++extern void drm_regs_add(struct drm_reg_manager *manager, struct drm_reg *reg); ++extern void drm_regs_init(struct drm_reg_manager *manager, ++ int (*reg_reusable)(const struct drm_reg *, ++ const void *), ++ void (*reg_destroy)(struct drm_reg *)); ++ ++extern int drm_mem_reg_ioremap(struct drm_device *dev, struct drm_bo_mem_reg * mem, ++ void **virtual); ++extern void drm_mem_reg_iounmap(struct drm_device *dev, struct drm_bo_mem_reg * mem, ++ void *virtual); ++/* ++ * drm_bo_lock.c ++ * Simple replacement for the hardware lock on buffer manager init and clean. ++ */ ++ ++ ++extern void drm_bo_init_lock(struct drm_bo_lock *lock); ++extern void drm_bo_read_unlock(struct drm_bo_lock *lock); ++extern int drm_bo_read_lock(struct drm_bo_lock *lock); ++extern int drm_bo_write_lock(struct drm_bo_lock *lock, ++ struct drm_file *file_priv); ++ ++extern int drm_bo_write_unlock(struct drm_bo_lock *lock, ++ struct drm_file *file_priv); ++ ++#ifdef CONFIG_DEBUG_MUTEXES ++#define DRM_ASSERT_LOCKED(_mutex) \ ++ BUG_ON(!mutex_is_locked(_mutex) || \ ++ ((_mutex)->owner != current_thread_info())) ++#else ++#define DRM_ASSERT_LOCKED(_mutex) ++#endif ++#endif +Index: linux-2.6.28/drivers/gpu/drm/drm_crtc.c +=================================================================== +--- linux-2.6.28.orig/drivers/gpu/drm/drm_crtc.c 2009-02-20 12:22:54.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/drm_crtc.c 2009-02-20 12:23:06.000000000 +0000 +@@ -807,6 +807,53 @@ + } + EXPORT_SYMBOL(drm_mode_config_init); + ++/** ++ * drm_get_buffer_object - find the buffer object for a given handle ++ * @dev: DRM device ++ * @bo: pointer to caller's buffer_object pointer ++ * @handle: handle to lookup ++ * ++ * LOCKING: ++ * Must take @dev's struct_mutex to protect buffer object lookup. ++ * ++ * Given @handle, lookup the buffer object in @dev and put it in the caller's ++ * @bo pointer. ++ * ++ * RETURNS: ++ * Zero on success, -EINVAL if the handle couldn't be found. ++ */ ++static int drm_get_buffer_object(struct drm_device *dev, struct drm_buffer_object **bo, unsigned long handle) ++{ ++ struct drm_user_object *uo; ++ struct drm_hash_item *hash; ++ int ret; ++ ++ *bo = NULL; ++ ++ mutex_lock(&dev->struct_mutex); ++ ret = drm_ht_find_item(&dev->object_hash, handle, &hash); ++ if (ret) { ++ DRM_ERROR("Couldn't find handle.\n"); ++ ret = -EINVAL; ++ goto out_err; ++ } ++ ++ uo = drm_hash_entry(hash, struct drm_user_object, hash); ++ if (uo->type != drm_buffer_type) { ++ ret = -EINVAL; ++ goto out_err; ++ } ++ ++ *bo = drm_user_object_entry(uo, struct drm_buffer_object, base); ++ ret = 0; ++out_err: ++ mutex_unlock(&dev->struct_mutex); ++ return ret; ++} ++ ++char drm_init_mode[32]; ++EXPORT_SYMBOL(drm_init_mode); ++ + int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) + { + uint32_t total_objects = 0; +@@ -1588,6 +1635,8 @@ + struct drm_mode_fb_cmd *r = data; + struct drm_mode_config *config = &dev->mode_config; + struct drm_framebuffer *fb; ++ struct drm_buffer_object *bo; ++ struct drm_crtc *crtc; + int ret = 0; + + if ((config->min_width > r->width) || (r->width > config->max_width)) { +@@ -1600,20 +1649,46 @@ + } + + mutex_lock(&dev->mode_config.mutex); ++ /* TODO check limits are okay */ ++ ret = drm_get_buffer_object(dev, &bo, r->handle); ++ if (ret || !bo) { ++ ret = -EINVAL; ++ goto out; ++ } + + /* TODO check buffer is sufficently large */ + /* TODO setup destructor callback */ + +- fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); ++ fb = kzalloc(sizeof(struct drm_framebuffer), GFP_KERNEL); ++ if (!fb) { ++ ret = -ENOMEM; ++ goto out; ++ } ++ ++ drm_framebuffer_init(dev, fb, NULL); + if (!fb) { + DRM_ERROR("could not create framebuffer\n"); + ret = -EINVAL; + goto out; + } + ++ fb->width = r->width; ++ fb->height = r->height; ++ fb->pitch = r->pitch; ++ fb->bits_per_pixel = r->bpp; ++ fb->depth = r->depth; ++ fb->offset = bo->offset; ++ fb->bo = bo; ++ + r->fb_id = fb->base.id; + list_add(&fb->filp_head, &file_priv->fbs); + ++ /* FIXME: bind the fb to the right crtc */ ++ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { ++ crtc->fb = fb; ++ dev->driver->fb_probe(dev, crtc); ++ } ++ + out: + mutex_unlock(&dev->mode_config.mutex); + return ret; +@@ -1669,8 +1744,10 @@ + /* TODO release all crtc connected to the framebuffer */ + /* TODO unhock the destructor from the buffer object */ + +- list_del(&fb->filp_head); +- fb->funcs->destroy(fb); ++ if (fb->bo->type != drm_bo_type_kernel) ++ drm_framebuffer_cleanup(fb); ++ else ++ dev->driver->fb_remove(dev, drm_crtc_from_fb(dev, fb)); + + out: + mutex_unlock(&dev->mode_config.mutex); +@@ -1716,7 +1793,7 @@ + r->depth = fb->depth; + r->bpp = fb->bits_per_pixel; + r->pitch = fb->pitch; +- fb->funcs->create_handle(fb, file_priv, &r->handle); ++ r->handle = fb->bo->base.hash.key; + + out: + mutex_unlock(&dev->mode_config.mutex); +@@ -1746,7 +1823,10 @@ + mutex_lock(&dev->mode_config.mutex); + list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { + list_del(&fb->filp_head); +- fb->funcs->destroy(fb); ++ if (fb->bo->type != drm_bo_type_kernel) ++ drm_framebuffer_cleanup(fb); ++ else ++ dev->driver->fb_remove(dev, drm_crtc_from_fb(dev, fb)); + } + mutex_unlock(&dev->mode_config.mutex); + } +Index: linux-2.6.28/include/drm/drm_crtc.h +=================================================================== +--- linux-2.6.28.orig/include/drm/drm_crtc.h 2009-02-20 12:22:53.000000000 +0000 ++++ linux-2.6.28/include/drm/drm_crtc.h 2009-02-20 12:23:06.000000000 +0000 +@@ -50,6 +50,8 @@ + uint32_t type; + }; + ++#include <drm/drm_objects.h> ++ + /* + * Note on terminology: here, for brevity and convenience, we refer to connector + * control chips as 'CRTCs'. They can control any type of connector, VGA, LVDS, +@@ -258,6 +260,9 @@ + int flags; + void *fbdev; + u32 pseudo_palette[17]; ++ unsigned long offset; ++ struct drm_buffer_object *bo; ++ struct drm_bo_kmap_obj kmap; + struct list_head filp_head; + }; + +Index: linux-2.6.28/drivers/gpu/drm/i915/intel_lvds.c +=================================================================== +--- linux-2.6.28.orig/drivers/gpu/drm/i915/intel_lvds.c 2009-02-20 12:22:54.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/i915/intel_lvds.c 2009-02-20 12:23:06.000000000 +0000 +@@ -36,6 +36,259 @@ + #include "i915_drm.h" + #include "i915_drv.h" + ++#include <acpi/acpi_drivers.h> ++ ++#define BLC_I2C_TYPE 0x01 ++#define BLC_PWM_TYPE 0x02 ++#define BRIGHTNESS_MASK 0xff ++#define BRIGHTNESS_MAX_LEVEL 100 ++#define BLC_POLARITY_NORMAL 0 ++#define BLC_POLARITY_INVERSE 1 ++#define BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xfffe) ++#define BACKLIGHT_PWM_CTL_SHIFT (16) ++#define BLC_MAX_PWM_REG_FREQ 0xfffe ++#define BLC_MIN_PWM_REG_FREQ 0x2 ++#define BLC_PWM_LEGACY_MODE_ENABLE 0x0001 ++#define BLC_PWM_PRECISION_FACTOR 10//10000000 ++#define BLC_PWM_FREQ_CALC_CONSTANT 32 ++#define MHz 1000000 ++#define OFFSET_OPREGION_VBT 0x400 ++ ++typedef struct OpRegion_Header ++{ ++ char sign[16]; ++ u32 size; ++ u32 over; ++ char sver[32]; ++ char vver[16]; ++ char gver[16]; ++ u32 mbox; ++ char rhd1[164]; ++} OpRegionRec, *OpRegionPtr; ++ ++struct vbt_header2 ++{ ++ char signature[20]; /**< Always starts with 'VBT$' */ ++ u16 version; /**< decimal */ ++ u16 header_size; /**< in bytes */ ++ u16 vbt_size; /**< in bytes */ ++ u8 vbt_checksum; ++ u8 reserved0; ++ u32 bdb_offset; /**< from beginning of VBT */ ++ u32 aim1_offset; /**< from beginning of VBT */ ++ u32 aim2_offset; /**< from beginning of VBT */ ++ u32 aim3_offset; /**< from beginning of VBT */ ++ u32 aim4_offset; /**< from beginning of VBT */ ++} __attribute__ ((packed)); ++ ++struct bdb_header2 ++{ ++ char signature[16]; /**< Always 'BIOS_DATA_BLOCK' */ ++ u16 version; /**< decimal */ ++ u16 header_size; /**< in bytes */ ++ u16 bdb_size; /**< in bytes */ ++} __attribute__ ((packed)); ++ ++#define LVDS_CAP_EDID (1 << 6) ++#define LVDS_CAP_DITHER (1 << 5) ++#define LVDS_CAP_PFIT_AUTO_RATIO (1 << 4) ++#define LVDS_CAP_PFIT_GRAPHICS_MODE (1 << 3) ++#define LVDS_CAP_PFIT_TEXT_MODE (1 << 2) ++#define LVDS_CAP_PFIT_GRAPHICS (1 << 1) ++#define LVDS_CAP_PFIT_TEXT (1 << 0) ++struct lvds_bdb_1 ++{ ++ u8 id; /**< 40 */ ++ u16 size; ++ u8 panel_type; ++ u8 reserved0; ++ u16 caps; ++} __attribute__ ((packed)); ++ ++struct lvds_bdb_2_fp_params ++{ ++ u16 x_res; ++ u16 y_res; ++ u32 lvds_reg; ++ u32 lvds_reg_val; ++ u32 pp_on_reg; ++ u32 pp_on_reg_val; ++ u32 pp_off_reg; ++ u32 pp_off_reg_val; ++ u32 pp_cycle_reg; ++ u32 pp_cycle_reg_val; ++ u32 pfit_reg; ++ u32 pfit_reg_val; ++ u16 terminator; ++} __attribute__ ((packed)); ++ ++struct lvds_bdb_2_fp_edid_dtd ++{ ++ u16 dclk; /**< In 10khz */ ++ u8 hactive; ++ u8 hblank; ++ u8 high_h; /**< 7:4 = hactive 11:8, 3:0 = hblank 11:8 */ ++ u8 vactive; ++ u8 vblank; ++ u8 high_v; /**< 7:4 = vactive 11:8, 3:0 = vblank 11:8 */ ++ u8 hsync_off; ++ u8 hsync_pulse_width; ++ u8 vsync_off; ++ u8 high_hsync_off; /**< 7:6 = hsync off 9:8 */ ++ u8 h_image; ++ u8 v_image; ++ u8 max_hv; ++ u8 h_border; ++ u8 v_border; ++ u8 flags; ++#define FP_EDID_FLAG_VSYNC_POSITIVE (1 << 2) ++#define FP_EDID_FLAG_HSYNC_POSITIVE (1 << 1) ++} __attribute__ ((packed)); ++ ++struct lvds_bdb_2_entry ++{ ++ u16 fp_params_offset; /**< From beginning of BDB */ ++ u8 fp_params_size; ++ u16 fp_edid_dtd_offset; ++ u8 fp_edid_dtd_size; ++ u16 fp_edid_pid_offset; ++ u8 fp_edid_pid_size; ++} __attribute__ ((packed)); ++ ++struct lvds_bdb_2 ++{ ++ u8 id; /**< 41 */ ++ u16 size; ++ u8 table_size; /* not sure on this one */ ++ struct lvds_bdb_2_entry panels[16]; ++} __attribute__ ((packed)); ++ ++ ++struct lvds_bdb_blc ++{ ++ u8 id; /**< 43 */ ++ u16 size; ++ u8 table_size; ++} __attribute__ ((packed)); ++ ++struct lvds_blc ++{ ++ u8 type:2; ++ u8 pol:1; ++ u8 gpio:3; ++ u8 gmbus:2; ++ u16 freq; ++ u8 minbrightness; ++ u8 i2caddr; ++ u8 brightnesscmd; ++ /* more... */ ++} __attribute__ ((packed)); ++ ++int drm_intel_ignore_acpi = 0; ++MODULE_PARM_DESC(ignore_acpi, "Ignore ACPI"); ++module_param_named(ignore_acpi, drm_intel_ignore_acpi, int, 0600); ++ ++uint8_t blc_type; ++uint8_t blc_pol; ++uint8_t blc_freq; ++uint8_t blc_minbrightness; ++uint8_t blc_i2caddr; ++uint8_t blc_brightnesscmd; ++int lvds_backlight; /* restore backlight to this value */ ++ ++struct intel_i2c_chan *lvds_i2c_bus; ++u32 CoreClock; ++u32 PWMControlRegFreq; ++ ++unsigned char * dev_OpRegion = NULL; ++unsigned int dev_OpRegionSize; ++ ++#define PCI_PORT5_REG80_FFUSE 0xD0058000 ++#define PCI_PORT5_REG80_MAXRES_INT_EN 0x0040 ++#define MAX_HDISPLAY 800 ++#define MAX_VDISPLAY 480 ++bool sku_bMaxResEnableInt = false; ++ ++/** Set BLC through I2C*/ ++static int ++LVDSI2CSetBacklight(struct drm_device *dev, unsigned char ch) ++{ ++ u8 out_buf[2]; ++ struct i2c_msg msgs[] = { ++ { ++ .addr = lvds_i2c_bus->slave_addr, ++ .flags = 0, ++ .len = 2, ++ .buf = out_buf, ++ } ++ }; ++ ++ DRM_INFO("LVDSI2CSetBacklight: the slave_addr is 0x%x, the backlight value is %d\n", lvds_i2c_bus->slave_addr, ch); ++ ++ out_buf[0] = blc_brightnesscmd; ++ out_buf[1] = ch; ++ ++ if (i2c_transfer(&lvds_i2c_bus->adapter, msgs, 1) == 1) ++ { ++ DRM_INFO("LVDSI2CSetBacklight: i2c_transfer done\n"); ++ return true; ++ } ++ ++ DRM_ERROR("msg: i2c_transfer error\n"); ++ return false; ++} ++ ++/** ++ * Calculate PWM control register value. ++ */ ++static int ++LVDSCalculatePWMCtrlRegFreq(struct drm_device *dev) ++{ ++ unsigned long value = 0; ++ ++ DRM_INFO("Enter LVDSCalculatePWMCtrlRegFreq.\n"); ++ if (blc_freq == 0) { ++ DRM_ERROR("LVDSCalculatePWMCtrlRegFreq: Frequency Requested is 0.\n"); ++ return FALSE; ++ } ++ value = (CoreClock * MHz); ++ value = (value / BLC_PWM_FREQ_CALC_CONSTANT); ++ value = (value * BLC_PWM_PRECISION_FACTOR); ++ value = (value / blc_freq); ++ value = (value / BLC_PWM_PRECISION_FACTOR); ++ ++ if (value > (unsigned long)BLC_MAX_PWM_REG_FREQ || ++ value < (unsigned long)BLC_MIN_PWM_REG_FREQ) { ++ return FALSE; ++ } else { ++ PWMControlRegFreq = ((u32)value & ~BLC_PWM_LEGACY_MODE_ENABLE); ++ return TRUE; ++ } ++} ++ ++/** ++ * Returns the maximum level of the backlight duty cycle field. ++ */ ++static u32 ++LVDSGetPWMMaxBacklight(struct drm_device *dev) ++{ ++ struct drm_i915_common_private *dev_priv_common = dev->dev_private; ++ u32 max_pwm_blc = 0; ++ ++ max_pwm_blc = ((I915_READ(BLC_PWM_CTL) & BACKLIGHT_MODULATION_FREQ_MASK) >> \ ++ BACKLIGHT_MODULATION_FREQ_SHIFT) * 2; ++ ++ if (!(max_pwm_blc & BLC_MAX_PWM_REG_FREQ)) { ++ if (LVDSCalculatePWMCtrlRegFreq(dev)) { ++ max_pwm_blc = PWMControlRegFreq; ++ } ++ } ++ ++ DRM_INFO("LVDSGetPWMMaxBacklight: the max_pwm_blc is %d.\n", max_pwm_blc); ++ return max_pwm_blc; ++} ++ ++ + /** + * Sets the backlight level. + * +@@ -43,12 +296,48 @@ + */ + static void intel_lvds_set_backlight(struct drm_device *dev, int level) + { +- struct drm_i915_private *dev_priv = dev->dev_private; ++ struct drm_i915_common_private *dev_priv_common = dev->dev_private; ++ /* + u32 blc_pwm_ctl; + + blc_pwm_ctl = I915_READ(BLC_PWM_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK; + I915_WRITE(BLC_PWM_CTL, (blc_pwm_ctl | + (level << BACKLIGHT_DUTY_CYCLE_SHIFT))); ++ */ ++ u32 newbacklight = 0; ++ ++ DRM_INFO("intel_lvds_set_backlight: the level is %d\n", level); ++ ++ if(blc_type == BLC_I2C_TYPE){ ++ newbacklight = BRIGHTNESS_MASK & ((unsigned long)level * \ ++ BRIGHTNESS_MASK /BRIGHTNESS_MAX_LEVEL); ++ ++ if (blc_pol == BLC_POLARITY_INVERSE) { ++ newbacklight = BRIGHTNESS_MASK - newbacklight; ++ } ++ ++ LVDSI2CSetBacklight(dev, newbacklight); ++ ++ } else if (blc_type == BLC_PWM_TYPE) { ++ u32 max_pwm_blc = LVDSGetPWMMaxBacklight(dev); ++ ++ u32 blc_pwm_duty_cycle; ++ ++ /* Provent LVDS going to total black */ ++ if ( level < 20) { ++ level = 20; ++ } ++ blc_pwm_duty_cycle = level * max_pwm_blc/BRIGHTNESS_MAX_LEVEL; ++ ++ if (blc_pol == BLC_POLARITY_INVERSE) { ++ blc_pwm_duty_cycle = max_pwm_blc - blc_pwm_duty_cycle; ++ } ++ ++ blc_pwm_duty_cycle &= BACKLIGHT_PWM_POLARITY_BIT_CLEAR; ++ ++ I915_WRITE(BLC_PWM_CTL, ++ (max_pwm_blc << BACKLIGHT_PWM_CTL_SHIFT)| (blc_pwm_duty_cycle)); ++ } + } + + /** +@@ -56,10 +345,13 @@ + */ + static u32 intel_lvds_get_max_backlight(struct drm_device *dev) + { +- struct drm_i915_private *dev_priv = dev->dev_private; ++ return BRIGHTNESS_MAX_LEVEL; ++ /* ++ struct drm_i915_common_private *dev_priv_common = dev->dev_private; + + return ((I915_READ(BLC_PWM_CTL) & BACKLIGHT_MODULATION_FREQ_MASK) >> + BACKLIGHT_MODULATION_FREQ_SHIFT) * 2; ++ */ + } + + /** +@@ -77,7 +369,7 @@ + pp_status = I915_READ(PP_STATUS); + } while ((pp_status & PP_ON) == 0); + +- intel_lvds_set_backlight(dev, dev_priv->backlight_duty_cycle); ++ intel_lvds_set_backlight(dev, lvds_backlight); + } else { + intel_lvds_set_backlight(dev, 0); + +@@ -93,6 +385,7 @@ + { + struct drm_device *dev = encoder->dev; + ++ DRM_INFO("intel_lvds_dpms: the mode is %d\n", mode); + if (mode == DRM_MODE_DPMS_ON) + intel_lvds_set_power(dev, true); + else +@@ -152,6 +445,13 @@ + return MODE_PANEL; + } + ++ if (IS_POULSBO(dev) && sku_bMaxResEnableInt) { ++ if (mode->hdisplay > MAX_HDISPLAY) ++ return MODE_PANEL; ++ if (mode->vdisplay > MAX_VDISPLAY) ++ return MODE_PANEL; ++ } ++ + return MODE_OK; + } + +@@ -185,20 +485,20 @@ + * with the panel scaling set up to source from the H/VDisplay + * of the original mode. + */ +- if (dev_priv->panel_fixed_mode != NULL) { +- adjusted_mode->hdisplay = dev_priv->panel_fixed_mode->hdisplay; ++ if (dev_priv_common->panel_fixed_mode != NULL) { ++ adjusted_mode->hdisplay = dev_priv_common->panel_fixed_mode->hdisplay; + adjusted_mode->hsync_start = +- dev_priv->panel_fixed_mode->hsync_start; ++ dev_priv_common->panel_fixed_mode->hsync_start; + adjusted_mode->hsync_end = +- dev_priv->panel_fixed_mode->hsync_end; +- adjusted_mode->htotal = dev_priv->panel_fixed_mode->htotal; +- adjusted_mode->vdisplay = dev_priv->panel_fixed_mode->vdisplay; ++ dev_priv_common->panel_fixed_mode->hsync_end; ++ adjusted_mode->htotal = dev_priv_common->panel_fixed_mode->htotal; ++ adjusted_mode->vdisplay = dev_priv_common->panel_fixed_mode->vdisplay; + adjusted_mode->vsync_start = +- dev_priv->panel_fixed_mode->vsync_start; ++ dev_priv_common->panel_fixed_mode->vsync_start; + adjusted_mode->vsync_end = +- dev_priv->panel_fixed_mode->vsync_end; +- adjusted_mode->vtotal = dev_priv->panel_fixed_mode->vtotal; +- adjusted_mode->clock = dev_priv->panel_fixed_mode->clock; ++ dev_priv_common->panel_fixed_mode->vsync_end; ++ adjusted_mode->vtotal = dev_priv_common->panel_fixed_mode->vtotal; ++ adjusted_mode->clock = dev_priv_common->panel_fixed_mode->clock; + drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); + } + +@@ -214,10 +514,10 @@ + static void intel_lvds_prepare(struct drm_encoder *encoder) + { + struct drm_device *dev = encoder->dev; +- struct drm_i915_private *dev_priv = dev->dev_private; ++ struct drm_i915_common_private *dev_priv_common = dev->dev_private; + +- dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL); +- dev_priv->backlight_duty_cycle = (dev_priv->saveBLC_PWM_CTL & ++ dev_priv_common->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL); ++ dev_priv_common->backlight_duty_cycle = (dev_priv_common->saveBLC_PWM_CTL & + BACKLIGHT_DUTY_CYCLE_MASK); + + intel_lvds_set_power(dev, false); +@@ -226,10 +526,11 @@ + static void intel_lvds_commit( struct drm_encoder *encoder) + { + struct drm_device *dev = encoder->dev; +- struct drm_i915_private *dev_priv = dev->dev_private; ++ struct drm_i915_common_private *dev_priv_common = dev->dev_private; + +- if (dev_priv->backlight_duty_cycle == 0) +- dev_priv->backlight_duty_cycle = ++ if (dev_priv_common->backlight_duty_cycle == 0) ++ //dev_priv_common->backlight_duty_cycle = ++ lvds_backlight = + intel_lvds_get_max_backlight(dev); + + intel_lvds_set_power(dev, true); +@@ -291,10 +592,12 @@ + { + struct drm_device *dev = connector->dev; + struct intel_output *intel_output = to_intel_output(connector); +- struct drm_i915_private *dev_priv = dev->dev_private; ++ struct drm_i915_common_private *dev_priv_common = dev->dev_private; + int ret = 0; + ++ mutex_lock(&dev->mode_config.mutex); + ret = intel_ddc_get_modes(intel_output); ++ mutex_unlock(&dev->mode_config.mutex); + + if (ret) + return ret; +@@ -308,11 +611,11 @@ + connector->display_info.min_hfreq = 0; + connector->display_info.max_hfreq = 200; + +- if (dev_priv->panel_fixed_mode != NULL) { ++ if (dev_priv_common->panel_fixed_mode != NULL) { + struct drm_display_mode *mode; + + mutex_unlock(&dev->mode_config.mutex); +- mode = drm_mode_duplicate(dev, dev_priv->panel_fixed_mode); ++ mode = drm_mode_duplicate(dev, dev_priv_common->panel_fixed_mode); + drm_mode_probed_add(connector, mode); + mutex_unlock(&dev->mode_config.mutex); + +@@ -333,8 +636,11 @@ + { + struct intel_output *intel_output = to_intel_output(connector); + ++ if(dev_OpRegion != NULL) ++ iounmap(dev_OpRegion); + if (intel_output->ddc_bus) + intel_i2c_destroy(intel_output->ddc_bus); ++ intel_i2c_destroy(lvds_i2c_bus); + drm_sysfs_connector_remove(connector); + drm_connector_cleanup(connector); + kfree(connector); +@@ -373,7 +679,45 @@ + }; + + +- ++int intel_get_acpi_dod(char *method) ++{ ++ int status; ++ int found = 0; ++ int i; ++ struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; ++ union acpi_object *dod = NULL; ++ union acpi_object *obj; ++ ++ status = acpi_evaluate_object(NULL, method, NULL, &buffer); ++ if (ACPI_FAILURE(status)) ++ return -ENODEV; ++ ++ dod = buffer.pointer; ++ if (!dod || (dod->type != ACPI_TYPE_PACKAGE)) { ++ status = -EFAULT; ++ goto out; ++ } ++ ++ DRM_DEBUG("Found %d video heads in _DOD\n", dod->package.count); ++ ++ for (i = 0; i < dod->package.count; i++) { ++ obj = &dod->package.elements[i]; ++ ++ if (obj->type != ACPI_TYPE_INTEGER) { ++ DRM_DEBUG("Invalid _DOD data\n"); ++ } else { ++ DRM_DEBUG("dod element[%d] = 0x%x\n", i, ++ (int)obj->integer.value); ++ ++ /* look for an LVDS type */ ++ if (obj->integer.value & 0x00000400) ++ found = 1; ++ } ++ } ++ out: ++ kfree(buffer.pointer); ++ return found; ++} + /** + * intel_lvds_init - setup LVDS connectors on this device + * @dev: drm device +@@ -383,7 +727,7 @@ + */ + void intel_lvds_init(struct drm_device *dev) + { +- struct drm_i915_private *dev_priv = dev->dev_private; ++ struct drm_i915_common_private *dev_priv_common = dev->dev_private; + struct intel_output *intel_output; + struct drm_connector *connector; + struct drm_encoder *encoder; +@@ -391,12 +735,38 @@ + struct drm_crtc *crtc; + u32 lvds; + int pipe; ++ u32 OpRegion_Phys; ++ unsigned int OpRegion_Size = 0x100; ++ OpRegionPtr OpRegion; ++ char *OpRegion_String = "IntelGraphicsMem"; ++ struct pci_dev * pci_root = pci_get_bus_and_slot(0, 0); ++ u32 clock; ++ u32 sku_value = 0; ++ unsigned int CoreClocks[] = { ++ 100, ++ 133, ++ 150, ++ 178, ++ 200, ++ 266, ++ 266, ++ 266 ++ }; ++ struct vbt_header *vbt; ++ struct bdb_header *bdb; ++ int vbt_off, bdb_off, bdb_block_off, block_size; ++ int panel_type = -1; ++ unsigned char *bios; ++ unsigned char *vbt_buf; + + intel_output = kzalloc(sizeof(struct intel_output), GFP_KERNEL); + if (!intel_output) { + return; + } + ++ //if (!drm_intel_ignore_acpi && !intel_get_acpi_dod(ACPI_DOD)) ++ // return; ++ + connector = &intel_output->base; + encoder = &intel_output->enc; + drm_connector_init(dev, &intel_output->base, &intel_lvds_connector_funcs, +@@ -414,16 +784,139 @@ + connector->interlace_allowed = false; + connector->doublescan_allowed = false; + ++ //initialize the I2C bus and BLC data ++ lvds_i2c_bus = intel_i2c_create(dev, GPIOB, "LVDSBLC_B"); ++ if (!lvds_i2c_bus) { ++ dev_printk(KERN_ERR, &dev->pdev->dev, "i2c bus registration " ++ "failed.\n"); ++ return; ++ } ++ lvds_i2c_bus->slave_addr = 0x2c;//0x58; ++ lvds_backlight = BRIGHTNESS_MAX_LEVEL; ++ blc_type = 0; ++ blc_pol = 0; + +- /* +- * LVDS discovery: +- * 1) check for EDID on DDC +- * 2) check for VBT data +- * 3) check to see if LVDS is already on +- * if none of the above, no panel +- * 4) make sure lid is open +- * if closed, act like it's not there for now +- */ ++ //get the BLC init data from VBT ++ ++ ++ ++ ++ pci_read_config_dword(dev->pdev, 0xFC, &OpRegion_Phys); ++ ++ dev_OpRegion = ioremap(OpRegion_Phys, OpRegion_Size); ++ dev_OpRegionSize = OpRegion_Size; ++ ++ OpRegion = (OpRegionPtr) dev_OpRegion; ++ ++ if (!memcmp(OpRegion->sign, OpRegion_String, 16)) { ++ unsigned int OpRegion_NewSize; ++ ++ OpRegion_NewSize = OpRegion->size * 1024; ++ ++ dev_OpRegionSize = OpRegion_NewSize; ++ ++ iounmap(dev_OpRegion); ++ dev_OpRegion = ioremap(OpRegion_Phys, OpRegion_NewSize); ++ } else { ++ iounmap(dev_OpRegion); ++ dev_OpRegion = NULL; ++ } ++ ++ if((dev_OpRegion != NULL)&&(dev_OpRegionSize >= OFFSET_OPREGION_VBT)) { ++ DRM_INFO("intel_lvds_init: OpRegion has the VBT address\n"); ++ vbt_buf = dev_OpRegion + OFFSET_OPREGION_VBT; ++ vbt = (struct vbt_header *)(dev_OpRegion + OFFSET_OPREGION_VBT); ++ } else { ++ DRM_INFO("intel_lvds_init: No OpRegion, use the bios at fixed address 0xc0000\n"); ++ bios = phys_to_virt(0xC0000); ++ if(*((u16 *)bios) != 0xAA55){ ++ bios = NULL; ++ DRM_ERROR("the bios is incorrect\n"); ++ goto blc_out; ++ } ++ vbt_off = bios[0x1a] | (bios[0x1a + 1] << 8); ++ DRM_INFO("intel_lvds_init: the vbt off is %x\n", vbt_off); ++ vbt_buf = bios + vbt_off; ++ vbt = (struct vbt_header *)(bios + vbt_off); ++ } ++ ++ bdb_off = vbt->bdb_offset; ++ bdb = (struct bdb_header *)(vbt_buf + bdb_off); ++ ++ DRM_INFO("intel_lvds_init: The bdb->signature is %s, the bdb_off is %d\n",bdb->signature, bdb_off); ++ ++ if (memcmp(bdb->signature, "BIOS_DATA_BLOCK ", 16) != 0) { ++ DRM_ERROR("the vbt is error\n"); ++ goto blc_out; ++ } ++ ++ for (bdb_block_off = bdb->header_size; bdb_block_off < bdb->bdb_size; ++ bdb_block_off += block_size) { ++ int start = bdb_off + bdb_block_off; ++ int id, num_entries; ++ struct lvds_bdb_1 *lvds1; ++ struct lvds_blc *lvdsblc; ++ struct lvds_bdb_blc *bdbblc; ++ ++ id = vbt_buf[start]; ++ block_size = (vbt_buf[start + 1] | (vbt_buf[start + 2] << 8)) + 3; ++ switch (id) { ++ case 40: ++ lvds1 = (struct lvds_bdb_1 *)(vbt_buf+ start); ++ panel_type = lvds1->panel_type; ++ //if (lvds1->caps & LVDS_CAP_DITHER) ++ // *panelWantsDither = TRUE; ++ break; ++ ++ case 43: ++ bdbblc = (struct lvds_bdb_blc *)(vbt_buf + start); ++ num_entries = bdbblc->table_size? (bdbblc->size - \ ++ sizeof(bdbblc->table_size))/bdbblc->table_size : 0; ++ if (num_entries << 16 && bdbblc->table_size == sizeof(struct lvds_blc)) { ++ lvdsblc = (struct lvds_blc *)(vbt_buf + start + sizeof(struct lvds_bdb_blc)); ++ lvdsblc += panel_type; ++ blc_type = lvdsblc->type; ++ blc_pol = lvdsblc->pol; ++ blc_freq = lvdsblc->freq; ++ blc_minbrightness = lvdsblc->minbrightness; ++ blc_i2caddr = lvdsblc->i2caddr; ++ blc_brightnesscmd = lvdsblc->brightnesscmd; ++ DRM_INFO("intel_lvds_init: BLC Data in BIOS VBT tables: datasize=%d paneltype=%d \ ++ type=0x%02x pol=0x%02x freq=0x%04x minlevel=0x%02x \ ++ i2caddr=0x%02x cmd=0x%02x \n", ++ 0, ++ panel_type, ++ lvdsblc->type, ++ lvdsblc->pol, ++ lvdsblc->freq, ++ lvdsblc->minbrightness, ++ lvdsblc->i2caddr, ++ lvdsblc->brightnesscmd); ++ } ++ break; ++ } ++ } ++ ++ //get the Core Clock for calculating MAX PWM value ++ //check whether the MaxResEnableInt is ++ ++ if(pci_root) ++ { ++ pci_write_config_dword(pci_root, 0xD0, 0xD0050300); ++ pci_read_config_dword(pci_root, 0xD4, &clock); ++ CoreClock = CoreClocks[clock & 0x07]; ++ DRM_INFO("intel_lvds_init: the CoreClock is %d\n", CoreClock); ++ ++ pci_write_config_dword(pci_root, 0xD0, PCI_PORT5_REG80_FFUSE); ++ pci_read_config_dword(pci_root, 0xD4, &sku_value); ++ sku_bMaxResEnableInt = (sku_value & PCI_PORT5_REG80_MAXRES_INT_EN)? true : false; ++ DRM_INFO("intel_lvds_init: sku_value is 0x%08x\n", sku_value); ++ DRM_INFO("intel_lvds_init: sku_bMaxResEnableInt is %d\n", sku_bMaxResEnableInt); ++ } ++ ++ ++ ++blc_out: + + /* Set up the DDC bus. */ + intel_output->ddc_bus = intel_i2c_create(dev, GPIOC, "LVDSDDC_C"); +@@ -437,12 +930,14 @@ + * Attempt to get the fixed panel mode from DDC. Assume that the + * preferred mode is the right one. + */ ++ mutex_lock(&dev->mode_config.mutex); + intel_ddc_get_modes(intel_output); ++ mutex_unlock(&dev->mode_config.mutex); + + list_for_each_entry(scan, &connector->probed_modes, head) { + mutex_lock(&dev->mode_config.mutex); + if (scan->type & DRM_MODE_TYPE_PREFERRED) { +- dev_priv->panel_fixed_mode = ++ dev_priv_common->panel_fixed_mode = + drm_mode_duplicate(dev, scan); + mutex_unlock(&dev->mode_config.mutex); + goto out; /* FIXME: check for quirks */ +@@ -450,21 +945,6 @@ + mutex_unlock(&dev->mode_config.mutex); + } + +- /* Failed to get EDID, what about VBT? */ +- if (dev_priv->vbt_mode) { +- mutex_lock(&dev->mode_config.mutex); +- dev_priv->panel_fixed_mode = +- drm_mode_duplicate(dev, dev_priv->vbt_mode); +- mutex_unlock(&dev->mode_config.mutex); +- if (dev_priv->panel_fixed_mode) { +- dev_priv->panel_fixed_mode->type |= +- DRM_MODE_TYPE_PREFERRED; +- drm_mode_probed_add(connector, +- dev_priv->panel_fixed_mode); +- goto out; +- } +- } +- + /* + * If we didn't get EDID, try checking if the panel is already turned + * on. If so, assume that whatever is currently programmed is the +Index: linux-2.6.28/drivers/gpu/drm/i915/intel_sdvo.c +=================================================================== +--- linux-2.6.28.orig/drivers/gpu/drm/i915/intel_sdvo.c 2009-02-20 12:22:54.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/i915/intel_sdvo.c 2009-02-20 12:23:06.000000000 +0000 +@@ -37,6 +37,9 @@ + + #undef SDVO_DEBUG + ++#define PCI_PORT5_REG80_FFUSE 0xD0058000 ++#define PCI_PORT5_REG80_SDVO_DISABLE 0x0020 ++ + struct intel_sdvo_priv { + struct intel_i2c_chan *i2c_bus; + int slaveaddr; +@@ -989,6 +992,21 @@ + int i; + int encoder_type, output_id; + ++ if (IS_POULSBO(dev)) { ++ struct pci_dev * pci_root = pci_get_bus_and_slot(0, 0); ++ u32 sku_value = 0; ++ bool sku_bSDVOEnable = true; ++ if(pci_root) { ++ pci_write_config_dword(pci_root, 0xD0, PCI_PORT5_REG80_FFUSE); ++ pci_read_config_dword(pci_root, 0xD4, &sku_value); ++ sku_bSDVOEnable = (sku_value & PCI_PORT5_REG80_SDVO_DISABLE)?false : true; ++ DRM_INFO("intel_sdvo_init: sku_value is 0x%08x\n", sku_value); ++ DRM_INFO("intel_sdvo_init: sku_bSDVOEnable is %d\n", sku_bSDVOEnable); ++ if (sku_bSDVOEnable == false) ++ return false; ++ } ++ } ++ + intel_output = kcalloc(sizeof(struct intel_output)+sizeof(struct intel_sdvo_priv), 1, GFP_KERNEL); + if (!intel_output) { + return false; +Index: linux-2.6.28/drivers/gpu/drm/psb/psb_priv.h +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/psb/psb_priv.h 2009-02-20 12:23:06.000000000 +0000 +@@ -0,0 +1,181 @@ ++#include "psb_drm.h" ++#include "psb_reg.h" ++#include "psb_schedule.h" ++#include "../i915/i915_common.h" ++ ++#define DRM_DRIVER_PRIVATE_T struct drm_i915_common_private ++ ++struct drm_psb_uopt { ++ int clock_gating; ++}; ++ ++struct drm_psb_private { ++ /* common is assumed to be the first item in this structure */ ++ struct drm_i915_common_private common; ++ ++ unsigned long chipset; ++ uint8_t psb_rev_id; ++ ++ struct psb_xhw_buf resume_buf; ++ struct drm_psb_dev_info_arg dev_info; ++ struct drm_psb_uopt uopt; ++ ++ struct psb_gtt *pg; ++ ++ struct page *scratch_page; ++ struct page *comm_page; ++ ++ volatile uint32_t *comm; ++ uint32_t comm_mmu_offset; ++ uint32_t mmu_2d_offset; ++ uint32_t sequence[PSB_NUM_ENGINES]; ++ uint32_t last_sequence[PSB_NUM_ENGINES]; ++ int idle[PSB_NUM_ENGINES]; ++ uint32_t last_submitted_seq[PSB_NUM_ENGINES]; ++ int engine_lockup_2d; ++ ++ /** Protects user_irq_refcount and irq_mask_reg */ ++ spinlock_t user_irq_lock; ++ u32 pipestat[2]; ++ ++ struct psb_mmu_driver *mmu; ++ struct psb_mmu_pd *pf_pd; ++ ++ uint8_t *sgx_reg; ++ //uint8_t *vdc_reg; ++ uint8_t *msvdx_reg; ++ ++ /* ++ * MSVDX ++ */ ++ int msvdx_needs_reset; ++ int has_msvdx; ++ uint32_t gatt_free_offset; ++ atomic_t msvdx_mmu_invaldc; ++ ++ /* ++ * Fencing / irq. ++ */ ++ ++ uint32_t sgx_irq_mask; ++ uint32_t sgx2_irq_mask; ++ uint32_t vdc_irq_mask; ++ ++ spinlock_t irqmask_lock; ++ spinlock_t sequence_lock; ++ int fence0_irq_on; ++ int irq_enabled; ++ unsigned int irqen_count_2d; ++ wait_queue_head_t event_2d_queue; ++ ++ wait_queue_head_t queue_2d; ++ atomic_t lock_2d; ++ atomic_t ta_wait_2d; ++ atomic_t ta_wait_2d_irq; ++ atomic_t waiters_2d; ++ ++ uint32_t msvdx_current_sequence; ++ uint32_t msvdx_last_sequence; ++#define MSVDX_MAX_IDELTIME HZ*30 ++ uint32_t msvdx_finished_sequence; ++ uint32_t msvdx_start_idle; ++ unsigned long msvdx_idle_start_jiffies; ++ ++ int fence2_irq_on; ++ ++ /* ++ * MSVDX Rendec Memory ++ */ ++ struct drm_buffer_object *ccb0; ++ uint32_t base_addr0; ++ struct drm_buffer_object *ccb1; ++ uint32_t base_addr1; ++ ++ /* ++ * Memory managers ++ */ ++ ++ int have_vram; ++ int have_tt; ++ int have_mem_mmu; ++ int have_mem_aper; ++ int have_mem_kernel; ++ int have_mem_pds; ++ int have_mem_rastgeom; ++ struct mutex temp_mem; ++ ++ /* ++ * Relocation buffer mapping. ++ */ ++ ++ spinlock_t reloc_lock; ++ unsigned int rel_mapped_pages; ++ wait_queue_head_t rel_mapped_queue; ++ ++ /* ++ * Register state ++ */ ++ uint32_t saveCLOCKGATING; ++ ++ /* ++ * USE code base register management. ++ */ ++ ++ struct drm_reg_manager use_manager; ++ ++ /* ++ * Xhw ++ */ ++ ++ uint32_t *xhw; ++ struct drm_buffer_object *xhw_bo; ++ struct drm_bo_kmap_obj xhw_kmap; ++ struct list_head xhw_in; ++ spinlock_t xhw_lock; ++ atomic_t xhw_client; ++ struct drm_file *xhw_file; ++ wait_queue_head_t xhw_queue; ++ wait_queue_head_t xhw_caller_queue; ++ struct mutex xhw_mutex; ++ struct psb_xhw_buf *xhw_cur_buf; ++ int xhw_submit_ok; ++ int xhw_on; ++ ++ /* ++ * Scheduling. ++ */ ++ ++ struct mutex reset_mutex; ++ struct mutex cmdbuf_mutex; ++ struct psb_scheduler scheduler; ++ struct psb_buflist_item *buffers; ++ uint32_t ta_mem_pages; ++ struct psb_ta_mem *ta_mem; ++ int force_ta_mem_load; ++ ++ /* ++ * Watchdog ++ */ ++ ++ spinlock_t watchdog_lock; ++ struct timer_list watchdog_timer; ++ struct work_struct watchdog_wq; ++ struct work_struct msvdx_watchdog_wq; ++ int timer_available; ++ ++ /* ++ * msvdx command queue ++ */ ++ spinlock_t msvdx_lock; ++ struct mutex msvdx_mutex; ++ struct list_head msvdx_queue; ++ int msvdx_busy; ++ ++}; ++ ++ ++extern void intel_modeset_init(struct drm_device *dev); ++extern void intel_modeset_cleanup(struct drm_device *dev); ++ ++extern void intel_crtc_mode_restore(struct drm_crtc *crtc); ++extern void intel_crtc_mode_save(struct drm_crtc *crtc); +Index: linux-2.6.28/drivers/gpu/drm/i915/intel_display.c +=================================================================== +--- linux-2.6.28.orig/drivers/gpu/drm/i915/intel_display.c 2009-02-20 12:22:54.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/i915/intel_display.c 2009-02-20 12:23:06.000000000 +0000 +@@ -342,60 +342,25 @@ + /* Wait for 20ms, i.e. one cycle at 50hz. */ + udelay(20000); + } ++EXPORT_SYMBOL(intel_wait_for_vblank); + + static void + intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, + struct drm_framebuffer *old_fb) + { + struct drm_device *dev = crtc->dev; +- struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_master_private *master_priv; ++ struct drm_i915_common_private *dev_priv_common = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); +- struct intel_framebuffer *intel_fb; +- struct drm_i915_gem_object *obj_priv; +- struct drm_gem_object *obj; + int pipe = intel_crtc->pipe; + unsigned long Start, Offset; + int dspbase = (pipe == 0 ? DSPAADDR : DSPBADDR); + int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF); + int dspstride = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE; + int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR; +- u32 dspcntr, alignment; +- +- /* no fb bound */ +- if (!crtc->fb) { +- DRM_DEBUG("No FB bound\n"); +- return; +- } +- +- intel_fb = to_intel_framebuffer(crtc->fb); +- obj = intel_fb->obj; +- obj_priv = obj->driver_private; +- +- switch (obj_priv->tiling_mode) { +- case I915_TILING_NONE: +- alignment = 64 * 1024; +- break; +- case I915_TILING_X: +- if (IS_I9XX(dev)) +- alignment = 1024 * 1024; +- else +- alignment = 512 * 1024; +- break; +- case I915_TILING_Y: +- /* FIXME: Is this true? */ +- DRM_ERROR("Y tiled not allowed for scan out buffers\n"); +- return; +- default: +- BUG(); +- } ++ u32 dspcntr; + +- if (i915_gem_object_pin(intel_fb->obj, alignment)) +- return; +- +- i915_gem_object_set_to_gtt_domain(intel_fb->obj, 1); +- +- Start = obj_priv->gtt_offset; ++ Start = crtc->fb->offset; + Offset = y * crtc->fb->pitch + x * (crtc->fb->bits_per_pixel / 8); + + I915_WRITE(dspstride, crtc->fb->pitch); +@@ -434,13 +399,6 @@ + I915_READ(dspbase); + } + +- intel_wait_for_vblank(dev); +- +- if (old_fb) { +- intel_fb = to_intel_framebuffer(old_fb); +- i915_gem_object_unpin(intel_fb->obj); +- } +- + if (!dev->primary->master) + return; + +@@ -642,7 +600,7 @@ + return 400000; + else if (IS_I915G(dev)) + return 333000; +- else if (IS_I945GM(dev) || IS_845G(dev)) ++ else if (IS_I945GM(dev) || IS_POULSBO(dev) || IS_845G(dev)) + return 200000; + else if (IS_I915GM(dev)) { + u16 gcfgc = 0; +@@ -786,13 +744,15 @@ + + dpll = DPLL_VGA_MODE_DIS; + if (IS_I9XX(dev)) { +- if (is_lvds) ++ if (is_lvds) { + dpll |= DPLLB_MODE_LVDS; +- else ++ if (IS_POULSBO(dev)) ++ dpll |= DPLL_DVO_HIGH_SPEED; ++ } else + dpll |= DPLLB_MODE_DAC_SERIAL; + if (is_sdvo) { + dpll |= DPLL_DVO_HIGH_SPEED; +- if (IS_I945G(dev) || IS_I945GM(dev)) { ++ if (IS_I945G(dev) || IS_I945GM(dev) || IS_POULSBO(dev)) { + int sdvo_pixel_multiply = adjusted_mode->clock / mode->clock; + dpll |= (sdvo_pixel_multiply - 1) << SDVO_MULTIPLIER_SHIFT_HIRES; + } +@@ -959,7 +919,7 @@ + void intel_crtc_load_lut(struct drm_crtc *crtc) + { + struct drm_device *dev = crtc->dev; +- struct drm_i915_private *dev_priv = dev->dev_private; ++ struct drm_i915_common_private *dev_priv_common = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + int palreg = (intel_crtc->pipe == 0) ? PALETTE_A : PALETTE_B; + int i; +@@ -1021,7 +981,7 @@ + ret = -ENOMEM; + goto fail; + } +- ++#if 0 + /* we only need to pin inside GTT if cursor is non-phy */ + if (!dev_priv->cursor_needs_physical) { + ret = i915_gem_object_pin(bo, PAGE_SIZE); +@@ -1038,7 +998,7 @@ + } + addr = obj_priv->phys_obj->handle->busaddr; + } +- ++#endif + temp = 0; + /* set the pipe for the cursor */ + temp |= (pipe << 28); +@@ -1049,6 +1009,7 @@ + I915_WRITE(base, addr); + + if (intel_crtc->cursor_bo) { ++#if 0 + if (dev_priv->cursor_needs_physical) { + if (intel_crtc->cursor_bo != bo) + i915_gem_detach_phys_object(dev, intel_crtc->cursor_bo); +@@ -1057,6 +1018,7 @@ + mutex_lock(&dev->struct_mutex); + drm_gem_object_unreference(intel_crtc->cursor_bo); + mutex_unlock(&dev->struct_mutex); ++#endif + } + + intel_crtc->cursor_addr = addr; +@@ -1456,7 +1418,8 @@ + { + struct drm_connector *connector; + +- intel_crt_init(dev); ++ if (!IS_POULSBO(dev)) ++ intel_crt_init(dev); + + /* Set up integrated LVDS */ + if (IS_MOBILE(dev) && !IS_I830(dev)) +@@ -1472,12 +1435,9 @@ + found = intel_sdvo_init(dev, SDVOC); + if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) + intel_hdmi_init(dev, SDVOC); +- } else ++ } else + intel_dvo_init(dev); + +- if (IS_I9XX(dev) && IS_MOBILE(dev)) +- intel_tv_init(dev); +- + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + struct intel_output *intel_output = to_intel_output(connector); + struct drm_encoder *encoder = &intel_output->enc; +@@ -1525,8 +1485,8 @@ + struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); + struct drm_device *dev = fb->dev; + +- if (fb->fbdev) +- intelfb_remove(dev, fb); ++ //if (fb->fbdev) ++ // intelfb_remove(dev, fb); + + drm_framebuffer_cleanup(fb); + mutex_lock(&dev->struct_mutex); +@@ -1603,7 +1563,7 @@ + + static const struct drm_mode_config_funcs intel_mode_funcs = { + .fb_create = intel_user_framebuffer_create, +- .fb_changed = intelfb_probe, ++// .fb_changed = intelfb_probe, + }; + + void intel_modeset_init(struct drm_device *dev) +Index: linux-2.6.28/drivers/gpu/drm/i915/i915_irq.c +=================================================================== +--- linux-2.6.28.orig/drivers/gpu/drm/i915/i915_irq.c 2009-02-20 12:22:54.000000000 +0000 ++++ linux-2.6.28/drivers/gpu/drm/i915/i915_irq.c 2009-02-20 12:23:06.000000000 +0000 +@@ -536,6 +536,7 @@ + + int i915_driver_irq_postinstall(struct drm_device *dev) + { ++ struct drm_i915_common_private *dev_priv_common = dev->dev_private; + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + + dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B; |