summaryrefslogtreecommitdiff
path: root/meta/packages/linux/linux-moblin-2.6.27-rc6/0006-i915-Track-progress-inside-of-batchbuffers-for-dete.patch
diff options
context:
space:
mode:
authorSamuel Ortiz <sameo@openedhand.com>2008-10-09 17:00:45 +0000
committerSamuel Ortiz <sameo@openedhand.com>2008-10-09 17:00:45 +0000
commitd89d52d3ec86cf95dd93bb78c9b0ab537200e180 (patch)
treeac2667cd2ffa466be3f333c032045b9e3a8805d2 /meta/packages/linux/linux-moblin-2.6.27-rc6/0006-i915-Track-progress-inside-of-batchbuffers-for-dete.patch
parent3d40acdf3e5e6d7da75862fa309b58f0d555141a (diff)
downloadopenembedded-core-d89d52d3ec86cf95dd93bb78c9b0ab537200e180.tar.gz
openembedded-core-d89d52d3ec86cf95dd93bb78c9b0ab537200e180.tar.bz2
openembedded-core-d89d52d3ec86cf95dd93bb78c9b0ab537200e180.tar.xz
openembedded-core-d89d52d3ec86cf95dd93bb78c9b0ab537200e180.zip
linux-moblin: 2.6.27-rc6 kernel
That includes the fastboot patches. An eee boots in 10s with that kernel. git-svn-id: https://svn.o-hand.com/repos/poky/trunk@5470 311d38ba-8fff-0310-9ca6-ca027cbcb966
Diffstat (limited to 'meta/packages/linux/linux-moblin-2.6.27-rc6/0006-i915-Track-progress-inside-of-batchbuffers-for-dete.patch')
-rw-r--r--meta/packages/linux/linux-moblin-2.6.27-rc6/0006-i915-Track-progress-inside-of-batchbuffers-for-dete.patch46
1 files changed, 46 insertions, 0 deletions
diff --git a/meta/packages/linux/linux-moblin-2.6.27-rc6/0006-i915-Track-progress-inside-of-batchbuffers-for-dete.patch b/meta/packages/linux/linux-moblin-2.6.27-rc6/0006-i915-Track-progress-inside-of-batchbuffers-for-dete.patch
new file mode 100644
index 000000000..8736250f0
--- /dev/null
+++ b/meta/packages/linux/linux-moblin-2.6.27-rc6/0006-i915-Track-progress-inside-of-batchbuffers-for-dete.patch
@@ -0,0 +1,46 @@
+commit 1236e8610ab9c6f9f8297e60530bedb2640c7224
+Author: Keith Packard <keithp@keithp.com>
+Date: Wed Jul 30 12:21:20 2008 -0700
+
+ i915: Track progress inside of batchbuffers for determining wedgedness.
+
+ This avoids early termination for long-running commands.
+
+ Signed-off-by: Eric Anholt <eric@anholt.net>
+ Signed-off-by: Dave Airlie <airlied@redhat.com>
+
+diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
+index 10bfb0c..4c72a01 100644
+--- a/drivers/gpu/drm/i915/i915_dma.c
++++ b/drivers/gpu/drm/i915/i915_dma.c
+@@ -40,11 +40,15 @@ int i915_wait_ring(struct drm_device * dev, int n, const char *caller)
+ {
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ drm_i915_ring_buffer_t *ring = &(dev_priv->ring);
++ u32 acthd_reg = IS_I965G(dev) ? ACTHD_I965 : ACTHD;
++ u32 last_acthd = I915_READ(acthd_reg);
++ u32 acthd;
+ u32 last_head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
+ int i;
+
+- for (i = 0; i < 10000; i++) {
++ for (i = 0; i < 100000; i++) {
+ ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
++ acthd = I915_READ(acthd_reg);
+ ring->space = ring->head - (ring->tail + 8);
+ if (ring->space < 0)
+ ring->space += ring->Size;
+@@ -55,8 +59,13 @@ int i915_wait_ring(struct drm_device * dev, int n, const char *caller)
+
+ if (ring->head != last_head)
+ i = 0;
++ if (acthd != last_acthd)
++ i = 0;
+
+ last_head = ring->head;
++ last_acthd = acthd;
++ msleep_interruptible(10);
++
+ }
+
+ return -EBUSY;