diff options
Diffstat (limited to 'meta-moblin/packages/linux/linux-moblin-2.6.31.5/linux-2.6.29-kms-edid-cache.patch')
-rw-r--r-- | meta-moblin/packages/linux/linux-moblin-2.6.31.5/linux-2.6.29-kms-edid-cache.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/meta-moblin/packages/linux/linux-moblin-2.6.31.5/linux-2.6.29-kms-edid-cache.patch b/meta-moblin/packages/linux/linux-moblin-2.6.31.5/linux-2.6.29-kms-edid-cache.patch new file mode 100644 index 000000000..47e5b16a2 --- /dev/null +++ b/meta-moblin/packages/linux/linux-moblin-2.6.31.5/linux-2.6.29-kms-edid-cache.patch @@ -0,0 +1,58 @@ +diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h +index 004541c..b218780 100644 +--- a/drivers/gpu/drm/i915/intel_drv.h ++++ b/drivers/gpu/drm/i915/intel_drv.h +@@ -81,6 +81,7 @@ struct intel_output { + int type; + struct i2c_adapter *i2c_bus; + struct i2c_adapter *ddc_bus; ++ struct edid *edid; + bool load_detect_temp; + bool needs_tv_clock; + void *dev_priv; +diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c +index 9ab38ef..9fba800 100644 +--- a/drivers/gpu/drm/i915/intel_lvds.c ++++ b/drivers/gpu/drm/i915/intel_lvds.c +@@ -657,6 +657,7 @@ static void intel_lvds_destroy(struct drm_connector *connector) + intel_i2c_destroy(intel_output->ddc_bus); + drm_sysfs_connector_remove(connector); + drm_connector_cleanup(connector); ++ kfree(intel_output->edid); + kfree(connector); + } + +@@ -1017,5 +1018,6 @@ failed: + if (intel_output->ddc_bus) + intel_i2c_destroy(intel_output->ddc_bus); + drm_connector_cleanup(connector); ++ kfree(intel_output->edid); + kfree(intel_output); + } +diff --git a/drivers/gpu/drm/i915/intel_modes.c b/drivers/gpu/drm/i915/intel_modes.c +index 67e2f46..5ac537f 100644 +--- a/drivers/gpu/drm/i915/intel_modes.c ++++ b/drivers/gpu/drm/i915/intel_modes.c +@@ -74,6 +74,10 @@ int intel_ddc_get_modes(struct intel_output *intel_output) + int ret = 0; + + intel_i2c_quirk_set(intel_output->base.dev, true); ++ if (intel_output->edid && intel_output->type == INTEL_OUTPUT_LVDS) { ++ printk(KERN_INFO "Skipping EDID probe due to cached edid\n"); ++ return ret; ++ } + edid = drm_get_edid(&intel_output->base, intel_output->ddc_bus); + intel_i2c_quirk_set(intel_output->base.dev, false); + if (edid) { +@@ -81,7 +85,10 @@ int intel_ddc_get_modes(struct intel_output *intel_output) + edid); + ret = drm_add_edid_modes(&intel_output->base, edid); + intel_output->base.display_info.raw_edid = NULL; +- kfree(edid); ++ if (intel_output->type == INTEL_OUTPUT_LVDS) ++ intel_output->edid = edid; ++ else ++ kfree(edid); + } + + return ret; |