aboutsummaryrefslogtreecommitdiffstats
path: root/common/recipes-kernel/linux/files/0704-drm-amd-dal-optimize-out-dc-validation-on-flip.patch
diff options
context:
space:
mode:
Diffstat (limited to 'common/recipes-kernel/linux/files/0704-drm-amd-dal-optimize-out-dc-validation-on-flip.patch')
-rw-r--r--common/recipes-kernel/linux/files/0704-drm-amd-dal-optimize-out-dc-validation-on-flip.patch50
1 files changed, 50 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0704-drm-amd-dal-optimize-out-dc-validation-on-flip.patch b/common/recipes-kernel/linux/files/0704-drm-amd-dal-optimize-out-dc-validation-on-flip.patch
new file mode 100644
index 00000000..fd1962c5
--- /dev/null
+++ b/common/recipes-kernel/linux/files/0704-drm-amd-dal-optimize-out-dc-validation-on-flip.patch
@@ -0,0 +1,50 @@
+From f5db199898ea549bb38316a867e46bef41c96390 Mon Sep 17 00:00:00 2001
+From: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
+Date: Tue, 19 Jan 2016 16:31:57 -0500
+Subject: [PATCH 0704/1110] drm/amd/dal: optimize out dc validation on flip
+
+Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
+Acked-by: Harry Wentland <harry.wentland@amd.com>
+---
+ drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c
+index 04044ff..f2b25cd 100644
+--- a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c
++++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c
+@@ -2395,6 +2395,7 @@ int amdgpu_dm_atomic_check(struct drm_device *dev,
+ struct dc_target *new_targets[MAX_TARGET_NUM] = { 0 };
+ struct amdgpu_device *adev = dev->dev_private;
+ struct dc *dc = adev->dm.dc;
++ bool need_to_validate = false;
+
+ ret = drm_atomic_helper_check(dev, state);
+
+@@ -2480,6 +2481,7 @@ int amdgpu_dm_atomic_check(struct drm_device *dev,
+ acrtc->target,
+ new_target);
+ new_target_count++;
++ need_to_validate = true;
+ break;
+ }
+
+@@ -2525,12 +2527,14 @@ int amdgpu_dm_atomic_check(struct drm_device *dev,
+ set_count,
+ acrtc->target,
+ surface);
++ need_to_validate = true;
+ }
+ }
+
+ }
+
+- if (set_count == 0 || dc_validate_resources(dc, set, set_count))
++ if (need_to_validate == false || set_count == 0
++ || dc_validate_resources(dc, set, set_count))
+ ret = 0;
+
+ connector_not_found:
+--
+2.7.4
+