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-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0481-drm-amd-display-Don-t-commit-surfaces-if-no-stream.patch45
1 files changed, 45 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0481-drm-amd-display-Don-t-commit-surfaces-if-no-stream.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0481-drm-amd-display-Don-t-commit-surfaces-if-no-stream.patch
new file mode 100644
index 00000000..2cf62b5a
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0481-drm-amd-display-Don-t-commit-surfaces-if-no-stream.patch
@@ -0,0 +1,45 @@
+From 2380cf66a314f5541e330f763a8a20a8185ec99d Mon Sep 17 00:00:00 2001
+From: Harry Wentland <harry.wentland@amd.com>
+Date: Thu, 25 May 2017 18:00:37 -0400
+Subject: [PATCH 0481/4131] drm/amd/display: Don't commit surfaces if no stream
+
+Signed-off-by: Harry Wentland <harry.wentland@amd.com>
+Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
+Acked-by: Harry Wentland <Harry.Wentland@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c | 11 +++++++++--
+ 1 file changed, 9 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
+index bb452ad..d93c17f 100644
+--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
+@@ -2711,6 +2711,9 @@ void amdgpu_dm_atomic_commit_tail(
+ WARN_ON(!status);
+ WARN_ON(!status->surface_count);
+
++ if (!acrtc->stream)
++ continue;
++
+ /*TODO How it works with MPO ?*/
+ if (!dc_commit_surfaces_to_stream(
+ dm->dc,
+@@ -2768,8 +2771,12 @@ void amdgpu_dm_atomic_commit_tail(
+ }
+
+ /* update planes when needed per crtc*/
+- for_each_crtc_in_state(state, pcrtc, old_crtc_state, j)
+- amdgpu_dm_commit_surfaces(state, dev, dm, pcrtc, &wait_for_vblank);
++ for_each_crtc_in_state(state, pcrtc, old_crtc_state, j) {
++ struct amdgpu_crtc *acrtc = to_amdgpu_crtc(pcrtc);
++
++ if (acrtc->stream)
++ amdgpu_dm_commit_surfaces(state, dev, dm, pcrtc, &wait_for_vblank);
++ }
+
+ for (i = 0; i < new_crtcs_count; i++) {
+ /*
+--
+2.7.4
+