This is a note to let you know that I've just added the patch titled
drm/msm/dpu: Fix for non-visible planes
to the 5.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-msm-dpu-fix-for-non-visible-planes.patch
and it can be found in the queue-5.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 1044dca57cd1571febaf6dcba19e5c6ab38c3334
Author: Rob Clark <robdclark@xxxxxxxxxxxx>
Date: Thu Jul 7 14:20:00 2022 -0700
drm/msm/dpu: Fix for non-visible planes
[ Upstream commit cb77085b1f0a86ef9dfba86b5f3ed6c3340c2ea3 ]
Fixes `kms_cursor_crc --run-subtest cursor-offscreen`.. when the cursor
moves offscreen the plane becomes non-visible, so we need to skip over
it in crtc atomic test and mixer setup.
Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
Fixes: 25fdd5933e4c ("drm/msm: Add SDM845 DPU support")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Reviewed-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>
Patchwork: https://patchwork.freedesktop.org/patch/492819/
Link: https://lore.kernel.org/r/20220707212003.1710163-1-robdclark@xxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index b56f777dbd0e..4c5c1f627cb8 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -361,6 +361,9 @@ static void _dpu_crtc_blend_setup_mixer(struct drm_crtc *crtc,
if (!state)
continue;
+ if (!state->visible)
+ continue;
+
pstate = to_dpu_plane_state(state);
fb = state->fb;
@@ -1134,6 +1137,9 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc,
if (cnt >= DPU_STAGE_MAX * 4)
continue;
+ if (!pstate->visible)
+ continue;
+
pstates[cnt].dpu_pstate = dpu_pstate;
pstates[cnt].drm_pstate = pstate;
pstates[cnt].stage = pstate->normalized_zpos;
