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author | Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> | 2019-02-28 12:57:59 -0500 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-31 06:43:50 -0700 |
commit | fad8a67e474468ec9b99a4bebea8cc6165eba897 (patch) | |
tree | 161f1033a6e8dd83ee39b8ea7ac5bb0732e7c7c8 | |
parent | 60b6c466a4284cf97de891e1fcf0ee444a34ac80 (diff) | |
download | linux-stable-fad8a67e474468ec9b99a4bebea8cc6165eba897.tar.gz linux-stable-fad8a67e474468ec9b99a4bebea8cc6165eba897.tar.bz2 linux-stable-fad8a67e474468ec9b99a4bebea8cc6165eba897.zip |
drm/amd/display: Reset alpha state for planes to the correct values
[ Upstream commit eec3d5efd16d13984a88396b685ae17462fb6d87 ]
[Why]
The plane_reset callback is subclassed but hasn't been updated since
the drm helper got updated to include resetting alpha related state
(state->alpha and state->pixel_blend_mode). The overlay planes
exposed by amdgpu_dm were therefore being rendered as invisible by
default ever since supported was exposed for alpha blending properties
on overlays.
This caused regressions in igt@kms_plane_multiple@atomic-tiling-none
and igt@kms_plane@plane-position-covered-pipe tests.
[How]
Reset the plane state values to their correct values as defined in
the drm helper.
This fixes the IGT test regression.
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index c212bff457ee..b14369ab151f 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -3587,6 +3587,8 @@ static void dm_drm_plane_reset(struct drm_plane *plane) plane->state = &amdgpu_state->base; plane->state->plane = plane; plane->state->rotation = DRM_MODE_ROTATE_0; + plane->state->alpha = DRM_BLEND_ALPHA_OPAQUE; + plane->state->pixel_blend_mode = DRM_MODE_BLEND_PREMULTI; } } |