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drm/amd/display: Do not silently accept DCC for multiplane formats.

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Silently accepting it could result in corruption.

Signed-off-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Bas Nieuwenhuizen
2020-01-02 13:40:49 +01:00
committed by Alex Deucher
parent e31ae352b7
commit b35ce7b364
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -3829,7 +3829,7 @@ fill_plane_dcc_attributes(struct amdgpu_device *adev,
return 0;
if (format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN)
return 0;
return -EINVAL;
if (!dc->cap_funcs.get_dcc_compression_cap)
return -EINVAL;