Commit b35ce7b3 authored Jan 02, 2020 by Bas Nieuwenhuizen Committed by Alex Deucher Oct 30, 2020

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



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>

parent e31ae352

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;

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