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drm/amd/display: Add assert that chroma pitch is non zero 

Signed-off-by: Julian Parkin <jparkin@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@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>
This commit is contained in:
Julian Parkin 2018-04-13 13:23:02 -04:00 committed by Alex Deucher
parent 34cb6b3860
commit 8ec06a1796
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
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@ -146,6 +146,9 @@ void hubp1_program_size_and_rotation(
* 444 or 420 luma * 444 or 420 luma
*/ */
if (format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) { if (format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) {
ASSERT(plane_size->video.chroma_pitch != 0);
/* Chroma pitch zero can cause system hang! */
pitch = plane_size->video.luma_pitch - 1; pitch = plane_size->video.luma_pitch - 1;
meta_pitch = dcc->video.meta_pitch_l - 1; meta_pitch = dcc->video.meta_pitch_l - 1;
pitch_c = plane_size->video.chroma_pitch - 1; pitch_c = plane_size->video.chroma_pitch - 1;