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drm/amd/display: Don't update surface if dimensions are 0

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Signed-off-by: Corbin McElhanney <corbin.mcelhanney@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:
Corbin McElhanney 2017-06-01 15:40:04 -04:00 committed by Alex Deucher
parent 9c42df59e4
commit e7b1322e15
1 changed files with 9 additions and 2 deletions
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11
drivers/gpu/drm/amd/display/dc/core/dc.c
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@ -1250,8 +1250,15 @@ void dc_update_surfaces_and_stream(struct dc *dc,
}
}
/* only proceed if we need to make a surface update */
if (!srf_updates)
/* do not perform surface update if surface has invalid dimensions
* (all zero) and no scaling_info is provided
*/
if (surface_count > 0 &&
srf_updates->surface->src_rect.width == 0 &&
srf_updates->surface->src_rect.height == 0 &&
srf_updates->surface->dst_rect.width == 0 &&
srf_updates->surface->dst_rect.height == 0 &&
!srf_updates->scaling_info)
return;
update_type = dc_check_update_surfaces_for_stream(