drm/amd/display: Validate plane rects before use

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[Why]
Calculation of scaling ratio can result in a crash due to zero'd src or
dst plane rects.

[How]
Validate that src and dst rects are valid before using for scaling
calculations.

Reviewed-by: Josip Pavic <Josip.Pavic@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Aric Cyr 2021-09-28 16:05:27 -04:00 • committed by Alex Deucher

parent b78f26d3ef

commit 94e587b8d1

1 changed files with 5 additions and 0 deletions

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drivers/gpu/drm/amd/display/dc/core/dc_resource.c

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