Commit 84ce38c7 authored Feb 28, 2022 by Chris Park Committed by Alex Deucher Mar 15, 2022

drm/amd/display: Add NULL check



[Why]
Virtualization enters blue screen of death (BSoD)
due to NULL res_pool object when accessing DSC
encoder capability.

[How]
Add NULL check to avoid blue screen of death.

Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Chris Park <Chris.Park@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 9c1e260e

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

+3 −0

Original line number	Diff line number	Diff line
		@@ -2335,6 +2335,9 @@ void dc_resource_state_construct(

		bool dc_resource_is_dsc_encoding_supported(const struct dc *dc)
		{
		if (dc->res_pool == NULL)
		return false;

		return dc->res_pool->res_cap->num_dsc > 0;
		}