drm/amd/display: Add null pointer filter
authorJing Zhou <Jing.Zhou@amd.com>
Thu, 10 Mar 2022 22:20:41 +0000 (17:20 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 15 Mar 2022 18:41:48 +0000 (14:41 -0400)
commit2716bc822e2325efed0731d6a6a7dff755dc34d7
treebead5c63c8b9909b4ee55cadbaace07e07fe9949
parent3a0625813bacf12bf188f8242b42b508af28baa0
drm/amd/display: Add null pointer filter

[Why & How]
Add null pointer filter for logical integrity.

Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Jing Zhou <Jing.Zhou@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c