drm/amd/display: prevent null pointer access

Prevent null pointer access when checking odm tree.

Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: <stable@vger.kernel.org>
This commit is contained in:
Dmytro Laktyushkin 2020-10-15 14:49:56 -04:00 • committed by Alex Deucher
commit cadfd67c27