drm/amd/display: Add NULL check within get_target_mpc_factor

[Why] Coverity reports NULL_RETURN warning.

[How] Add pointer NULL check.

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Hersen Wu <hersenxs.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hersen Wu 2024-04-26 11:24:21 -04:00 • committed by Alex Deucher
commit c6bce984b8