drm/amd/display: Check NULL before calling dac_load_detection

dac_load_detection can be NULL in some scenario, so checking it before
calling.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Chenyu Chen <chen-yu.chen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 179176134b)
This commit is contained in:
Alex Hung 2025-12-08 12:11:43 -07:00 • committed by Alex Deucher
commit eb236fb911