drm/amd/display: Reset gamma to NULL after release

Signed-off-by: Anthony Koo <anthony.koo@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Anthony Koo 2016-12-20 18:48:11 -05:00 • committed by Alex Deucher
commit 3c25e920f0