Adding gamma changed check as condition for affected plane. We ignored adding plane as affected if modeset was not required. But for color management change we still need it. Signed-off-by: Roman Li <Roman.Li@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>