drm/amd/display: fix gamma setting

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>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 3d6fbc38d95f..8d94dfc7ba3f 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -4717,7 +4717,8 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
                 }
         } else {
                 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
-                        if (!drm_atomic_crtc_needs_modeset(new_crtc_state))
+                        if (!drm_atomic_crtc_needs_modeset(new_crtc_state) &&
+                                        !new_crtc_state->color_mgmt_changed)
                                 continue;
 
                         if (!new_crtc_state->enable)