[PATCH v3 10/17] drm/amd/display: Signal mode_changed if colorspace changed

[Harry Wentland <harry.wentland@xxxxxxx>]

We need to signal mode_changed to make sure we update the output
colorspace.

v2: No need to call drm_hdmi_avi_infoframe_colorimetry as DC does its
    own infoframe packing.

Signed-off-by: Harry Wentland <harry.wentland@xxxxxxx>
Cc: Pekka Paalanen <ppaalanen@xxxxxxxxx>
Cc: Sebastian Wick <sebastian.wick@xxxxxxxxxx>
Cc: Vitaly.Prosyak@xxxxxxx
Cc: Uma Shankar <uma.shankar@xxxxxxxxx>
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Cc: Joshua Ashton <joshua@xxxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Reviewed-by: Leo Li <sunpeng.li@xxxxxxx>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

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 2d883c6dae90..58fc719bec8d 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -6636,6 +6636,14 @@ amdgpu_dm_connector_atomic_check(struct drm_connector *conn,
 	if (!crtc)
 		return 0;
 
+	if (new_con_state->colorspace != old_con_state->colorspace) {
+		new_crtc_state = drm_atomic_get_crtc_state(state, crtc);
+		if (IS_ERR(new_crtc_state))
+			return PTR_ERR(new_crtc_state);
+
+		new_crtc_state->mode_changed = true;
+	}
+
 	if (!drm_connector_atomic_hdr_metadata_equal(old_con_state, new_con_state)) {
 		struct dc_info_packet hdr_infopacket;
 
@@ -6658,7 +6666,7 @@ amdgpu_dm_connector_atomic_check(struct drm_connector *conn,
 		 * set is permissible, however. So only force a
 		 * modeset if we're entering or exiting HDR.
 		 */
-		new_crtc_state->mode_changed =
+		new_crtc_state->mode_changed = new_crtc_state->mode_changed ||
 			!old_con_state->hdr_output_metadata ||
 			!new_con_state->hdr_output_metadata;
 	}
-- 
2.39.2