[PATCH v2 19/27] drm/connector: hdmi: Add QMS to VTEM EMP generation

[Nicolas Frattaroli <nicolas.frattaroli@collabora.com>]

If userspace indicates that VRR mode "Media" is desired and the
connector supports QMS, set the QMS related fields in the VTEM EMP
struct based on the connector state.

Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
---
 drivers/gpu/drm/display/drm_hdmi_state_helper.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/display/drm_hdmi_state_helper.c b/drivers/gpu/drm/display/drm_hdmi_state_helper.c
index 846f7a72fddc..407ad28c649f 100644
--- a/drivers/gpu/drm/display/drm_hdmi_state_helper.c
+++ b/drivers/gpu/drm/display/drm_hdmi_state_helper.c
@@ -890,11 +890,18 @@ static int hdmi_generate_emp_infoframe_vtem(const struct drm_connector *connecto
 		break;
 	case VRR_DISPLAY_MODE_OFF:
 		break;
+	case VRR_DISPLAY_MODE_MEDIA:
+		if (!connector->hdmi.qms_supported)
+			return -EOPNOTSUPP;
+		vtem->qms_en = true;
+		vtem->next_tfr = conn_state->hdmi.qms_tfr_byte;
+		vtem->m_const = !vrr->dynamic;
+		break;
 	default:
 		return -EINVAL;
 	}
 
-	if (vtem->game_vrr_en && !avi_vic) {
+	if ((vtem->game_vrr_en || vtem->qms_en) && !avi_vic) {
 		vtem->base_refresh_rate = drm_mode_vrefresh(&crtc_state->mode);
 		vfront = crtc_state->adjusted_mode.crtc_vsync_start -
 			 crtc_state->adjusted_mode.crtc_vdisplay;

-- 
2.56.0