drm/radeon: rework audio modeset to handle non-audio hdmi features

Need to setup the deep color and avi packets regardless of
audio setup.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/atombios_encoders.c

@@ -2299,8 +2299,7 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
 	encoder_mode = atombios_get_encoder_mode(encoder);
 	if (connector && (radeon_audio != 0) &&
 	    ((encoder_mode == ATOM_ENCODER_MODE_HDMI) ||
-	     (ENCODER_MODE_IS_DP(encoder_mode) &&
-	      drm_detect_monitor_audio(radeon_connector_edid(connector)))))
+	     ENCODER_MODE_IS_DP(encoder_mode)))
 		radeon_audio_mode_set(encoder, adjusted_mode);
 }
 

drivers/gpu/drm/radeon/radeon_audio.c

@@ -696,10 +696,15 @@ static void radeon_audio_hdmi_mode_set(struct drm_encoder *encoder,
 {
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
+	struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
 
 	if (!dig || !dig->afmt)
 		return;
 
+	if (!connector)
+		return;
+
+	if (drm_detect_monitor_audio(radeon_connector_edid(connector))) {
 		radeon_audio_set_mute(encoder, true);
 
 		radeon_audio_write_speaker_allocation(encoder);
@@ -716,6 +721,12 @@ static void radeon_audio_hdmi_mode_set(struct drm_encoder *encoder,
 			return;
 
 		radeon_audio_set_mute(encoder, false);
+	} else {
+		radeon_hdmi_set_color_depth(encoder);
+
+		if (radeon_audio_set_avi_packet(encoder, mode) < 0)
+			return;
+	}
 }
 
 static void radeon_audio_dp_mode_set(struct drm_encoder *encoder,
@@ -730,12 +741,13 @@ static void radeon_audio_dp_mode_set(struct drm_encoder *encoder,
 	struct radeon_connector_atom_dig *dig_connector =
 		radeon_connector->con_priv;
 
-	if (!connector)
+	if (!dig || !dig->afmt)
 		return;
 
-	if (!dig || !dig->afmt)
+	if (!connector)
 		return;
 
+	if (drm_detect_monitor_audio(radeon_connector_edid(connector))) {
 		radeon_audio_write_speaker_allocation(encoder);
 		radeon_audio_write_sad_regs(encoder);
 		radeon_audio_write_latency_fields(encoder, mode);
@@ -748,6 +760,7 @@ static void radeon_audio_dp_mode_set(struct drm_encoder *encoder,
 
 		if (radeon_audio_set_avi_packet(encoder, mode) < 0)
 			return;
+	}
 }
 
 void radeon_audio_mode_set(struct drm_encoder *encoder,