radeon/audio: consolidate write_latency_fields() functions

Signed-off-by: Slava Grigorev <slava.grigorev@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/dce6_afmt.c

@@ -102,13 +102,11 @@ void dce6_afmt_select_pin(struct drm_encoder *encoder)
 }
 
 void dce6_afmt_write_latency_fields(struct drm_encoder *encoder,
-				    struct drm_display_mode *mode)
+		struct drm_connector *connector, struct drm_display_mode *mode)
 {
 	struct radeon_device *rdev = encoder->dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
-	struct drm_connector *connector;
-	struct radeon_connector *radeon_connector = NULL;
 	u32 tmp = 0, offset;
 
 	if (!dig || !dig->afmt || !dig->afmt->pin)
@@ -116,18 +114,6 @@ void dce6_afmt_write_latency_fields(struct drm_encoder *encoder,
 
 	offset = dig->afmt->pin->offset;
 
-	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
-		if (connector->encoder == encoder) {
-			radeon_connector = to_radeon_connector(connector);
-			break;
-		}
-	}
-
-	if (!radeon_connector) {
-		DRM_ERROR("Couldn't find encoder's connector\n");
-		return;
-	}
-
 	if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
 		if (connector->latency_present[1])
 			tmp = VIDEO_LIPSYNC(connector->video_latency[1]) |

drivers/gpu/drm/radeon/evergreen_hdmi.c

@@ -34,8 +34,6 @@
 #include "atom.h"
 
 extern void dce6_afmt_select_pin(struct drm_encoder *encoder);
-extern void dce6_afmt_write_latency_fields(struct drm_encoder *encoder,
-					   struct drm_display_mode *mode);
 
 /* enable the audio stream */
 static void dce4_audio_enable(struct radeon_device *rdev,
@@ -90,26 +88,12 @@ static void evergreen_hdmi_update_ACR(struct drm_encoder *encoder, uint32_t cloc
 	WREG32(HDMI_ACR_48_1 + offset, acr.n_48khz);
 }
 
-static void dce4_afmt_write_latency_fields(struct drm_encoder *encoder,
-					   struct drm_display_mode *mode)
+void dce4_afmt_write_latency_fields(struct drm_encoder *encoder,
+		struct drm_connector *connector, struct drm_display_mode *mode)
 {
 	struct radeon_device *rdev = encoder->dev->dev_private;
-	struct drm_connector *connector;
-	struct radeon_connector *radeon_connector = NULL;
 	u32 tmp = 0;
 
-	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
-		if (connector->encoder == encoder) {
-			radeon_connector = to_radeon_connector(connector);
-			break;
-		}
-	}
-
-	if (!radeon_connector) {
-		DRM_ERROR("Couldn't find encoder's connector\n");
-		return;
-	}
-
 	if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
 		if (connector->latency_present[1])
 			tmp = VIDEO_LIPSYNC(connector->video_latency[1]) |
@@ -123,7 +107,7 @@ static void dce4_afmt_write_latency_fields(struct drm_encoder *encoder,
 		else
 			tmp = VIDEO_LIPSYNC(255) | AUDIO_LIPSYNC(255);
 	}
-	WREG32(AZ_F0_CODEC_PIN0_CONTROL_RESPONSE_LIPSYNC, tmp);
+	WREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_RESPONSE_LIPSYNC, tmp);
 }
 
 void dce4_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
@@ -418,14 +402,11 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode
 
 	/* fglrx sets 0x40 in 0x5f80 here */
 
-	if (ASIC_IS_DCE6(rdev)) {
+	if (ASIC_IS_DCE6(rdev))
 		dce6_afmt_select_pin(encoder);
-		dce6_afmt_write_latency_fields(encoder, mode);
-	} else {
-		dce4_afmt_write_latency_fields(encoder, mode);
-	}
 
 	radeon_audio_write_sad_regs(encoder);
+	radeon_audio_write_latency_fields(encoder, mode);
 
 	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
 	if (err < 0) {

drivers/gpu/drm/radeon/radeon_audio.c

@@ -53,6 +53,10 @@ void dce6_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
 		u8 *sadb, int sad_count);
 void dce6_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
 		u8 *sadb, int sad_count);
+void dce4_afmt_write_latency_fields(struct drm_encoder *encoder,
+		struct drm_connector *connector, struct drm_display_mode *mode);
+void dce6_afmt_write_latency_fields(struct drm_encoder *encoder,
+		struct drm_connector *connector, struct drm_display_mode *mode);
 
 static const u32 pin_offsets[7] =
 {
@@ -104,21 +108,25 @@ static struct radeon_audio_funcs dce32_dp_funcs = {
 static struct radeon_audio_funcs dce4_hdmi_funcs = {
 	.write_sad_regs = evergreen_hdmi_write_sad_regs,
 	.write_speaker_allocation = dce4_afmt_hdmi_write_speaker_allocation,
+	.write_latency_fields = dce4_afmt_write_latency_fields,
 };
 
 static struct radeon_audio_funcs dce4_dp_funcs = {
 	.write_sad_regs = evergreen_hdmi_write_sad_regs,
 	.write_speaker_allocation = dce4_afmt_dp_write_speaker_allocation,
+	.write_latency_fields = dce4_afmt_write_latency_fields,
 };
 
 static struct radeon_audio_funcs dce6_hdmi_funcs = {
 	.write_sad_regs = dce6_afmt_write_sad_regs,
 	.write_speaker_allocation = dce6_afmt_hdmi_write_speaker_allocation,
+	.write_latency_fields = dce6_afmt_write_latency_fields,
 };
 
 static struct radeon_audio_funcs dce6_dp_funcs = {
 	.write_sad_regs = dce6_afmt_write_sad_regs,
 	.write_speaker_allocation = dce6_afmt_dp_write_speaker_allocation,
+	.write_latency_fields = dce6_afmt_write_latency_fields,
 };
 
 static void radeon_audio_interface_init(struct radeon_device *rdev)
@@ -307,3 +315,29 @@ void radeon_audio_write_speaker_allocation(struct drm_encoder *encoder)
 
     kfree(sadb);
 }
+
+void radeon_audio_write_latency_fields(struct drm_encoder *encoder,
+	struct drm_display_mode *mode)
+{
+	struct radeon_encoder *radeon_encoder;
+	struct drm_connector *connector;
+	struct radeon_connector *radeon_connector = 0;
+
+	list_for_each_entry(connector,
+		&encoder->dev->mode_config.connector_list, head) {
+		if (connector->encoder == encoder) {
+			radeon_connector = to_radeon_connector(connector);
+			break;
+		}
+	}
+
+	if (!radeon_connector) {
+		DRM_ERROR("Couldn't find encoder's connector\n");
+		return;
+	}
+
+	radeon_encoder = to_radeon_encoder(encoder);
+
+	if (radeon_encoder->audio && radeon_encoder->audio->write_latency_fields)
+		radeon_encoder->audio->write_latency_fields(encoder, connector, mode);
+}

drivers/gpu/drm/radeon/radeon_audio.h

@@ -41,6 +41,8 @@ struct radeon_audio_basic_funcs
 
 struct radeon_audio_funcs
 {
+	void (*write_latency_fields)(struct drm_encoder *encoder,
+		struct drm_connector *connector, struct drm_display_mode *mode);
 	void (*write_sad_regs)(struct drm_encoder *encoder,
 		struct cea_sad *sads, int sad_count);
 	void (*write_speaker_allocation)(struct drm_encoder *encoder,
@@ -56,5 +58,7 @@ void radeon_audio_endpoint_wreg(struct radeon_device *rdev,
 	u32 offset,	u32 reg, u32 v);
 void radeon_audio_write_sad_regs(struct drm_encoder *encoder);
 void radeon_audio_write_speaker_allocation(struct drm_encoder *encoder);
+void radeon_audio_write_latency_fields(struct drm_encoder *encoder,
+	struct drm_display_mode *mode);
 
 #endif