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>

1 files changed, 34 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_audio.c b/drivers/gpu/drm/radeon/radeon_audio.c
index 22f12e8e1b14..a95eee14c4bf 100644
--- a/drivers/gpu/drm/radeon/radeon_audio.c
+++ b/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);
+}