drm/radeon/audio: write audio/video latency info for DCE6/8

Needed by the hda driver to properly set up synchronization
on the audio side.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c
index abdc893318a4..678736542ed8 100644
--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
+++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
@@ -35,6 +35,8 @@
 extern void dce6_afmt_write_speaker_allocation(struct drm_encoder *encoder);
 extern void dce6_afmt_write_sad_regs(struct drm_encoder *encoder);
 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);
 
 /*
  * update the N and CTS parameters for a given pixel clock rate
@@ -361,6 +363,7 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode
         if (ASIC_IS_DCE6(rdev)) {
                 dce6_afmt_select_pin(encoder);
                 dce6_afmt_write_sad_regs(encoder);
+                dce6_afmt_write_latency_fields(encoder, mode);
         } else {
                 evergreen_hdmi_write_sad_regs(encoder);
                 dce4_afmt_write_latency_fields(encoder, mode);