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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-10-10 18:03:06 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-11-01 12:43:20 -0400 |
| commit | b18802588809d6ff20db762ddcadb0dbe1f46414 (patch) | |
| tree | aab5d9a5cd993030a9063e7b1d9f73fd683756c8 /drivers/gpu/drm/radeon/dce6_afmt.c | |
| parent | 712fd8a2cdc4360b14546a26ce238bd99661af51 (diff) | |
| download | blackbird-op-linux-b18802588809d6ff20db762ddcadb0dbe1f46414.tar.gz blackbird-op-linux-b18802588809d6ff20db762ddcadb0dbe1f46414.zip | |
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>
Diffstat (limited to 'drivers/gpu/drm/radeon/dce6_afmt.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/dce6_afmt.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/dce6_afmt.c b/drivers/gpu/drm/radeon/dce6_afmt.c index 85a69d2ea3d2..5929056beca6 100644 --- a/drivers/gpu/drm/radeon/dce6_afmt.c +++ b/drivers/gpu/drm/radeon/dce6_afmt.c @@ -102,6 +102,49 @@ void dce6_afmt_select_pin(struct drm_encoder *encoder) AFMT_AUDIO_SRC_SELECT(dig->afmt->pin->id)); } +void dce6_afmt_write_latency_fields(struct drm_encoder *encoder, + 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->afmt->pin) + return; + + 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]) | + AUDIO_LIPSYNC(connector->audio_latency[1]); + else + tmp = VIDEO_LIPSYNC(255) | AUDIO_LIPSYNC(255); + } else { + if (connector->latency_present[0]) + tmp = VIDEO_LIPSYNC(connector->video_latency[0]) | + AUDIO_LIPSYNC(connector->audio_latency[0]); + else + tmp = VIDEO_LIPSYNC(255) | AUDIO_LIPSYNC(255); + } + WREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp); +} + void dce6_afmt_write_speaker_allocation(struct drm_encoder *encoder) { struct radeon_device *rdev = encoder->dev->dev_private; |
