diff options
-rw-r--r-- | drivers/gpu/drm/vc4/vc4_hdmi.c | 12 | ||||
-rw-r--r-- | drivers/gpu/drm/vc4/vc4_hdmi.h | 2 |
2 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 53c3b5ae1179..43e59466b1d8 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -308,8 +308,16 @@ static void vc4_hdmi_set_audio_infoframe(struct drm_encoder *encoder) static void vc4_hdmi_set_infoframes(struct drm_encoder *encoder) { + struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder); + vc4_hdmi_set_avi_infoframe(encoder); vc4_hdmi_set_spd_infoframe(encoder); + /* + * If audio was streaming, then we need to reenabled the audio + * infoframe here during encoder_enable. + */ + if (vc4_hdmi->audio.streaming) + vc4_hdmi_set_audio_infoframe(encoder); } static void vc4_hdmi_encoder_disable(struct drm_encoder *encoder) @@ -694,6 +702,7 @@ static void vc4_hdmi_audio_reset(struct vc4_hdmi *vc4_hdmi) struct device *dev = &vc4_hdmi->pdev->dev; int ret; + vc4_hdmi->audio.streaming = false; ret = vc4_hdmi_stop_packet(encoder, HDMI_INFOFRAME_TYPE_AUDIO); if (ret) dev_err(dev, "Failed to stop audio infoframe: %d\n", ret); @@ -797,6 +806,7 @@ static int vc4_hdmi_audio_trigger(struct snd_pcm_substream *substream, int cmd, switch (cmd) { case SNDRV_PCM_TRIGGER_START: vc4_hdmi_set_audio_infoframe(encoder); + vc4_hdmi->audio.streaming = true; if (vc4_hdmi->variant->phy_rng_enable) vc4_hdmi->variant->phy_rng_enable(vc4_hdmi); @@ -815,6 +825,8 @@ static int vc4_hdmi_audio_trigger(struct snd_pcm_substream *substream, int cmd, if (vc4_hdmi->variant->phy_rng_disable) vc4_hdmi->variant->phy_rng_disable(vc4_hdmi); + vc4_hdmi->audio.streaming = false; + break; default: break; diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h index 342f6e0227a2..77d47d1707ce 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.h +++ b/drivers/gpu/drm/vc4/vc4_hdmi.h @@ -85,6 +85,8 @@ struct vc4_hdmi_audio { int channels; struct snd_dmaengine_dai_dma_data dma_data; struct snd_pcm_substream *substream; + + bool streaming; }; /* General HDMI hardware state. */ |