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ASoC: SOF: Intel: hda-dsp: Set streaming flag for d0i3

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Enable d0i3 streaming if all the active streams can
work in d0i3 state and playback is enabled.

Signed-off-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20230214103345.30669-6-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Rander Wang 2023-02-14 12:33:45 +02:00 committed by Mark Brown
parent 3e6b6ed34b
commit 6611b975eb
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
1 changed files with 31 additions and 0 deletions
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31
sound/soc/sof/intel/hda-dsp.c
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@ -405,6 +405,34 @@ static int hda_dsp_update_d0i3c_register(struct snd_sof_dev *sdev, u8 value)
return 0;
}
/*
* d0i3 streaming is enabled if all the active streams can
* work in d0i3 state and playback is enabled
*/
static bool hda_dsp_d0i3_streaming_applicable(struct snd_sof_dev *sdev)
{
struct snd_pcm_substream *substream;
struct snd_sof_pcm *spcm;
bool playback_active = false;
int dir;
list_for_each_entry(spcm, &sdev->pcm_list, list) {
for_each_pcm_streams(dir) {
substream = spcm->stream[dir].substream;
if (!substream || !substream->runtime)
continue;
if (!spcm->stream[dir].d0i3_compatible)
return false;
if (dir == SNDRV_PCM_STREAM_PLAYBACK)
playback_active = true;
}
}
return playback_active;
}
static int hda_dsp_set_D0_state(struct snd_sof_dev *sdev,
const struct sof_dsp_power_state *target_state)
{
@ -446,6 +474,9 @@ static int hda_dsp_set_D0_state(struct snd_sof_dev *sdev,
!hda_enable_trace_D0I3_S0 ||
sdev->system_suspend_target != SOF_SUSPEND_NONE)
flags = HDA_PM_NO_DMA_TRACE;
if (hda_dsp_d0i3_streaming_applicable(sdev))
flags |= HDA_PM_PG_STREAMING;
} else {
/* prevent power gating in D0I0 */
flags = HDA_PM_PPG;