diff options
Diffstat (limited to 'sound/soc/sof/intel/hda-dsp.c')
-rw-r--r-- | sound/soc/sof/intel/hda-dsp.c | 46 |
1 files changed, 35 insertions, 11 deletions
diff --git a/sound/soc/sof/intel/hda-dsp.c b/sound/soc/sof/intel/hda-dsp.c index b4eacae8564c..68eb06f13a1f 100644 --- a/sound/soc/sof/intel/hda-dsp.c +++ b/sound/soc/sof/intel/hda-dsp.c @@ -364,19 +364,12 @@ static int hda_dsp_wait_d0i3c_done(struct snd_sof_dev *sdev) static int hda_dsp_send_pm_gate_ipc(struct snd_sof_dev *sdev, u32 flags) { - struct sof_ipc_pm_gate pm_gate; - struct sof_ipc_reply reply; + const struct sof_ipc_pm_ops *pm_ops = sof_ipc_get_ops(sdev, pm); - memset(&pm_gate, 0, sizeof(pm_gate)); + if (pm_ops && pm_ops->set_pm_gate) + return pm_ops->set_pm_gate(sdev, flags); - /* configure pm_gate ipc message */ - pm_gate.hdr.size = sizeof(pm_gate); - pm_gate.hdr.cmd = SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_GATE; - pm_gate.flags = flags; - - /* send pm_gate ipc to dsp */ - return sof_ipc_tx_message_no_pm(sdev->ipc, &pm_gate, sizeof(pm_gate), - &reply, sizeof(reply)); + return 0; } static int hda_dsp_update_d0i3c_register(struct snd_sof_dev *sdev, u8 value) @@ -412,6 +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) { @@ -453,6 +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; |