Patch "ASoC: SOF: pcm: Restrict DSP D0i3 during S0ix to IPC3" has been added to the 6.6-stable tree

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



This is a note to let you know that I've just added the patch titled

    ASoC: SOF: pcm: Restrict DSP D0i3 during S0ix to IPC3

to the 6.6-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     asoc-sof-pcm-restrict-dsp-d0i3-during-s0ix-to-ipc3.patch
and it can be found in the queue-6.6 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit e65b70fd5a64378b3806a0d46384e5e4a5e1299d
Author: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Date:   Mon Apr 8 14:41:46 2024 -0500

    ASoC: SOF: pcm: Restrict DSP D0i3 during S0ix to IPC3
    
    [ Upstream commit 90a2353080eedec855d63f6aadfda14104ee9b06 ]
    
    Introduce a new field in struct sof_ipc_pcm_ops that can be used to
    restrict DSP D0i3 during S0ix suspend to IPC3. With IPC4, all streams
    must be stopped before S0ix suspend.
    
    Reviewed-by: Uday M Bhat <uday.m.bhat@xxxxxxxxx>
    Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
    Signed-off-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
    Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
    Link: https://msgid.link/r/20240408194147.28919-3-pierre-louis.bossart@xxxxxxxxxxxxxxx
    Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/sound/soc/sof/ipc3-pcm.c b/sound/soc/sof/ipc3-pcm.c
index cb58ee8c158a5..720bd9bd2667a 100644
--- a/sound/soc/sof/ipc3-pcm.c
+++ b/sound/soc/sof/ipc3-pcm.c
@@ -398,4 +398,5 @@ const struct sof_ipc_pcm_ops ipc3_pcm_ops = {
 	.trigger = sof_ipc3_pcm_trigger,
 	.dai_link_fixup = sof_ipc3_pcm_dai_link_fixup,
 	.reset_hw_params_during_stop = true,
+	.d0i3_supported_in_s0ix = true,
 };
diff --git a/sound/soc/sof/pcm.c b/sound/soc/sof/pcm.c
index d778717cab10b..8e602e42afee2 100644
--- a/sound/soc/sof/pcm.c
+++ b/sound/soc/sof/pcm.c
@@ -325,14 +325,13 @@ static int sof_pcm_trigger(struct snd_soc_component *component,
 			ipc_first = true;
 		break;
 	case SNDRV_PCM_TRIGGER_SUSPEND:
-		if (sdev->system_suspend_target == SOF_SUSPEND_S0IX &&
+		/*
+		 * If DSP D0I3 is allowed during S0iX, set the suspend_ignored flag for
+		 * D0I3-compatible streams to keep the firmware pipeline running
+		 */
+		if (pcm_ops && pcm_ops->d0i3_supported_in_s0ix &&
+		    sdev->system_suspend_target == SOF_SUSPEND_S0IX &&
 		    spcm->stream[substream->stream].d0i3_compatible) {
-			/*
-			 * trap the event, not sending trigger stop to
-			 * prevent the FW pipelines from being stopped,
-			 * and mark the flag to ignore the upcoming DAPM
-			 * PM events.
-			 */
 			spcm->stream[substream->stream].suspend_ignored = true;
 			return 0;
 		}
diff --git a/sound/soc/sof/sof-audio.h b/sound/soc/sof/sof-audio.h
index a6d6bcd00ceec..3606595a7500c 100644
--- a/sound/soc/sof/sof-audio.h
+++ b/sound/soc/sof/sof-audio.h
@@ -113,6 +113,7 @@ struct snd_sof_dai_config_data {
  *				  triggers. The FW keeps the host DMA running in this case and
  *				  therefore the host must do the same and should stop the DMA during
  *				  hw_free.
+ * @d0i3_supported_in_s0ix: Allow DSP D0I3 during S0iX
  */
 struct sof_ipc_pcm_ops {
 	int (*hw_params)(struct snd_soc_component *component, struct snd_pcm_substream *substream,
@@ -129,6 +130,7 @@ struct sof_ipc_pcm_ops {
 	bool reset_hw_params_during_stop;
 	bool ipc_first_on_start;
 	bool platform_stop_during_hw_free;
+	bool d0i3_supported_in_s0ix;
 };
 
 /**




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux