Re: [RESEND] ASoC: amd: acp: add pm ops support for renoir platform.

On 12/15/2023 07:02, Syed Saba Kareem wrote:

Add pm ops for renoir platform.

Signed-off-by: Syed Saba Kareem Syed.SabaKareem@amd.com

Reviewed-by: Mario Limonciello mario.limonciello@amd.com

---

sound/soc/amd/acp/acp-renoir.c | 37 ++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+)

diff --git a/sound/soc/amd/acp/acp-renoir.c b/sound/soc/amd/acp/acp-renoir.c index a591482a0726..b0e181c9a733 100644 --- a/sound/soc/amd/acp/acp-renoir.c +++ b/sound/soc/amd/acp/acp-renoir.c @@ -20,6 +20,7 @@ #include <sound/soc.h> #include <sound/soc-dai.h> #include <linux/dma-mapping.h> +#include <linux/pm_runtime.h>

#include "amd.h" #include "acp-mach.h" @@ -196,6 +197,11 @@ static int renoir_audio_probe(struct platform_device *pdev) acp_enable_interrupts(adata); acp_platform_register(dev);

• pm_runtime_set_autosuspend_delay(&pdev->dev, ACP_SUSPEND_DELAY_MS);
• pm_runtime_use_autosuspend(&pdev->dev);
• pm_runtime_mark_last_busy(&pdev->dev);
• pm_runtime_set_active(&pdev->dev);
• pm_runtime_enable(&pdev->dev); return 0; }

@@ -208,11 +214,42 @@ static void renoir_audio_remove(struct platform_device *pdev) acp_platform_unregister(dev); }

+static int __maybe_unused rn_pcm_resume(struct device *dev) +{

• struct acp_dev_data *adata = dev_get_drvdata(dev);
• struct acp_stream *stream;
• struct snd_pcm_substream *substream;
• snd_pcm_uframes_t buf_in_frames;
• u64 buf_size;
• spin_lock(&adata->acp_lock);
• list_for_each_entry(stream, &adata->stream_list, list) {

• substream = stream->substream;
  

• if (substream && substream->runtime) {
  

• 	buf_in_frames = (substream->runtime->buffer_size);
  

• 	buf_size = frames_to_bytes(substream->runtime, buf_in_frames);
  

• 	config_pte_for_stream(adata, stream);
  

• 	config_acp_dma(adata, stream, buf_size);
  

• 	if (stream->dai_id)
  

• 		restore_acp_i2s_params(substream, adata, stream);
  

• 	else
  

• 		restore_acp_pdm_params(substream, adata);
  

• }
  

• }
• spin_unlock(&adata->acp_lock);
• return 0;

+}

+static const struct dev_pm_ops rn_dma_pm_ops = {

• SET_SYSTEM_SLEEP_PM_OPS(NULL, rn_pcm_resume)

+};

• static struct platform_driver renoir_driver = { .probe = renoir_audio_probe, .remove_new = renoir_audio_remove, .driver = { .name = "acp_asoc_renoir",

• .pm = &rn_dma_pm_ops,
  

  }, };