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SubjectRe: [RESEND] ASoC: amd: acp: add pm ops support for renoir platform.
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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,
> },
> };
>


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