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SubjectRe: [PATCH v2] ASoC: amd: update pm_runtime enable sequence
From

On 6/23/2023 4:41 PM, Arun Gopal Kondaveeti wrote:
> pm_runtime_allow() is not needed for ACP child platform devices.
> Replace pm_runtime_allow() with pm_runtime_mark_last_busy()
> & pm_runtime_set_active() in pm_runtime enable sequence for
> ACP child platform drivers.

Can you explain what prompted this?

Does this fix a particular bug, or is it just to correct
things?  If it fixes a particular bug; I think it should be
split up across 5 patches (one for each APU) and then
appropriate Fixes tags applied for each on the code they're
fixing.

>
> Signed-off-by: Arun Gopal <arungopal.kondaveeti@amd.com>
> ---
>
> Changes since v1:
> -- Updated commit message
>
> ---
> sound/soc/amd/ps/ps-pdm-dma.c | 3 ++-
> sound/soc/amd/raven/acp3x-pcm-dma.c | 3 ++-
> sound/soc/amd/renoir/acp3x-pdm-dma.c | 3 ++-
> sound/soc/amd/vangogh/acp5x-pcm-dma.c | 4 ++--
> sound/soc/amd/yc/acp6x-pdm-dma.c | 3 ++-
> 5 files changed, 10 insertions(+), 6 deletions(-)
>
> diff --git a/sound/soc/amd/ps/ps-pdm-dma.c b/sound/soc/amd/ps/ps-pdm-dma.c
> index bdbbb797c74d..d48f7c5af289 100644
> --- a/sound/soc/amd/ps/ps-pdm-dma.c
> +++ b/sound/soc/amd/ps/ps-pdm-dma.c
> @@ -391,8 +391,9 @@ static int acp63_pdm_audio_probe(struct platform_device *pdev)
> }
> 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);
> - pm_runtime_allow(&pdev->dev);
> return 0;
> }
>
> diff --git a/sound/soc/amd/raven/acp3x-pcm-dma.c b/sound/soc/amd/raven/acp3x-pcm-dma.c
> index 7362dd15ad30..9538f3ffc5d9 100644
> --- a/sound/soc/amd/raven/acp3x-pcm-dma.c
> +++ b/sound/soc/amd/raven/acp3x-pcm-dma.c
> @@ -416,8 +416,9 @@ static int acp3x_audio_probe(struct platform_device *pdev)
>
> pm_runtime_set_autosuspend_delay(&pdev->dev, 2000);
> pm_runtime_use_autosuspend(&pdev->dev);
> + pm_runtime_mark_last_busy(&pdev->dev);
> + pm_runtime_set_active(&pdev->dev);
> pm_runtime_enable(&pdev->dev);
> - pm_runtime_allow(&pdev->dev);
> return 0;
> }
>
> diff --git a/sound/soc/amd/renoir/acp3x-pdm-dma.c b/sound/soc/amd/renoir/acp3x-pdm-dma.c
> index 4e299f96521f..c3b47e9bd239 100644
> --- a/sound/soc/amd/renoir/acp3x-pdm-dma.c
> +++ b/sound/soc/amd/renoir/acp3x-pdm-dma.c
> @@ -430,8 +430,9 @@ static int acp_pdm_audio_probe(struct platform_device *pdev)
> }
> 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);
> - pm_runtime_allow(&pdev->dev);
> return 0;
> }
>
> diff --git a/sound/soc/amd/vangogh/acp5x-pcm-dma.c b/sound/soc/amd/vangogh/acp5x-pcm-dma.c
> index 29901ee4bfe3..587dec5bb33d 100644
> --- a/sound/soc/amd/vangogh/acp5x-pcm-dma.c
> +++ b/sound/soc/amd/vangogh/acp5x-pcm-dma.c
> @@ -409,9 +409,9 @@ static int acp5x_audio_probe(struct platform_device *pdev)
> }
> pm_runtime_set_autosuspend_delay(&pdev->dev, 2000);
> pm_runtime_use_autosuspend(&pdev->dev);
> + pm_runtime_mark_last_busy(&pdev->dev);
> + pm_runtime_set_active(&pdev->dev);
> pm_runtime_enable(&pdev->dev);
> - pm_runtime_allow(&pdev->dev);
> -
> return 0;
> }
>
> diff --git a/sound/soc/amd/yc/acp6x-pdm-dma.c b/sound/soc/amd/yc/acp6x-pdm-dma.c
> index d818eba48546..72c4591e451b 100644
> --- a/sound/soc/amd/yc/acp6x-pdm-dma.c
> +++ b/sound/soc/amd/yc/acp6x-pdm-dma.c
> @@ -383,8 +383,9 @@ static int acp6x_pdm_audio_probe(struct platform_device *pdev)
> }
> 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);
> - pm_runtime_allow(&pdev->dev);
> return 0;
> }
>

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