RE: [PATCH V2 2/2] ASoC: amd: acp: add pm ops support for renoir platform

[Saba Kareem, Syed]

[AMD Official Use Only - General]

Hi Thorsten,
The patch got merged to broonie git.
Please find the below link for the details.
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git/commit/sound/soc/amd/acp?id=c95a2a0be0b1bba2e051faa105c2e0401fc2de33

Thanks,
Syed Saba Kareem.

-----Original Message-----
From: Linux regression tracking (Thorsten Leemhuis) <regressions@xxxxxxxxxxxxx>
Sent: Friday, December 15, 2023 4:44 PM
To: Saba Kareem, Syed <Syed.SabaKareem@xxxxxxx>; broonie@xxxxxxxxxx; alsa-devel@xxxxxxxxxxxxxxxx
Cc: Mukunda, Vijendar <Vijendar.Mukunda@xxxxxxx>; Hiregoudar, Basavaraj <Basavaraj.Hiregoudar@xxxxxxx>; Dommati, Sunil-kumar <Sunil-kumar.Dommati@xxxxxxx>; Limonciello, Mario <Mario.Limonciello@xxxxxxx>; Gong, Richard <Richard.Gong@xxxxxxx>; posteuca@xxxxxxxxx; Liam Girdwood <lgirdwood@xxxxxxxxx>; Jaroslav Kysela <perex@xxxxxxxx>; Takashi Iwai <tiwai@xxxxxxxx>; Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>; Nicolas Ferre <nicolas.ferre@xxxxxxxxxxxxx>; Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>; open list <linux-kernel@xxxxxxxxxxxxxxx>; Linux kernel regressions list <regressions@xxxxxxxxxxxxxxx>
Subject: Re: [PATCH V2 2/2] ASoC: amd: acp: add pm ops support for renoir platform

Hi, Thorsten here, the Linux kernel's regression tracker. Top-posting for once, to make this easily accessible to everyone.

Does anyone know what happened to below patch? It afaics was meant to fix a regression that made it into 6.6. For details see:

https://lore.kernel.org/lkml/87a5v8szhc.fsf@xxxxxxxxx/
https://lore.kernel.org/lkml/ac9d4f7b-c7af-4d21-b0b8-d0f188b94b0f@xxxxxxx/

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
If I did something stupid, please tell me, as explained on that page.

On 13.11.23 13:33, Syed Saba Kareem wrote:
> Add pm ops for renoir platform.
>
> Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@xxxxxxx>
> ---
>  sound/soc/amd/acp/acp-renoir.c | 38
> +++++++++++++++++++++++++++++++++-
>  1 file changed, 37 insertions(+), 1 deletion(-)
>
> diff --git a/sound/soc/amd/acp/acp-renoir.c
> b/sound/soc/amd/acp/acp-renoir.c index a591482a0726..8539fbacdf4c
> 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"
> @@ -195,7 +196,11 @@ static int renoir_audio_probe(struct platform_device *pdev)
>       dev_set_drvdata(dev, adata);
>       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 +213,42 @@ 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,
>       },
>  };
>