From: sashiko-bot@kernel.org
To: "Diogo Sousa" <diogogsousa@gmail.com>, linux-pci@vger.kernel.org
Subject: Re: [PATCH] PCI: Disable async suspend for AMD rev 0x62 ACP and HD Audio
Date: Fri, 16 Oct 2026 13:55:52 +0000 [thread overview]
Message-ID: <sashiko-outbox-174417@kernel.org> (raw)
In-Reply-To: <20261016135042.44914-1-diogogsousa@gmail.com>
> On AMD platforms with a revision 0x62 ACP, such as Dragon Range and Fire
> Range laptops, the HD Audio controller usually stops responding after
> resume from suspend:
>
> snd_hda_intel 0000:69:00.6: CORB reset timeout#2, CORBRP = 65535
>
> Audio playback then stalls.
>
> The ACP (function 5) and the HD Audio controller (function 6) share an
> audio block whose power is gated by the firmware. In the AMD CPMACPV4
> SSDT, the _PS0 method of each function marks the function as present
> and then calls a common method that powers the block up only if exactly
> one function is present:
>
> Method (_PS0, 0, NotSerialized) // ACP; AZAL sets M279 instead
> [ ... ]
>
> Fixes: df4148a5a3cf ("ASoC: Add DMIC support for the AMD RPL platform")
> Link: https://github.com/CachyOS/linux-cachyos/issues/950
> Assisted-by: LLM
> Signed-off-by: Diogo Sousa <diogogsousa@gmail.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261016135042.44914-1-diogogsousa@gmail.com?part=1
next prev parent reply other threads:[~2026-10-16 13:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-16 13:50 [PATCH] PCI: Disable async suspend for AMD rev 0x62 ACP and HD Audio Diogo Sousa
2026-10-16 13:55 ` sashiko-bot [this message]
2026-10-16 21:43 ` Mario Limonciello
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