From: Takashi Iwai <tiwai@suse.de>
To: Panagiotis Foliadis <pfoliadis@posteo.net>
Cc: Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org,
Charalampos Mitrodimas <charmitro@posteo.net>
Subject: Re: [PATCH] ALSA: hda/intel: increase default bdl_pos_adj for Nvidia controllers
Date: Wed, 25 Feb 2026 15:58:39 +0100 [thread overview]
Message-ID: <87v7fkdg4g.wl-tiwai@suse.de> (raw)
In-Reply-To: <20260225-nvidia-audio-fix-v1-1-b1383c37ec49@posteo.net>
On Wed, 25 Feb 2026 15:53:43 +0100,
Panagiotis Foliadis wrote:
>
> The default bdl_pos_adj of 32 for Nvidia HDA controllers is
> insufficient on GA102 (and likely other recent Nvidia GPUs) after S3
> suspend/resume. The controller's DMA timing degrades after resume,
> causing premature IRQ detection in azx_position_ok() which results in
> silent HDMI/DP audio output despite userspace reporting a valid
> playback state and correct ELD data.
>
> Increase bdl_pos_adj to 64 for AZX_DRIVER_NVIDIA, matching the value
> already used by Intel Apollo Lake for the same class of timing issue.
>
> Cc: stable@vger.kernel.org
> Closes: https://bugzilla.kernel.org/show_bug.cgi?id=221069
> Suggested-by: Charalampos Mitrodimas <charmitro@posteo.net>
> Signed-off-by: Panagiotis Foliadis <pfoliadis@posteo.net>
Thanks, applied now.
Takashi
next prev parent reply other threads:[~2026-02-25 14:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-25 14:53 [PATCH] ALSA: hda/intel: increase default bdl_pos_adj for Nvidia controllers Panagiotis Foliadis
2026-02-25 14:58 ` Takashi Iwai [this message]
-- strict thread matches above, loose matches on Subject: below --
2026-02-25 14:54 Panagiotis Foliadis
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