Re: [PATCH] ALSA: hda/hdmi: Disable silent stream on GLK

Takashi Iwai
2021-12-25T08:17:24Z

On Wed, 22 Dec 2021 15:53:50 +0100,
Ville Syrjala wrote:
>
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
>
> The silent stream stuff recurses back into i915 audio
> component .get_power() from the .pin_eld_notify() hook.
> On GLK this will deadlock as i915 may already be holding
> the relevant modeset locks during .pin_eld_notify() and
> the GLK audio vs. CDCLK workaround will try to grab the
> same locks from .get_power().
>
> Until someone comes up with a better fix just disable the
> silent stream support on GLK.
>
> Cc: stable@vger.kernel.org
> Cc: Harsha Priya <harshapriya.n@intel.com>
> Cc: Emmanuel Jillela <emmanuel.jillela@intel.com>
> Cc: Kai Vehmanen <kai.vehmanen@linux.intel.com>
> Cc: Takashi Iwai <tiwai@suse.de>
> Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2623
> Fixes: 951894cf30f4 ("ALSA: hda/hdmi: Add Intel silent stream support")
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

Thanks, applied now.

Takashi