[Intel-gfx] [PATCH] ALSA: hda/hdmi: Disable silent stream on GLK

[Kai Vehmanen]

Hi,

On Wed, 22 Dec 2021, Ville Syrjala wrote:

> 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.

decoupling the call to get_power() is a non-trivial change
(especially as it's done from generic hda_codec.c code),
so I'd say let's go with this patch for GLK:

Reviewed-by: Kai Vehmanen <kai.vehmanen at linux.intel.com>

Br, Kai