Re: [PATCH v2 0/4] ALSA/ASoC: Conditionally skip i915 init and cleanups

[Takashi Iwai <tiwai@suse.de>]

On Fri, 23 Feb 2024 12:46:22 +0100,
Cezary Rojewski wrote:
> 
> A small set of changes to improve initialization of the audio stack on
> HDAudio devices and pair of cleanups.
> 
> As the first change is the most important one here, following is the
> technical background for it:
> 
> Commit 78f613ba1efb ("drm/i915: finish removal of CNL") and its friends
> removed support for i915 for all CNL-based platforms. HDAudio library,
> however, still treats such platforms as valid candidates for i915
> binding. Update query mechanism to reflect changes made in drm tree.
> 
> At the same time, i915 support for LKF-based platforms has not been
> provided so remove them from valid binding candidates.
> 
> The snd_soc_hda change is a follow up for the above and the cleanup
> patches do not bring any functional changes.
> 
> Changes in v2:
> - list of problematic VGA devices is now declared locally, no more
>   touching drm stuff
> 
> Cezary Rojewski (4):
>   ALSA: hda: Skip i915 initialization on CNL/LKF-based platforms
>   ASoC: codecs: hda: Skip HDMI/DP registration if i915 is missing
>   ASoC: codecs: hda: Cleanup error messages
>   ALSA: hda: Reuse for_each_pcm_streams()

As far as I see, all those 4 patches are rather individually
applicable, right?
The essential change is the first patch, and the patch 2 is rather an
improvement (the driver gives -ENODEV as of now).
And the rest two are merely cleanups.


Takashi