Re: [PATCH 15/19] drm/i915: HSW cdclk support

Mika Kahola
2015-04-07T09:29:46Z

Definitely a good idea to check the audio part as well if there is
a doubt that by changing CD clock the audio would fail. I can check
this and I'll get back once I have the results.

Cheers,
Mika

On Tue, Apr 07, 2015 at 02:06:50PM +0530, Sivakumar Thulasimani wrote:
> where can i check this (audio driver) ? since there was no need for
> them to check CD clock value till now i don't think they will be
> doing it. also this needs to be changed in Display Audio controller,
> so not sure if audio driver has access to it in the first place.
> will be good to confirm this before merging as it will break display
> audio if it is not programmed.
>
> if any one has setup this can be confirmed by just switching CD
> clock after boot and playing an audio file.
>
> regards,
> Sivakumar
>
> On 4/7/2015 1:59 PM, Ville Syrjälä wrote:
> >On Tue, Apr 07, 2015 at 12:33:40PM +0530, Sivakumar Thulasimani wrote:
> >>sorry if i am missing something, HSW and BDW requires display audio
> >>controller to be updated with new values once CD clock is modified. how
> >>is this accomplished here ?
> >I'm hoping the audio driver will query the cdclk frequency after every
> >modeset.
> >
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx