[Intel-gfx] [PATCH v2 1/2] drm/i915: provide interface for audio driver to query cdclk

[Damien Lespiau]

On Thu, Jul 03, 2014 at 10:32:38AM +0300, Jani Nikula wrote:
> On Thu, 03 Jul 2014, mengdong.lin at intel.com wrote:
> > From: Jani Nikula <jani.nikula at intel.com>
> 
> I wrote this as a quick hack patch to try as an alternative to [1] which
> ended up not working on Haswell. Please reassure me that this is going
> to be a temporary solution until we get a more generic interface between
> the audio and display drivers. I don't much like this, but at least it's
> isolated and small.
> 
> I'd like the commit message amended with something like:
> 
> """
> If the display power well has been disabled, the display audio
> controller divider values EM4 MVALUE and EM5 NVALUE will have been
> lost. The CDCLK frequency is required for reprogramming them. Provide a
> private interface for the audio driver to query CDCLK.
> 
> This is a stopgap solution until a more generic interface between audio
> and display drivers has been implemented.
> """
> 
> I'd also like to have an additional Reviewed-by from the i915
> side. After that, I'm fine with merging this through alsa.

Sure.

Reviewed-by: Damien Lespiau <damien.lespiau at intel.com>

-- 
Damien