[alsa-devel] HBR support on DP]

Subhransu S. Prusty subhransu.s.prusty at intel.com
Mon Sep 4 06:12:02 CEST 2017


On Fri, Sep 01, 2017 at 03:47:55PM +0200, Takashi Iwai wrote:
> On Fri, 01 Sep 2017 07:12:05 +0200,
> Subhransu S. Prusty wrote:
> > 
> > Hi Takashi/All,
> > 
> > On skylake platforms HBR audio works fine through over HDMI1.4, but not over
> > DP ports. Looking for information if anyone is aware of if HBR audio was
> > ever enabled/tested over DP ports? Is there any specific setting to be done
> > to play over DP using aplay?
> 
> I don't know of the difference regarding HBR setup between HDMI/DP
> from HD-audio POV.  It's just a pin control bit.
> 
> I guess the difference is rather in i915 graphics side?

Not sure. Checking with graphics people as well.

Regards,
Subhransu

> 
> 
> Takashi
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