Re: [Intel-gfx] [PATCH] drm/i915/audio: fix hdmi audio noise issue

2016-11-09 Thread Yang, Libin
> -Original Message- > From: Jani Nikula [mailto:jani.nik...@linux.intel.com] > Sent: Wednesday, November 9, 2016 6:59 PM > To: Yang, Libin ; intel-gfx@lists.freedesktop.org; > ville.syrj...@linux.intel.com; Vetter, Daniel ; > ti...@suse.de > Cc: Yang, Libin > Subject: Re: [PATCH] drm/i91

Re: [Intel-gfx] [PATCH] drm/i915/audio: fix hdmi audio noise issue

2016-11-09 Thread Jani Nikula
On Wed, 09 Nov 2016, libin.y...@intel.com wrote: > From: Libin Yang > > This issue is caused by: > 6014ac12: drm/i915/audio: set proper N/M in modeset > > Some special monitors will have noise or even no sound after > applying the patch 6014ac12. > > In patch 6014ac12, it will reset the cts value

[Intel-gfx] [PATCH] drm/i915/audio: fix hdmi audio noise issue

2016-11-09 Thread libin . yang
From: Libin Yang This issue is caused by: 6014ac12: drm/i915/audio: set proper N/M in modeset Some special monitors will have noise or even no sound after applying the patch 6014ac12. In patch 6014ac12, it will reset the cts value to 0 for HDMI. However, we need disable Enable CTS or M Prog bit