Re: [Intel-gfx] [PATCH RESEND 9/9] drm/i915: set proper N/M in modeset

2016-10-21 Thread Yang, Libin
gt;; intel-gfx@lists.freedesktop.org; Zhang, Keqiao > <keqiao.zh...@intel.com>; libin.y...@linux.intel.com; Pandiyan, > Dhinakaran <dhinakaran.pandi...@intel.com>; Zhao, Juan J > <juan.j.z...@intel.com> > Subject: Re: [Intel-gfx] [PATCH RESEND 9/9] drm/i915: set proper N/

Re: [Intel-gfx] [PATCH RESEND 9/9] drm/i915: set proper N/M in modeset

2016-10-21 Thread Yang, Libin
Dhinakaran > <dhinakaran.pandi...@intel.com>; Zhang, Keqiao > <keqiao.zh...@intel.com>; Zhao, Juan J <juan.j.z...@intel.com> > Subject: RE: [Intel-gfx] [PATCH RESEND 9/9] drm/i915: set proper N/M in > modeset > > On Thu, 20 Oct 2016, "Yang, Libin" <libin

Re: [Intel-gfx] [PATCH RESEND 9/9] drm/i915: set proper N/M in modeset

2016-10-20 Thread Ville Syrjälä
On Thu, Oct 20, 2016 at 02:34:34PM +0300, Jani Nikula wrote: > On Thu, 20 Oct 2016, "Yang, Libin" wrote: > >> >> Any particular reason these M/N values are half of what they're in > >> >> table > >> >> 2-104 of DP 1.4 spec? (Admittedly the table is an informative > >> >>

Re: [Intel-gfx] [PATCH RESEND 9/9] drm/i915: set proper N/M in modeset

2016-10-20 Thread Jani Nikula
On Thu, 20 Oct 2016, "Yang, Libin" wrote: >> >> Any particular reason these M/N values are half of what they're in >> >> table >> >> 2-104 of DP 1.4 spec? (Admittedly the table is an informative >> >> example.) >> > >> > For HDMI, we found only set N is enough. HW then can

Re: [Intel-gfx] [PATCH RESEND 9/9] drm/i915: set proper N/M in modeset

2016-10-20 Thread Yang, Libin
t; <dhinakaran.pandi...@intel.com>; Zhang, Keqiao > <keqiao.zh...@intel.com>; Zhao, Juan J <juan.j.z...@intel.com> > Subject: RE: [Intel-gfx] [PATCH RESEND 9/9] drm/i915: set proper N/M in > modeset > > On Thu, 20 Oct 2016, "Yang, Libin" <libin.y...@inte

Re: [Intel-gfx] [PATCH RESEND 9/9] drm/i915: set proper N/M in modeset

2016-10-20 Thread Jani Nikula
el.com>; intel-gfx@lists.freedesktop.org >> Cc: libin.y...@linux.intel.com; Pandiyan, Dhinakaran >> <dhinakaran.pandi...@intel.com>; Zhang, Keqiao >> <keqiao.zh...@intel.com>; Zhao, Juan J <juan.j.z...@intel.com> >> Subject: RE: [Intel-gfx] [PATCH R

Re: [Intel-gfx] [PATCH RESEND 9/9] drm/i915: set proper N/M in modeset

2016-10-19 Thread Yang, Libin
Dhinakaran > <dhinakaran.pandi...@intel.com>; Zhang, Keqiao > <keqiao.zh...@intel.com>; Zhao, Juan J <juan.j.z...@intel.com> > Subject: RE: [Intel-gfx] [PATCH RESEND 9/9] drm/i915: set proper N/M in > modeset > > > Sorry it's taken me forever to get back to this. S

Re: [Intel-gfx] [PATCH RESEND 9/9] drm/i915: set proper N/M in modeset

2016-10-19 Thread Jani Nikula
la >> > Sent: Monday, October 10, 2016 11:04 PM >> > To: intel-gfx@lists.freedesktop.org >> > Cc: Nikula, Jani <jani.nik...@intel.com>; libin.y...@linux.intel.com; >> > Pandiyan, Dhinakaran <dhinakaran.pandi...@intel.com> >> > Subject: [Intel-gfx] [P

Re: [Intel-gfx] [PATCH RESEND 9/9] drm/i915: set proper N/M in modeset

2016-10-12 Thread Zhang, Keqiao
gt;; libin.y...@linux.intel.com; Pandiyan, Dhinakaran <dhinakaran.pandi...@intel.com> Subject: [Intel-gfx] [PATCH RESEND 9/9] drm/i915: set proper N/M in modeset When modeset occurs and the LS_CLK is set to some special values in DP mode, the N/M need to be set manually if audio is playing. O

Re: [Intel-gfx] [PATCH RESEND 9/9] drm/i915: set proper N/M in modeset

2016-10-12 Thread Yang, Libin
i <jani.nik...@intel.com>; libin.y...@linux.intel.com; > Pandiyan, Dhinakaran <dhinakaran.pandi...@intel.com> > Subject: Re: [Intel-gfx] [PATCH RESEND 9/9] drm/i915: set proper N/M in > modeset > > > > > -Original Message- > > From: Intel-gfx [mailto:int

Re: [Intel-gfx] [PATCH RESEND 9/9] drm/i915: set proper N/M in modeset

2016-10-11 Thread Lin, Mengdong
ux.intel.com; > Pandiyan, Dhinakaran <dhinakaran.pandi...@intel.com> > Subject: [Intel-gfx] [PATCH RESEND 9/9] drm/i915: set proper N/M in > modeset > > When modeset occurs and the LS_CLK is set to some special values in DP > mode, the N/M need to be set manually if audio is pl

[Intel-gfx] [PATCH RESEND 9/9] drm/i915: set proper N/M in modeset

2016-10-10 Thread Jani Nikula
When modeset occurs and the LS_CLK is set to some special values in DP mode, the N/M need to be set manually if audio is playing. Otherwise the first several seconds may be silent in audio playback. The relationship of Maud and Naud is expressed in the following equation: Maud/Naud = 512 * fs /