[Intel-gfx] [PATCH] drm/i915: set proper N/CTS in modeset

[Yang, Libin]

Hi Takashi,


> -----Original Message-----
> From: Takashi Iwai [mailto:tiwai at suse.de]
> Sent: Wednesday, September 23, 2015 4:41 PM
> To: Jani Nikula
> Cc: Yang, Libin; alsa-devel at alsa-project.org; intel-
> gfx at lists.freedesktop.org; daniel.vetter at ffwll.ch;
> ville.syrjala at linux.intel.com
> Subject: Re: [PATCH] drm/i915: set proper N/CTS in modeset
> 
> On Wed, 16 Sep 2015 15:03:15 +0200,
> Jani Nikula wrote:
> >
> > > diff --git a/include/drm/i915_component.h
> b/include/drm/i915_component.h
> > > index e6d35d7..89dc7d6 100644
> > > --- a/include/drm/i915_component.h
> > > +++ b/include/drm/i915_component.h
> > > @@ -24,8 +24,18 @@
> > >  #ifndef _I915_COMPONENT_H_
> > >  #define _I915_COMPONENT_H_
> > >
> > > +/* MAX_PORT is the number of port
> > > + * It must be sync with I915_MAX_PORTS defined i915_drv.h
> > > + * 5 should be enough as only HSW, BDW, SKL need such fix.
> >
> > You should probably add BUILD_BUG_ON(MAX_PORTS !=
> I915_MAX_PORTS)
> > somewhere near the loop above. Or at least change
> I915_MAX_PORTS to
> > ARRAY_SIZE(acomp->aud_sample_rate) in the loop to not run over
> the array
> > if MAX_PORTS gets out of sync.
> >
> > With that addressed one way or another, this is
> >
> > Reviewed-by: Jani Nikula <jani.nikula at intel.com>
> 
> Libin, could you resubmit the patch with fixes Jani suggested?
> Then I'm going to merge it to the existing topic/drm-sync-audio-rate
> branch.

OK, I will send it tomorrow.

Regards,
Libin

> 
> 
> thanks,
> 
> Takashi