Re: [PATCH 1/2] drm/dp: Add defines for latency in sink

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On Thu, Sep 21, 2017 at 07:42:07AM -0700, Rodrigo Vivi wrote:
> On Wed, Sep 20, 2017 at 02:32:34PM +0000, vathsala nagaraju wrote:
> > Add defines for dpcd register 2009 (synchronization latency
> > in sink).
> > 
> > Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> > CC: Puthikorn Voravootivat <puthik@xxxxxxxxxxxx>
> > Signed-off-by: Vathsala Nagaraju <vathsala.nagaraju@xxxxxxxxx>
> 
> I keep forgetting to update my eDP spec 1.4 to this 1.4b...

Maybe the patch should then make this clear, by annotating it with
/* eDP 1.4b */ That's missing, which isn't all that great really, since it
makes specs hunts like yours necessary.

Please fix up before applying.
-Daniel
> 
> 
> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> 
> 
> 
> > ---
> >  include/drm/drm_dp_helper.h | 3 +++
> >  1 file changed, 3 insertions(+)
> > 
> > diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
> > index 11c39f1..846004e6 100644
> > --- a/include/drm/drm_dp_helper.h
> > +++ b/include/drm/drm_dp_helper.h
> > @@ -735,6 +735,9 @@
> >  # define DP_PSR_SINK_INTERNAL_ERROR         7
> >  # define DP_PSR_SINK_STATE_MASK             0x07
> >  
> > +#define DP_SINK_SYNCHRONIZATION_LATENCY	    0x2009
> > +# define DP_MAX_RESYNC_FRAME_CNT_MASK	    0xf
> > +
> >  #define DP_RECEIVER_ALPM_STATUS		    0x200b  /* eDP 1.4 */
> >  # define DP_ALPM_LOCK_TIMEOUT_ERROR	    (1 << 0)
> >  
> > -- 
> > 1.9.1
> > 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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