On Mon, Sep 25, 2017 at 10:11 PM, Daniel Vetter <daniel@ffwll.ch> wrote:
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@intel.com>
> > CC: Puthikorn Voravootivat <puthik@chromium.org>
> > Signed-off-by: Vathsala Nagaraju <vathsala.nagaraju@intel.com>
>
> 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.

It's actually in eDP 1.4 spec, table 5-6 page 86
 
Please fix up before applying.
-Daniel
>
>
> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
>
>
>
> > ---
> >  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