Re: [PATCH] drm/i915: make IVB FDI training match spec v2

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On Sun, 18 Aug 2013 21:09:59 +0200
Daniel Vetter <daniel@xxxxxxxx> wrote:

> On Mon, Apr 08, 2013 at 05:50:07PM -0300, Paulo Zanoni wrote:
> > Hi
> > 
> > 2013/3/28 Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>:
> > > The existing code was trying different vswing and preemphasis settings
> > > in the wrong place, and wasn't trying them enough.  So add a loop to
> > > walk through them, properly disabling FDI TX and RX in between if a
> > > failure is detected.
> > >
> > > v2: remove unneeded reg writes, add delays around bit lock checks (Jesse)
> > >
> > > Signed-off-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
> 
> Apparently this patch can curb fdi link train fail on some machines:
> 
> https://bugs.freedesktop.org/show_bug.cgi?id=51983
> 
> Althouhg there's still other fail going on. Can you pls update your patch
> to Paulo's review and resend?

Sent, hopefully Paulo can add his r-b in reply.  Forgot to add the
reference above too, I guess you can do that when applying Paulo's r-b.

-- 
Jesse Barnes, Intel Open Source Technology Center
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