[Intel-gfx] [PATCH] drm/i915: Disable FDI link before retraining.

[Chris Wilson]

On Fri, 06 Aug 2010 14:21:59 -0700, Eric Anholt <eric at anholt.net> wrote:
> On Tue,  3 Aug 2010 08:12:12 +0100, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> > At the moment, we have a habit of occasionally performing a double dpms
> > on. This confuses the FDI link training performed on a dpms on as we can
> > only adjust the settings whilst the link is disabled and the second
> > attempt at training fails. A simple defensive workaround is to always
> > disable the link prior to adjustment and re-enabling on dpms on.
> 
> With the drm fix to not re-dpms the crtc, is this one still needed?

No. I had to disable both this and Dave Airlie's double dpms defense, but
with the drm crtc dpms fix this patch is no longer required.
-- 
Chris Wilson, Intel Open Source Technology Centre