[Intel-gfx] [PATCH] drm/i915: Disable FDI link before retraining.
chris at chris-wilson.co.uk
Fri Aug 6 23:57:33 CEST 2010
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
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