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

[Chris Wilson]

On Fri, 06 Aug 2010 22:57:33 +0100, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> On Fri, 06 Aug 2010 14:21:59 -0700, Eric Anholt <eric at anholt.net> wrote:
> > 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.

I was mistaken. I tried the wrong test case, in order to reproduce you
have to change the fb size for which apparently userspace also does
dpms-off/-on around the add fb. Not sure yet why this isn't caught and
reduced to a no-op by drm-core.

-- 
Chris Wilson, Intel Open Source Technology Centre