[Intel-gfx] [PATCH 3/6] drm/i915: warn when a vblank wait times out

[Jesse Barnes]

On Sat, 5 Apr 2014 17:22:40 +0200
Daniel Vetter <daniel at ffwll.ch> wrote:

> On Sat, Apr 05, 2014 at 07:29:22AM +0100, Chris Wilson wrote:
> > On Fri, Apr 04, 2014 at 04:12:09PM -0700, Jesse Barnes wrote:
> > > This always indicates a bug somewhere.
> > 
> > We keep turning this off because we hadn't fixed all the bugs - as we
> > try to wait on a dead pipe. Maybe this time we won't be inundated with
> > WARNs...
> 
> We're really early in the 3.16 cycle. If Jesse promises to chase down all
> the fallout I'll happily merge this - we really need to get this done
> sometimes.

It helped me find a missing backport in the Chromium tree for the
vblank code on BYT, so it's already been helpful.

Let the flood of bug reports begin!

-- 
Jesse Barnes, Intel Open Source Technology Center