[Intel-gfx] [PATCH 1/3] drm/i915: Only unwind the local pgtable layer if empty

[Chris Wilson]

On Mon, Feb 27, 2017 at 11:48:46AM +0000, Matthew Auld wrote:
> On 25 February 2017 at 23:25, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> > Only if we allocated the layer and the lower level failed should we
> > remove this layer when unwinding. Otherwise we ignore the overlapping
> > entries by overwritting the old layer with scratch.
> overwriting
> 
> >
> > Fixes: c5d092a4293f ("drm/i915: Remove bitmap tracking for used-pml4")
> > Fixes: e2b763caa6eb ("drm/i915: Remove bitmap tracking for used-pdpes")
> > Reported-by: Matthew Auld <matthew.william.auld at gmail.com>
> > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=99948
> https://bugs.freedesktop.org/show_bug.cgi?id=99947 ?

Oops, bad cut'n'paste.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre