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

[Matthew Auld]

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 ?

Tested-by: Matthew Auld <matthew.auld at intel.com>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>