[Mesa-stable] [PATCH 3/3] i965/miptree: Use the correct BLT pitch

[Chris Wilson]

Quoting Nanley Chery (2018-07-12 18:28:16)
> Retile miptrees to a linear tiling less often. Retiling can cause issues
> with imported BOs.
> 
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106738
> Suggested-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: <mesa-stable at lists.freedesktop.org>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris