[Intel-gfx] [PATCH 15/19] drm/i915: Remove bitmap tracking for used-pml4

[Matthew Auld]

On 2 February 2017 at 15:02, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> We only operate on known extents (both for alloc/clear) and so we can use
> both the knowledge of the bind/unbind range along with the knowledge of
> the existing pagetable to avoid having to allocate temporary and
> auxiliary bitmaps.
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>