tree ee59fc6e9943c792d76b22053b8a47452197ca07
parent fe52e37fa85d8b1404bed1389dde16297dad706a
author Chris Wilson <chris@chris-wilson.co.uk> 1487148228 +0000
committer Chris Wilson <chris@chris-wilson.co.uk> 1487153247 +0000

drm/i915: Remove bitmap tracking for used-pdpes

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@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170215084357.19977-14-chris@chris-wilson.co.uk