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(parent: fe52e37) | patch
drm/i915: Remove bitmap tracking for used-pdpes
authorChris Wilson <chris@chris-wilson.co.uk>
Wed, 15 Feb 2017 08:43:48 +0000 (08:43 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Wed, 15 Feb 2017 10:07:27 +0000 (10:07 +0000)
commite2b763caa6eb68ea56918ee6f79b40b82bdcf7c9
treeee59fc6e9943c792d76b22053b8a47452197ca07tree | snapshot (tar.gz zip)
parentfe52e37fa85d8b1404bed1389dde16297dad706acommit | diff
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
drivers/gpu/drm/i915/i915_gem_gtt.c diff | blob | blame | history
drivers/gpu/drm/i915/i915_gem_gtt.h diff | blob | blame | history