drm/i915: Remove bitmap tracking for used-pml4

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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/20170215084357.19977-15-chris@chris-wilson.co.uk

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Chris Wilson 2017-02-15 08:43:49 +00:00

parent e2b763caa6

commit c5d092a429

2 changed files with 38 additions and 96 deletions

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132

drivers/gpu/drm/i915/i915_gem_gtt.c

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2

drivers/gpu/drm/i915/i915_gem_gtt.h

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