drm/i915/gtt: Cache the PTE encoding of the scratch page

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As the most frequent PTE encoding is for the scratch page, cache it upon
creation.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180614184218.1606-1-chris@chris-wilson.co.uk

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This commit is contained in:

Chris Wilson 2018-06-14 19:42:17 +01:00

parent 4a192c7e8b

commit 986dbac480

2 changed files with 11 additions and 10 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

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20

drivers/gpu/drm/i915/i915_gem_gtt.c

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1

drivers/gpu/drm/i915/i915_gem_gtt.h

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