drm/i915/gtt: Recursive ppgtt clear for gen8

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With an explicit level, we can refactor the separate clear functions
as a simple recursive function. The additional knowledge of the level
allows us to spot when we can free an entire subtree at once.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190712112725.2892-3-chris@chris-wilson.co.uk

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Chris Wilson 2019-07-12 12:27:23 +01:00

parent 1eda701eac

commit 4c2be3c5eb

2 changed files with 104 additions and 64 deletions

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14

drivers/gpu/drm/i915/Kconfig.debug

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154

drivers/gpu/drm/i915/i915_gem_gtt.c

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