drm/nouveau/mmu: implement page table sub-allocation

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GP100 "big" (which is a funny name, when it supports "even bigger") page
tables are small enough that we want to be able to suballocate them from
a larger block of memory.

This builds on the previous page table cache interfaces so that the VMM
code doesn't need to know the difference.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

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This commit is contained in:

Ben Skeggs 2017-11-01 03:56:19 +10:00

parent 9a45ddaaa6

commit f128039410

3 changed files with 101 additions and 1 deletions

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2

drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h

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98

drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c

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2

drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h

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