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authorBen Skeggs <bskeggs@redhat.com>2017-11-01 03:56:19 +1000
committerBen Skeggs <bskeggs@redhat.com>2017-11-02 13:32:25 +1000
commit806a7335653743a33f476a3705d55bada95b7dfe (patch)
tree21ac49a98d3917c0ffd127e126833c45ff1056cb /drivers/misc
parentf1280394109a3a3a7ef1c37950d4356b12e75cb9 (diff)
drm/nouveau/mmu: implement base for new vm management
This is the first chunk of the new VMM code that provides the structures needed to describe a GPU virtual address-space layout, as well as common interfaces to handle VMM creation, and connecting instances to a VMM. The constructor now allocates the PD itself, rather than having the user handle that manually. This won't/can't be used until after all backends have been ported to these interfaces, so a little bit of memory will be wasted on Fermi and newer for a couple of commits in the series. Compatibility has been hacked into the old code to allow each GPU backend to be ported individually. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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