drm/nouveau/mmu: protect each vm with its own mutex
authorBen Skeggs <bskeggs@redhat.com>
Thu, 20 Aug 2015 04:54:17 +0000 (14:54 +1000)
committerBen Skeggs <bskeggs@redhat.com>
Fri, 28 Aug 2015 02:40:35 +0000 (12:40 +1000)
commit1de68568d69ac518db076cc6118af91e930b5f90
tree1da6741149cc84fc05c3ad42571df363a035bacf
parent524bdbf2025d44cdea672511d21012a52b427374
drm/nouveau/mmu: protect each vm with its own mutex

An upcoming commit requires being able to modify the PRAMIN BAR page
tables while already holding the MMU subdev mutex.

To solve this issue, each VM has been given its own mutex.  As a nice
side-effect, this also allows separate VMs to be updated concurrently.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
drivers/gpu/drm/nouveau/nouveau_drm.c
drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c
drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gf100.c
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv44.c
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv50.c