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| author | Ben Skeggs <bskeggs@redhat.com> | 2013-05-06 22:36:33 (GMT) |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2013-07-01 03:45:09 (GMT) |
| commit | 780194b1b9f5fdbaa06dd71e60b31ceaaedafbe4 (patch) | |
| tree | 62430d6a1628c934454baae00a79ede867b1992d /drivers/gpu/drm/nouveau | |
| parent | 51a506c012edb4e8a34e3596df806e7d32067d8b (diff) | |
| download | linux-fsl-qoriq-780194b1b9f5fdbaa06dd71e60b31ceaaedafbe4.tar.xz | |
drm/nouveau/vm: make each vma take a reference on its parent vm
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/vm/base.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/base.c b/drivers/gpu/drm/nouveau/core/subdev/vm/base.c index 6fc3891..34d3fbf 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/vm/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/vm/base.c @@ -320,7 +320,8 @@ nouveau_vm_get(struct nouveau_vm *vm, u64 size, u32 page_shift, } mutex_unlock(&nv_subdev(vmm)->mutex); - vma->vm = vm; + vma->vm = NULL; + nouveau_vm_ref(vm, &vma->vm, NULL); vma->offset = (u64)vma->node->offset << 12; vma->access = access; return 0; @@ -342,6 +343,8 @@ nouveau_vm_put(struct nouveau_vma *vma) nouveau_vm_unmap_pgt(vm, vma->node->type != vmm->spg_shift, fpde, lpde); nouveau_mm_free(&vm->mm, &vma->node); mutex_unlock(&nv_subdev(vmm)->mutex); + + nouveau_vm_ref(NULL, &vma->vm, NULL); } int |