diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 272b7902a25c..23c78af850c6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2824,6 +2824,26 @@ unreserve_bo: } /** + * amdgpu_vm_release_compute - release a compute vm + * @adev: amdgpu_device pointer + * @vm: a vm turned into compute vm by calling amdgpu_vm_make_compute + * + * This is a correspondant of amdgpu_vm_make_compute. It decouples compute + * pasid from vm. Compute should stop use of vm after this call. + */ +void amdgpu_vm_release_compute(struct amdgpu_device *adev, struct amdgpu_vm *vm) +{ + if (vm->pasid) { + unsigned long flags; + + spin_lock_irqsave(&adev->vm_manager.pasid_lock, flags); + idr_remove(&adev->vm_manager.pasid_idr, vm->pasid); + spin_unlock_irqrestore(&adev->vm_manager.pasid_lock, flags); + } + vm->pasid = 0; +} + +/** * amdgpu_vm_free_levels - free PD/PT levels * * @adev: amdgpu device structure |