amdgpu_vm_bo_find
e->bo_va = amdgpu_vm_bo_find(vm, ttm_to_amdgpu_bo(e->tv.bo));
bo_va = amdgpu_vm_bo_find(vm, abo);
bo_va = amdgpu_vm_bo_find(vm, bo);
bo_va = amdgpu_vm_bo_find(&fpriv->vm, abo);
struct amdgpu_bo_va *amdgpu_vm_bo_find(struct amdgpu_vm *vm,