I commented on patches 2 and 3 in separate emails. The rest of the 
series is Reviewed-by: Felix Kuehling <[email protected]>


On 2019-02-19 8:40 a.m., Christian König wrote:
> Clear the VM PDs/PTs only after initializing all the structures.
>
> Signed-off-by: Christian König <[email protected]>
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 11 ++++++-----
>   1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c 
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> index 942b5ebc6dc2..12d51d96491e 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> @@ -945,10 +945,6 @@ int amdgpu_vm_alloc_pts(struct amdgpu_device *adev,
>               if (r)
>                       return r;
>   
> -             r = amdgpu_vm_clear_bo(adev, vm, pt, cursor.level, ats);
> -             if (r)
> -                     goto error_free_pt;
> -
>               if (vm->use_cpu_for_update) {
>                       r = amdgpu_bo_kmap(pt, NULL);
>                       if (r)
> @@ -961,6 +957,10 @@ int amdgpu_vm_alloc_pts(struct amdgpu_device *adev,
>               pt->parent = amdgpu_bo_ref(cursor.parent->base.bo);
>   
>               amdgpu_vm_bo_base_init(&entry->base, vm, pt);
> +
> +             r = amdgpu_vm_clear_bo(adev, vm, pt, cursor.level, ats);
> +             if (r)
> +                     goto error_free_pt;
>       }
>   
>       return 0;
> @@ -3031,13 +3031,14 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct 
> amdgpu_vm *vm,
>       if (r)
>               goto error_unreserve;
>   
> +     amdgpu_vm_bo_base_init(&vm->root.base, vm, root);
> +
>       r = amdgpu_vm_clear_bo(adev, vm, root,
>                              adev->vm_manager.root_level,
>                              vm->pte_support_ats);
>       if (r)
>               goto error_unreserve;
>   
> -     amdgpu_vm_bo_base_init(&vm->root.base, vm, root);
>       amdgpu_bo_unreserve(vm->root.base.bo);
>   
>       if (pasid) {
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