[PATCH 02/11] drm/amdgpu: validate the VM root PD from the VM code

[Zhang, Jerry (Junwei)]

Patch 2 ~ 6 are

Reviewed-by: Junwei Zhang <Jerry.Zhang at amd.com>

Jerry

On 08/22/2018 11:05 PM, Christian König wrote:
> Preparation for following changes. This validates the root PD twice,
> but the overhead of that should be minimal.
>
> Signed-off-by: Christian König <christian.koenig at amd.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 8 ++++----
>   1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> index 73b8dcaf66e6..53ce9982a5ee 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> @@ -291,11 +291,11 @@ int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm,
>   	list_for_each_entry_safe(bo_base, tmp, &vm->evicted, vm_status) {
>   		struct amdgpu_bo *bo = bo_base->bo;
>
> -		if (bo->parent) {
> -			r = validate(param, bo);
> -			if (r)
> -				break;
> +		r = validate(param, bo);
> +		if (r)
> +			break;
>
> +		if (bo->parent) {
>   			spin_lock(&glob->lru_lock);
>   			ttm_bo_move_to_lru_tail(&bo->tbo);
>   			if (bo->shadow)
>