[PATCH] drm/amdgpu: fix VM clearing for the root PD

[Zhang, Jerry]

> From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Christian
> K?nig
> Sent: Friday, August 17, 2018 20:24
> To: amd-gfx at lists.freedesktop.org
> Subject: [PATCH] drm/amdgpu: fix VM clearing for the root PD
> 
> We need to figure out the address after validating the BO, not before.
> 
> Signed-off-by: Christian König <christian.koenig at amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang at amd.com>

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> index 662e8a34d52c..662aec5c81d4 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> @@ -369,7 +369,6 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device
> *adev,
>  	uint64_t addr;
>  	int r;
> 
> -	addr = amdgpu_bo_gpu_offset(bo);
>  	entries = amdgpu_bo_size(bo) / 8;
> 
>  	if (pte_support_ats) {
> @@ -401,6 +400,7 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device
> *adev,
>  	if (r)
>  		goto error;
> 
> +	addr = amdgpu_bo_gpu_offset(bo);
>  	if (ats_entries) {
>  		uint64_t ats_value;
> 
> --
> 2.17.1
> 
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