[PATCH] drm/amdgpu: disable system memory page tables for now

[Michel Dänzer]

On 2019-01-07 2:45 p.m., Christian König wrote:
> We hit a problem with IOMMU with that. Disable until we have time to
> debug further.
> 
> Signed-off-by: Christian König <christian.koenig at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> index 4cc0d1079935..ccffcadfd73b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> @@ -847,9 +847,6 @@ static void amdgpu_vm_bo_param(struct amdgpu_device *adev, struct amdgpu_vm *vm,
>  	bp->size = amdgpu_vm_bo_size(adev, level);
>  	bp->byte_align = AMDGPU_GPU_PAGE_SIZE;
>  	bp->domain = AMDGPU_GEM_DOMAIN_VRAM;
> -	if (bp->size <= PAGE_SIZE && adev->asic_type >= CHIP_VEGA10 &&
> -	    adev->flags & AMD_IS_APU)
> -		bp->domain |= AMDGPU_GEM_DOMAIN_GTT;
>  	bp->domain = amdgpu_bo_get_preferred_pin_domain(adev, bp->domain);
>  	bp->flags = AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS |
>  		AMDGPU_GEM_CREATE_CPU_GTT_USWC;
> 

Thanks for taking care of this Christian. Maybe add a reference to at
least one of the bug reports about this, but either way:

Reviewed-by: Michel Dänzer <michel.daenzer at amd.com>


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer