[PATCH 1/2] drm/amdgpu: fix compile error on architecture s390

[Nirmoy]

Wouldn't this restrict amdgpu for only x86 platform?

On 3/11/21 4:29 AM, Oak Zeng wrote:
> ioremap_cache is not supported on some architecture
> such as s390. Put the codes into a #ifdef to fix
> some compile error reported by test robot.
>
> Signed-off-by: Oak Zeng <Oak.Zeng at amd.com>
> Reported-by: Kernel test robot <lkp at intel.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> index 37751e7..1091585 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> @@ -1817,7 +1817,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
>   
>   	/* Change the size here instead of the init above so only lpfn is affected */
>   	amdgpu_ttm_set_buffer_funcs_status(adev, false);
> -#ifdef CONFIG_64BIT
> +#ifdef CONFIG_X86
>   	if (adev->gmc.xgmi.connected_to_cpu)
>   		adev->mman.aper_base_kaddr = ioremap_cache(adev->gmc.aper_base,
>   				adev->gmc.visible_vram_size);