[PATCH] drm/amdgpu: fix 64bit BAR detection

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Ping? Alex, David, anybody?

Am 08.01.2018 um 14:51 schrieb Christian König:
> Windows added by the BIOS are not marked as 64bit because they are
> usually not changeable anyway.
>
> This fixes large BAR support on my new Ryzen build system.
>
> Signed-off-by: Christian König <christian.koenig at amd.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index e91575311646..7114f2527edc 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -626,7 +626,7 @@ int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev)
>   		root = root->parent;
>   
>   	pci_bus_for_each_resource(root, res, i) {
> -		if (res && res->flags & IORESOURCE_MEM_64 &&
> +		if (res && res->flags & (IORESOURCE_MEM | IORESOURCE_MEM_64) &&
>   		    res->start > 0x100000000ull)
>   			break;
>   	}



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