[PATCH 2/2] drm/amdgpu: enable swiotlb for gmc 11.0

[Huang Rui]

On Mon, Jul 25, 2022 at 09:59:08AM +0800, Liu, Aaron wrote:
> Enable swiotlb for gmc 11.0.
> 
> Signed-off-by: Aaron Liu <aaron.liu at amd.com>

Series are Reviewed-by: Huang Rui <ray.huang at amd.com>

> ---
>  drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
> index 503e40a90319..1471bfb9ae38 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
> @@ -22,6 +22,9 @@
>   */
>  #include <linux/firmware.h>
>  #include <linux/pci.h>
> +
> +#include <drm/drm_cache.h>
> +
>  #include "amdgpu.h"
>  #include "amdgpu_atomfirmware.h"
>  #include "gmc_v11_0.h"
> @@ -775,6 +778,8 @@ static int gmc_v11_0_sw_init(void *handle)
>  		return r;
>  	}
>  
> +	adev->need_swiotlb = drm_need_swiotlb(44);
> +
>  	r = gmc_v11_0_mc_init(adev);
>  	if (r)
>  		return r;
> -- 
> 2.37.0
>