Re: [PATCH] drm/amdgpu/gmc6: fix DMA mask

[Christian König <ckoenig.leichtzumerken@xxxxxxxxx>]

Am 27.10.21 um 20:22 schrieb Alex Deucher:
> The DMA mask on SI parts is 40 bits not 44.  Looks like a copy
> paste typo.
>
> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>

Acked-by: Christian König <christian.koenig@xxxxxxx>

> ---
>   drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
> index 0e81e03e9b49..a9354cb2d639 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
> @@ -841,7 +841,7 @@ static int gmc_v6_0_sw_init(void *handle)
>   
>   	adev->gmc.mc_mask = 0xffffffffffULL;
>   
> -	r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44));
> +	r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(40));
>   	if (r) {
>   		dev_warn(adev->dev, "No suitable DMA available.\n");
>   		return r;