Re: [PATCH 1/6] platform: specify the IOMMU physical translation bit

[Terje Bergstrom <tbergstrom-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>]

On 04/16/2015 04:06 AM, Vince Hsu wrote:
> diff --git a/drm/nouveau/nouveau_platform.h b/drm/nouveau/nouveau_platform.h
> index 392874cf4725..3e9bd7dc0092 100644
> --- a/drm/nouveau/nouveau_platform.h
> +++ b/drm/nouveau/nouveau_platform.h
> @@ -53,6 +53,7 @@ struct nouveau_platform_gpu {
>   		struct nvkm_mm *mm;
>   		struct iommu_domain *domain;
>   		unsigned long pgshift;
> +		unsigned long phys_addr_bit;
>   	} iommu;
>   };
The naming is a bit reversed - the bit set tells we use SMMU, and bit 
cleared tells we use physical addressing. So the name of the bit should 
be iommu_addr_bit.

Terje
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