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

[Vince Hsu]

On 04/17/2015 04:41 AM, Terje Bergstrom wrote:
>
> 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.
Yep, you're right. How about just "addr_bit" because we already have the 
struct name iommu as prefix.

Thanks,
Vince



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