On Fri, Nov 18, 2011 at 10:41:29PM -0800, Keith Packard wrote:

> +     /*
> +      * Only enable RC6 if all dma remapping is disabled, or if
> +      * there's no iommu present in the machine.
> +      */
> +     if (INTEL_INFO(dev)->gen == 6)
> +             return no_iommu || dmar_disabled;

So the user has to choose between 5W of power saving or having dmar? And 
we default to giving them dmar? I think that's going to come as a 
surprise to people.

-- 
Matthew Garrett | mj...@srcf.ucam.org
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