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 | mjg59 at srcf.ucam.org
