22 Nov
2011
22 Nov
'11
8:15 p.m.
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@srcf.ucam.org