[PATCH] drm/i915: By default, enable RC6 on IVB and SNB when reasonable
eugeni at dodonov.net
Tue Nov 22 12:46:21 PST 2011
On Tue, Nov 22, 2011 at 18:15, Matthew Garrett <mjg at redhat.com> wrote:
> 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?
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