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SubjectRe: [PATCH 2/2] drm/i915: By default, enable RC6 on IVB and SNB when reasonable
On Fri, Dec 09, 2011 at 03:53:49PM -0800, Keith Packard wrote:
> RC6 should always work on IVB, and should work on SNB whenever IO
> remapping is disabled. RC6 never works on Ironlake. Make the default
> value for the parameter follow these guidelines. Setting the value
> to either 0 or 1 will force the specified behavior.

I still don't like this. We're in a situation where we clearly have to
disable one feature or the other on SNB - but we're disabling the one
that's going to be useful to a large number of people, and leaving the
niche feature enabled. If we're going to merge this then let's turn off
iommu on SNB by default.

--
Matthew Garrett | mjg59@srcf.ucam.org


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