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    SubjectRe: [PATCH] drm/i915: By default, enable RC6 on IVB and SNB when reasonable
    Date
    On Tue, 22 Nov 2011 20:15:31 +0000, Matthew Garrett <mjg@redhat.com> wrote:

    > 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.

    You'd have to go into the BIOS to turn this on for most machines at
    least?

    But, yeah, it seems like we should be turning DMAR off unless explicitly
    requested; I can't understand how you'd ever need this running native on
    the hardware. Not exactly an area I care about deeply; I've always
    worked hard to make sure all virtualization garbage is disabled on every
    machine I use.

    --
    keith.packard@intel.com
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