Re: [PATCH] drm/i915: By default, enable RC6 on IVB and SNB when reasonable

[Keith Packard]

On Tue, 22 Nov 2011 20:15:31 +0000, Matthew Garrett <mjg@xxxxxxxxxx> 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@xxxxxxxxx

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