[Intel-gfx] PCH reference clock cleanups

[Keith Packard]

On Mon, 3 Oct 2011 14:14:23 -0700, Jesse Barnes <jbarnes at virtuousgeek.org> wrote:

> Now... is keeping the various refclks enabled costing us any power?
> IOW, should we be trying to disable them when everything has been
> DPMS'd off too?

That's the same as tracking usage and enabling/disabling on the fly as
modes are set. I think it's possible, but I'd like to have the 'simpler'
fix present before we try a power saving move.

-- 
keith.packard at intel.com
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