Messages in this thread | | | Date | Mon, 3 Oct 2011 16:21:08 -0700 | From | Jesse Barnes <> | Subject | Re: [Intel-gfx] PCH reference clock cleanups |
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On Mon, 03 Oct 2011 16:18:48 -0700 Keith Packard <keithp@keithp.com> wrote:
> On Mon, 3 Oct 2011 14:14:23 -0700, Jesse Barnes <jbarnes@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.
Agreed; fortunately shutting everything off when no outputs are active should be simpler than trying flip the bits on & off every mode set. :)
-- Jesse Barnes, Intel Open Source Technology Center
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