Fan+heat troubles on MacBook Pro

Matthew Garrett mjg at redhat.com
Mon Nov 29 19:22:45 UTC 2010


On Mon, Nov 29, 2010 at 08:20:31PM +0100, christoffer.buchholz at gmail.com wrote:
> On Mon, Nov 29, 2010 at 5:21 PM, Matthew Garrett <mjg59 at srcf.ucam.org> wrote:
> > There's two things that are at play here. The first is that we don't
> > implement power management for nvidia GPUs yet, so your GPU is busy
> > generating piles of heat all the time. The other is that Apple don't use
> > any kind of standard thermal control interface. We can't control their
> > fans through ACPI. We can influence their fan behaviour through the SMC
> > interface, but we have no idea what the correct OS interaction behaviour
> > is.
> 
> Can you say if and when power management for nvidia GPUs will come? Is
> the work already started, and is it something I can try out?

Nouveau's gained some recently, but it's not stable enough to be done on 
the fly as yet.

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


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