On Thu, May 12, 2011 at 03:32:56PM +0200, Christopher Zimmermann wrote:
> On 05/12/11 14:37, Vadim Zhukov wrote:
> >Hello all.
> >
> >Here is a patch that allows for me to work on other things. :) Basically,
> >it makes OS choose fan mode instead of firmware. Main feature here is
> >enabling of "disengadged" mode when temperature goes critical, picking
> >80C as a "red line". Now I can fully load CPU on my X201i -
> >say, "make -j 4" - and it still works instead of being powering off by
> >acpitz(4).
> >
> >All information was taken from Linux's thinkpad_acpi.c:
> >http://lxr.free-electrons.com/source/drivers/platform/x86/thinkpad_acpi.c
> >(look at "2f" register).
> >
> >I also fixed a few style nits here and there.
> >
> 
> That's a nice approach you are taking here. Switching to disengaged
> only when cpu gets too hot and letting firmware handle fan
> autoregulation otherwise. When I find the time I, maybe I will
> finish my patch to allow fan regulation from userspace, but then
> certeinly keep your approach as failsafe.

User space will not be allowed to play.  I don't have a stinkpad so I
can't test this but I do encourage people to play with this diff and
report to the list.

> 
> 
> Christopher

Reply via email to