Re: Centrino speedstep

Bruno Ducrot
2004-12-30T10:28:09Z

On Wed, Dec 29, 2004 at 10:00:20PM +0100, Dominik Brodowski wrote:
> On Wed, Dec 29, 2004 at 07:18:34PM +0100, Bruno Ducrot wrote:
> > This also mean there is no way to get the ondemand governor (or any DVS
> > requiring low latency driver)
>
> IIRC it depends on the latency reported by the ACPI data, and 100us (what I
> usually see there) isn't that bad...

I don't trust the fact that having to go to SMI (with all the implied
things like access to the SMRAM, flushing processor cache and so on)
will give a latency of 100us, but of course I may be wrong.

> > There is no _CST also, this means there is no C4 support :(
>
> Also no SSDT?

Nope.

--
Bruno Ducrot

-- Which is worse: ignorance or apathy?
-- Don't know. Don't care.