Messages in this thread | | | Date | Mon, 8 Jun 2009 08:12:31 +0200 | From | Pavel Machek <> | Subject | Re: e_powersaver driver considered DANGEROUS (was Re: Linux 2.6.30-rc8 [also: VIA Support]) |
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Hi!
> > > Ah, but we are talking here of the *second* NetBook ever produced. > > > If one is to believe the dmidecode output - it is using the VIA demo board > > > BIOS. > > > > > > I bet the demo board BIOS is intended to demo the features of the product - > > > not the correctness or completeness of the ACPI support. ;) > > So I've just been told the VIA reference BIOS has full support for the > processor p-state support. I'd therefore suppose every production BIOS > contains that code, too. The kernel should never use a native driver such as > e_powersaver on any C7 or Nano system, but use the ACPI provided > tables/methods, which are intel compatible. A native driver would only be > needed on really old C3 systems. > > The e_powersaver.c driver neither respects the maximum/minimum frequency > constraints specified in the MSR's, nor does it take care of the inflection > ratio, parallax and other advanced stuff that C7 and Nano are doing in this > area.
Uhuh, what is inflection ratio/parallax?
I did play with cpufreq on intel/amd systems, and never heard about those...
Pavel
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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