Re: Select voltage manually in cpufreq

Chris Wedgwood
2003-02-18T21:58:59Z

On Tue, Feb 18, 2003 at 10:58:19PM +0100, Pavel Machek wrote:

> Well, and does slow-low-power mean 300MHz, 1.4V as bios said, or
> 300MHz, 1.2V which is probably also safe?

I have no idea... that's the point... the user almost never knows what
*exact* magic values are required, they just want fast-on-power or
slow-on-battery sort of thing.

> What about
> "as-fast-as-possible-but-not-exceed-140MHz-because-batteries-are-
> running-low-and-can-not-give-enough-current"? That's different from
> "fast-high-power", but it is *also* different from
> "slow-low-power". [This actually matters on beasts like
> zaurus]. What about
> "as-low-power-as-possible-but-make-sure-you-can-keep-display-up"?
> [On some machines cpu must be > some HMz for display to still work].

this just shows how silly these complex schemes are

you pick two options, a slow and fast option; both should work

--cw