Re: [PATCH] powernow-k8 max speed sanity check

[Tony Lindgren]

* Pavel Machek <pavel@xxxxxx> [040206 04:57]:
> 
> > But I meant calculating all the valid values inbetween min and max without
> > relying on getting those values from the BIOS.
> 
> I do not think values can be calculated by some simple
> formula. voltage/frequency relations may be quite complex..
> 
> > I guess the code already does that to figure out how many steps are needed
> > to change between min and max?
> 
> Well, but it steps voltage first, then frequency [going up] or
> frequency first, voltage then [going down]; middle values used by the
> transitions are not too good if you want to be power-efficient.

OK, I see. Then your idea of using a lookup table for blacklisted BIOSes
makes good sense.

Tony
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