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

[Dave Jones]

On Sat, Jan 31, 2004 at 12:35:12PM -0800, Tony Lindgren wrote:
 > Hi all,
 > 
 > Following is a little patch to do a sanity check on the max speed and 
 > voltage values provided by the bios.
 > 
 > Some buggy bioses provide bad values if the cpu changes, for example, in 
 > my case the bios claims the max cpu speed is 1600MHz, while it's running at
 > 1800MHz. (Cheapo Emachines m6805 you know...) This could also happen on 
 > machines where the cpu is upgraded.
 > 
 > These checks should be safe, as they only change things if the machine is
 > already running at a higher speed than the bios claims.

ye gads, yet another problem with eMachines PST tables.
Conclusive proof I think that we need the 'read from ACPI P state tables
when PST contains garbage' patch.

		Dave

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