Re: [PATCH] Powernow-k8 buggy BIOS override for 2.6.6
From: Pavel Machek (pavel_at_ucw.cz)
Date: 05/13/04
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Date: Thu, 13 May 2004 18:26:43 +0200 To: Tony Lindgren <tony@atomide.com>
Hi!
> Following is the updated patch to make the powernow-k8 driver work on
> machines with buggy BIOS, such as emachines m6805.
>
> The patch overrides the PST table only if check_pst_table() fails.
>
> The minimum value for the override is 800MHz, which is the lowest value
> on all x86_64 systems AFAIK. The max value is the current running value.
>
> This patch should be safe to apply, even if Pavel's ACPI table check is
> added to the driver. Or does anybody see a problem with it?
Well, there may be problems with that.
BIOSen sometimes run cpu at too high voltage. Plus, for changing
frequency you need to run at even higher voltage... and that may be
too high.
Is there some problem with ACPI on your system?
Pavel
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- Previous message: scott douglass: "local_irq_save, memory clobbering and volatile"
- In reply to: Tony Lindgren: "[PATCH] Powernow-k8 buggy BIOS override for 2.6.6"
- Next in thread: Tony Lindgren: "Re: [PATCH] Powernow-k8 buggy BIOS override for 2.6.6"
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