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From: Chia-liang Kao <clkao@clkao.org>
To: Nate Lawson <nate@root.org>
Cc: "M. Warner Losh" <imp@bsdimp.com>, acpi-jp@jp.FreeBSD.org
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Subject: [acpi-jp 3115] Re: acpi FADT and throttle problems
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Ok, I just discovered hw.acpi.toshiba.cpu_speed being contrary to
acpi_toshiba(4) - the higher number of the sysctl makes the cpu
slower.

However after resuming the cpu_speed is set to 0 but it's really slow
as if i set it to 7 before, and setting it to any value later wouldn't
change the speed at all.

On Tue, Mar 16, 2004 at 02:48:39PM -0800, Nate Lawson wrote:
> Merely loading the driver won't help unless he uses the sysctls.
>=20
> One thing that might help ACPI Px states when I have the driver finished
> and committed.  I had the driver written and then had to back off to get
> infrastructure working to allow it to work (acpi rman, cpu newbus
> attachments -- and now I have to rework those#!#@$!#@$)  It's likely SMM
> code sets the Px state to the lowest before suspend and doesn't reset it
> on resume, leaving that to the OS.  It's also possible our _PSx code in
> the power branch will help.

Cheers,
CLK

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