Date: Mon, 20 Sep 2004 12:31:15 +0200 From: Bruno Ducrot <ducrot@poupinou.org> To: Jochen Gensch <incmc@gmx.de> Cc: freebsd-mobile@freebsd.org Subject: Re: [speedstep] testers wanted Message-ID: <20040920103115.GH16132@poupinou.org> In-Reply-To: <414894AC.3060608@gmx.de> References: <414894AC.3060608@gmx.de>
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On Wed, Sep 15, 2004 at 09:14:52PM +0200, Jochen Gensch wrote: > > I just finished a speedstep driver for p3m and p4m but it's a little bit > > ugly, and worst it would work only with ich chipsets. Even worst, I > > don't have the hardware so I can't test it. > > I don't if I have the correct hardware, but I gave it a try since I have > IBM Thinkpad A30p here with a lot of ICH things inside. But I need some > more input on what data you need... Looks OK. > > Some things... > > System 5.3-BETA4 > > SU NB /:dmesg | grep ICH > uhci0: <Intel 82801CA/CAM (ICH3) USB controller USB-A> port > 0x1800-0x181f irq 9 at device 29.0 on pci0 > usb0: <Intel 82801CA/CAM (ICH3) USB controller USB-A> on uhci0 > uhci1: <Intel 82801CA/CAM (ICH3) USB controller USB-B> port > 0x1820-0x183f irq 11 at device 29.1 on pci0 > usb1: <Intel 82801CA/CAM (ICH3) USB controller USB-B> on uhci1 > uhci2: <Intel 82801CA/CAM (ICH3) USB controller USB-C> port > 0x1840-0x185f irq 9 at device 29.2 on pci0 > usb2: <Intel 82801CA/CAM (ICH3) USB controller USB-C> on uhci2 > fxp0: <Intel 82801CAM (ICH3) Pro/100 VE Ethernet> port 0x8000-0x803f mem > 0xc0200000-0xc0200fff irq 10 at device 8.0 on pci2 > atapci0: <Intel ICH3 UDMA100 controller> port > 0x1860-0x186f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.1 on pci0 > pcm0: <Intel ICH3 (82801CA)> port 0x18c0-0x18ff,0x1c00-0x1cff irq 5 at > device 31.5 on pci0 > ichist0: <Intel ICH3m LPC bridge> on motherboard > > > SU NB /:sysctl -a | grep ich > dev.ichist.0.%desc: Intel ICH3m LPC bridge > dev.ichist.0.%driver: ichist > dev.ichist.0.%parent: nexus0 > dev.ichist.0.speedstep: 0 Could you please do something like that: sysctl dev.ichist.0.speedstep=1 This should put the processor in the lower frequency/voltage. To verify this is ok, could you please do something like this: > openssl speed sha1 and see if there is a change. You can of course set the frequency to the higher speed by sysctl dev.ichist.0.speedstep=0 Thanks, -- Bruno Ducrot -- Which is worse: ignorance or apathy? -- Don't know. Don't care.
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