From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc Singer Subject: Re: Athlon 64 complains of frequency mismatch Date: Tue, 22 Jun 2004 08:16:16 -0700 Sender: cpufreq-bounces@www.linux.org.uk Message-ID: <20040622151616.GA14412@buici.com> References: <84EA05E2CA77634C82730353CBE3A8431990B9@SAUSEXMB1.amd.com> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <84EA05E2CA77634C82730353CBE3A8431990B9@SAUSEXMB1.amd.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: cpufreq-bounces+glkc-cpufreq=gmane.org@www.linux.org.uk Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: paul.devriendt@amd.com Cc: cpufreq@www.linux.org.uk On Mon, Jun 21, 2004 at 11:02:06PM -0700, paul.devriendt@amd.com wrote: > > > Partly. It shows the values received by the powernow-k8 driver are > > > _completely_ bogus. A standard questions: have you tried a > > BIOS update? > > > > I looked for one. I downloaded a BIOS, though I'm not sure it is > > newer than the one installed. The release notes make no mention of > > powernow or acpi. > > > I did fetch it. There are no entries for _PSS or even PSS. > > The frequency/voltage values are different for different processor > models. The way that this is supposed to work is that the BIOS > provides a table of the frequency/voltage data that the driver > uses, thus making the driver independent of the platform. > > Obviously if the BIOS does not do this, then the driver has no > data. I do have a version of the driver that uses hardcoded > values for my own testing purposes, but the source has to be > edited to put in the correct values for your particular processor. > > I did intend to make this data module parameters, but have not > had the time to do so yet. You can find the correct data values > for your processor from the "Power and Thermal" pdfs available > on www.amd.com. Let me know if you want a copy of this hardcoded > driver (or it is easy to modify the driver ourself). Perhaps I'm missing something. If AMD advertizes Cool&Quiet as does this vendor, MSI, then there has to be someplace where this data is given to Windows. Are we talking about the vendor providing a Windows driver without including the necessary information in the BIOS?