On Thu, Dec 22 2022, Rafael J. Wysocki wrote: > On Wed, Dec 21, 2022 at 4:52 PM Pratyush Yadav <ptyadav@xxxxxxxxx> wrote: >> >> In some cases the ACPI table can have an incorrect frequency populated >> for a performance state. For example, in Intel platforms, the Turbo >> frequency is just listed as +1 MHz above the max non-turbo frequency. > > Which is a known convention based on compatibility with some older OSes. Interesting. I did not know that. > >> The frequency can actually go much higher based on various factors like >> temperature, voltage, etc. > > It can. > >> Allow drivers like intel_pstate to fix up performance state frequencies >> with the actual maximum value. > > Why do you want to do that? To be able to use my processors at the full frequency they are capable of. See [0] for more details. [0] https://lore.kernel.org/linux-pm/mafs0k02jd8oh.fsf_-_@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/ > [...] -- Regards, Pratyush Yadav Amazon Development Center Germany GmbH Krausenstr. 38 10117 Berlin Geschaeftsfuehrung: Christian Schlaeger, Jonathan Weiss Eingetragen am Amtsgericht Charlottenburg unter HRB 149173 B Sitz: Berlin Ust-ID: DE 289 237 879
