On Tuesday, 26 April 2022 21:06:52 CEST Salvatore Bonaccorso wrote: > On Tue, Apr 26, 2022 at 03:50:21PM +0200, Vincent Blut wrote: > > The AMD P-State driver has been enabled in linux 5.17.3-1 available in > > testing/unstable. The kernel you are using does not include it.
So the bug can be closed with Version: 5.17.3-1 ? > Additionally I think at this early stage at least, not all AMD CPUs > are actually supporting it. IIRC, the initial commit talked only about > some of the Zen3 based ones. FTR: It seems to be supported starting with (some?) Zen2 based CPUs/APUs. "As a reminder, AMD P-State is only supported with AMD Zen 2 processors and newer. AMD P-State depends upon ACPI Collaborative Processor Performance Contols (CPPC) and that is only with Zen 2 and newer -- Zen 1 / Zen 1+ will not be seeing any support. You also need to ensure CPPC is enabled in your BIOS in case it happened to be disabled. Many motherboard vendors do have a "ACPI CPPC" option in the BIOS that can be set to enabled or auto on Zen 2 and newer processors." src: https://www.phoronix.com/scan.php?page=news_item&px=AMD-P-State-How-To
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