Verified linux/jammy version 5.15.0-28-generic:
$ uname -r
5.15.0-28-generic
$ sudo cpupower frequency-info
[sudo] password for ubuntu:
analyzing CPU 0:
driver: amd-pstate
CPUs which run at the same hardware frequency: 0
CPUs which need to have their frequency coordinated by software: 0
maximum transition latency: 131 us
hardware limits: 400 MHz - 4.79 GHz
available cpufreq governors: conservative ondemand userspace powersave
performance schedutil
current policy: frequency should be within 400 MHz and 4.79 GHz.
The governor "ondemand" may decide which speed to use
within this range.
current CPU frequency: Unable to call hardware
current CPU frequency: 1.05 GHz (asserted by call to kernel)
boost state support:
Supported: yes
Active: yes
Boost States: 0
Total States: 3
Pstate-P0: 3200MHz
Pstate-P1: 1800MHz
Pstate-P2: 1600MHz
** Tags removed: verification-needed-jammy
** Tags added: verification-done-jammy
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https://bugs.launchpad.net/bugs/1956509
Title:
Support AMD P-State cpufreq control mechanism
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