Comment 9 for bug 1956509

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