4. FAQ

4.1. Can this be used on Ryzen desktops?

Ryzen desktop CPUs are not supported by RyzenAdj. Options for changing the power limit and thermal limit will be disabled. Options for changing CPU Governor and EPP profile will be available.

4.2. Can this be used with TLP?

Yes. ZenWatt can be used along with TLP. Settings selected from ZenWatt’s GUI will also be applied to TLP. If you don’t wish to control the CPU governor or EPP profile using ZenWatt, set the option to auto from the GUI.

4.3. I don’t see an option to change EPP profile?

Check if CPU driver is diplayed as amd-pstate-epp. This CPU driver requires Linux kernel 6.3 and a CPU with Zen 2 or Zen 3 cores.

  • Zen 1 and older CPUs are not supported.

  • Linux kernels older than v6.3 are not supported.

  • Driver may need to be loaded by editing the GRUB cmdline options.

Read the ArchWiki article for more details.