https://bugzilla.kernel.org/show_bug.cgi?id=202043
--- Comment #1 from antifermion@protonmail.com --- It says
To manually adjust these settings, first select manual using power_dpm_force_performance_level
in the driver source. However, that does not change anything. Setting the powerstate manually via `pp_dpm_sclk` does not work for me either.