Those “policy#” folders refer to each of the cpus. In each of those folders you can find info about available governors and which one you’re using. Maybe more settings will appear if you set the governor accordingly.
[mbb@mbb-laptop ~]$ cat /sys/devices/system/cpu/cpufreq/policy0/scaling_available_governors
conservative ondemand userspace powersave performance schedutil
[mbb@mbb-laptop ~]$ cat /sys/devices/system/cpu/cpufreq/policy0/scaling_governor
performance