Hi Sam, Am 13.01.19 um 23:37 schrieb sam tygier: > Hi. > > I've been trying to adjust the frequency but never seen /sys/devices/system/cpu/cpufreq/policy0/scaling_cur_freq say anything other than 600000 even with 2 cpu intensive processes running. > > I have 4.19.13-300.fc29.aarch64 > > It seems that despite > # cat scaling_available_frequencies > 600000 900000 1200000 1400000 > > scaling_max_freq is stuck on 600000 > > With the scaling_governor set to performance or ondemand, I don't seem able to adjust the scaling_max_freq, so the cpu is always stuck at 600MHz, > > [root@sam-pi policy0]# echo 1400000 > scaling_max_freq > [root@sam-pi policy0]# cat scaling_max_freq > 600000 > > with govener set to userspace I am also unable to make changes > [root@sam-pi policy0]# echo 900000 > scaling_setspeed > [root@sam-pi policy0]# cat scaling_setspeed > 600000 > > Is there anything more I need to do? do you have the entries "enable_uart" or "core_freq" in your config.txt? Try to uncomment them. Best regards Stefan _______________________________________________ arm mailing list -- arm@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to arm-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/arm@xxxxxxxxxxxxxxxxxxxxxxx