Re: How to enable experimental CPU frequency support

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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?
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