February 20, 20233 yr Hello, I tried to reduce the clock frequency with nano /etc/default/cpufrequtils. I also set the governor to userspace in order to enable direct frequency setting. But there is no effect to be seen with cpufreq-info -o except the governor is switched to "userspace" now. I also tried it with echo 500000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed , but clock frequency did not change. According to the S905X3 datasheet the SoC could even run at 100Mhz... I would appreciate a hint, how to reduce clock speed way below 1GHz, in order to save power consumption Thanks a lot Andy PS: I am running VERSION=23.02.0-trunk
February 20, 20233 yr Solution Speeds lower than 1Ghz were removed in this patch to mainline kernel for stability reasons: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/arch/arm64/boot/dts/amlogic?h=v6.2&id=fd86d85401c2049f652293877c0f7e6e5afc3bbc
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