28 lines
1 KiB
Bash
28 lines
1 KiB
Bash
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2023 JELOS (https://github.com/JustEnoughLinuxOS)
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# Store current freq governors and set governors to powersave.
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. /etc/profile
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### Get the current cpu and gpu governor, save for when the device wakes from sleep.
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CUR_CPU_FREQ="$(cat ${CPU_FREQ}/scaling_governor)"
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CUR_GPU_FREQ="$(cat ${GPU_FREQ}/governor)"
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set_setting sleep.cpugovernor "${CUR_CPU_FREQ}"
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set_setting sleep.gpugovernor "${CUR_GPU_FREQ}"
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### Set all governors to powersave
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set_cpu_gov powersave
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set_dmc_gov powersave
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set_gpu_gov powersave
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### Set max/min freq to lowest available value
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echo 600000 > /sys/devices/system/cpu/cpufreq/policy0/scaling_min_freq
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echo 600000 > /sys/devices/system/cpu/cpufreq/policy4/scaling_min_freq
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echo 200000000 > /sys/devices/platform/ff9a0000.gpu/devfreq/ff9a0000.gpu/min_freq
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echo 600000 > /sys/devices/system/cpu/cpufreq/policy0/scaling_max_freq
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echo 600000 > /sys/devices/system/cpu/cpufreq/policy4/scaling_max_freq
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echo 200000000 > /sys/devices/platform/ff9a0000.gpu/devfreq/ff9a0000.gpu/max_freq
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