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klingtnet/throttle-amd-gpu-fan.sh

Created November 17, 2020 16:21
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Throttle AMD GPU fan under linux
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throttle-amd-gpu-fan.sh
#!/usr/bin/env bash
# https://wiki.archlinux.org/index.php/Fan_Speed_Control#AMDGPU_sysfs_fan_control
set -eu
PWM_CONTROLS=$(find /sys/class/drm/card0/device/ -iname 'pwm?' -type f)
for pwm_control in "$PWM_CONTROLS"; do
# echo 2 to reset to auto
echo 1 >"${pwm_control}_enable"
cat "${pwm_control}_min" >"$pwm_control"
done
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