65 lines
1.4 KiB
Bash
65 lines
1.4 KiB
Bash
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#!/bin/bash
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# Radcard
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# Script to control radeon DPM power saving
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# Ref: https://wiki.archlinux.org/index.php/ATI#Powersaving
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# Version: 2019-02-12
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# License: GPLv3
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# Authors: jamie.bainbridge@gmail.com
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CARDPATH="/sys/class/drm/card1/device"
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do_set() {
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case "$1" in
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bat*)
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sudo sh -c "echo battery > $CARDPATH/power_dpm_state"
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;;
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bal*)
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sudo sh -c "echo balanced > $CARDPATH/power_dpm_state"
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;;
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per*)
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sudo sh -c "echo performance > $CARDPATH/power_dpm_state"
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;;
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a*)
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sudo sh -c "echo auto > $CARDPATH/power_dpm_force_performance_level"
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;;
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l*)
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sudo sh -c "echo low > $CARDPATH/power_dpm_force_performance_level"
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;;
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h*)
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sudo sh -c "echo high > $CARDPATH/power_dpm_force_performance_level"
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;;
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*)
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do_usage
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;;
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esac
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}
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do_get() {
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echo -n "power_dpm_state: "; cat "$CARDPATH/power_dpm_state"
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echo -n "power_dpm_force_performance_level: "; cat "$CARDPATH/power_dpm_force_performance_level"
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}
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do_usage() {
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echo "Usage: $(basename "$0") [get|set [battery|balanced|performance|auto|low|high|bat|bal|per|a|h|l]]"
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exit 1
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}
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case "$1" in
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"set")
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shift
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for VAR in "$@"; do
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do_set "$VAR"
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done
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do_get
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;;
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"get")
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do_get
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;;
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*)
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do_usage
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;;
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esac
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exit 0
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