pp_od_clk_voltage management script

gpu-apply.sh

#!/bin/bash
set -e
set -o pipefail

color_clocks() {
	local esc=$(printf '\033')
	sed -E "s/^([A-Z_]+):\$/${esc}[1;36m\1${esc}[0;0m:/g"
}

commit_clocks() {
	if [ ! -z "$1" ]; then
		pushd "$1" 1> /dev/null
	fi
	if [ ! -e ./pp_od_clk_voltage ]; then
		printf "Could not find \"pp_od_clk_voltage\" in \"%s\"\n" "$(pwd)" >&2
		return 1
	fi
	sudo sh -c 'echo c > pp_od_clk_voltage'
	if [ ! -z "$1" ]; then
		popd 1> /dev/null
	fi
}

card=card0
while getopts ":c:" opt; do
	case ${opt} in
		c)
			card="$OPTARG"
			card_override=1
			;;
		\?)
			echo "Unknown argument: -$OPTARG" >&2
			exit 1
			;;
		:)
			printf "Invalid argument: -%s requires an argument\n" "$OPTARG" >&2
			exit 1
			;;
	esac
done
card_override=${card_override:-0}
shift $((OPTIND -1))

if [ ! -e ./pp_od_clk_voltage ]; then
	card_override=1
fi

if [ $card_override -gt 0 ]; then
	cd /sys/class/drm/$card/device
fi

if [ ! -e ./pp_od_clk_voltage ]; then
	printf "Could not find \"pp_od_clk_voltage\" in \"%s\"\n" "$(pwd)" >&2
	exit 1
fi

while [ $# -gt 0 ]; do
	echo "$1" | sudo tee pp_od_clk_voltage 1>/dev/null
	shift
done
commit_clocks
color_clocks < pp_od_clk_voltage