Initial version, seems to work on Fedora 17.

Makefile

@@ -0,0 +1,9 @@
+DESTDIR?=/usr
+
+permissions:
+	chmod 755 src/radeonhd-power
+	chmod 644 src/radeonhd-power.service
+
+install:
+	install --mode=u=rw-x,go=-rwx,a-s src/radeonhd-power.service ${DESTDIR}/lib/systemd/system/
+	install src/radeonhd-power ${DESTDIR}/bin/

src/radeonhd-power

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+#!/bin/sh
+
+method_file="/sys/class/drm/card0/device/power_method"
+profile_file="/sys/class/drm/card0/device/power_profile"
+
+if [ ! -f $method_file ] || [ ! -f $profile_file ]; then
+	echo "Your system does not appear to have the RadeonHD drivers installed."
+	exit 1
+fi
+
+if [ ! -w $method_file ] || [ ! -w $profile_file ]; then
+	echo "You can't write to sysfs. Try using sudo."
+  exit 1
+fi
+
+if [ $1 == '--help' ]; then
+  echo "Configures the RadeonHD open-source driver's power management."
+	echo "Usage:"
+	echo "    $0 [low|med|high|dynamic]"
+	echo ""
+	echo "By default, the power saving mode is set to dynamic."
+	echo ""
+	exit 0
+fi
+
+if [ -z $1 ] || [ $1 == "dynamic" ]; then
+	echo dynpm > $method_file
+else
+	echo profile > $method_file
+	echo $1 > $profile_file
+fi

src/radeonhd-power.service

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+[Unit]
+Description=OpenSSH server daemon
+After=syslog.target network.target auditd.service
+
+[Service]
+EnvironmentFile=/etc/sysconfig/sshd
+ExecStartPre=/usr/sbin/sshd-keygen
+ExecStart=/usr/sbin/sshd -D $OPTIONS
+ExecReload=/bin/kill -HUP $MAINPID
+
+[Install]
+WantedBy=graphical.target