Add support for radeon power savings

tune-profiles/desktop-powersave/ktune.sh

@@ -4,11 +4,13 @@
 
 start() {
 	set_disk_alpm min_power
+	set_radeon_powersave dynpm
 	return 0
 }
 
 stop() {
 	set_disk_alpm max_performance
+	set_radeon_powersave default
 	return 0
 }
 

tune-profiles/functions

@@ -262,6 +262,23 @@ disable_snd_ac97_powersave() {
 	_snd_ac97_powersave N
 }
 
+#
+# VIDEO CARDS tuning
+#
+
+# Power savings settings for Radeon
+# usage: set_radeon_powersave dynpm | default | low | med | high
+set_radeon_powersave () {
+	[ -e /sys/class/drm/card0/device/power_method ] || return
+	if [ "$1" = default -o "$1" = low -o "$1" = med -o "$1" = high ]; then
+		[ -e /sys/class/drm/card0/device/power_profile ] || return
+		echo profile > /sys/class/drm/card0/device/power_method
+		echo "$1" > /sys/class/drm/card0/device/power_profile
+	elif [ "$1" = dynpm ]; then
+		echo dynpm > /sys/class/drm/card0/device/power_method
+	fi
+}
+
 #
 # SOFTWARE tuning
 #

tune-profiles/laptop-ac-powersave/ktune.sh

@@ -5,6 +5,7 @@
 start() {
 	set_disk_alpm min_power
 	enable_wifi_powersave
+	set_radeon_powersave dynpm
 
 	return 0
 }
@@ -12,6 +13,7 @@ start() {
 stop() {
 	set_disk_alpm max_performance
 	disable_wifi_powersave
+	set_radeon_powersave profile
 
 	return 0
 }

tune-profiles/laptop-battery-powersave/ktune.sh

@@ -9,6 +9,7 @@ start() {
 	set_cpu_governor ondemand
 	enable_snd_ac97_powersave
 	enable_wifi_powersave
+	set_radeon_powersave dynpm
 
 	return 0
 }
@@ -20,6 +21,7 @@ stop() {
 	restore_cpu_governor
 	enable_snd_ac97_powersave
 	disable_wifi_powersave
+	set_radeon_powersave default
 
 	return 0
 }