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msm8974: Enable Low Power Modes. 

Enable On-Demand Governor
Enable Standalone Power collapse
Enable Idle Power Collapse with RPM notification

Change-Id: Ia05bc50aafbacfec878cc1fa6ed35165140cf026
This commit is contained in:
Karthik Parsha 2012-08-21 11:19:40 -07:00 committed by Linux Build Service Account
parent 0e12da3e53
commit 471e7889e7
1 changed files with 44 additions and 0 deletions
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44
rootdir/etc/init.qcom.post_boot.sh
View File

@ -175,6 +175,50 @@ case "$target" in
;;
esac
case "$target" in
"msm8974")
echo 1 > /sys/module/lpm_resources/enable_low_power/l2
echo 1 > /sys/module/lpm_resources/enable_low_power/pxo
echo 1 > /sys/module/lpm_resources/enable_low_power/vdd_dig
echo 1 > /sys/module/lpm_resources/enable_low_power/vdd_mem
echo 1 > /sys/module/pm_8x60/modes/cpu0/power_collapse/suspend_enabled
echo 1 > /sys/module/pm_8x60/modes/cpu1/power_collapse/suspend_enabled
echo 1 > /sys/module/pm_8x60/modes/cpu2/power_collapse/suspend_enabled
echo 1 > /sys/module/pm_8x60/modes/cpu3/power_collapse/suspend_enabled
echo 1 > /sys/module/pm_8x60/modes/cpu0/power_collapse/idle_enabled
echo 1 > /sys/module/pm_8x60/modes/cpu0/standalone_power_collapse/suspend_enabled
echo 1 > /sys/module/pm_8x60/modes/cpu1/standalone_power_collapse/suspend_enabled
echo 1 > /sys/module/pm_8x60/modes/cpu2/standalone_power_collapse/suspend_enabled
echo 1 > /sys/module/pm_8x60/modes/cpu3/standalone_power_collapse/suspend_enabled
echo 1 > /sys/module/pm_8x60/modes/cpu0/standalone_power_collapse/idle_enabled
echo 1 > /sys/module/pm_8x60/modes/cpu1/standalone_power_collapse/idle_enabled
echo 1 > /sys/module/pm_8x60/modes/cpu2/standalone_power_collapse/idle_enabled
echo 1 > /sys/module/pm_8x60/modes/cpu3/standalone_power_collapse/idle_enabled
echo "ondemand" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
echo "ondemand" > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
echo "ondemand" > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
echo "ondemand" > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor
echo 90 > /sys/devices/system/cpu/cpufreq/ondemand/up_threshold
echo 1 > /sys/devices/system/cpu/cpufreq/ondemand/io_is_busy
echo 4 > /sys/devices/system/cpu/cpufreq/ondemand/sampling_down_factor
echo 10 > /sys/devices/system/cpu/cpufreq/ondemand/down_differential
echo 300000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq
echo 300000 > /sys/devices/system/cpu/cpu1/cpufreq/scaling_min_freq
echo 300000 > /sys/devices/system/cpu/cpu2/cpufreq/scaling_min_freq
echo 300000 > /sys/devices/system/cpu/cpu3/cpufreq/scaling_min_freq
chown system /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
chown system /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq
chown root.system /sys/devices/system/cpu/mfreq
chmod 220 /sys/devices/system/cpu/mfreq
chown root.system /sys/devices/system/cpu/cpu1/online
chown root.system /sys/devices/system/cpu/cpu2/online
chown root.system /sys/devices/system/cpu/cpu3/online
chmod 664 /sys/devices/system/cpu/cpu1/online
chmod 664 /sys/devices/system/cpu/cpu2/online
chmod 664 /sys/devices/system/cpu/cpu3/online
;;
esac
case "$target" in
"msm7627_ffa" | "msm7627_surf" | "msm7627_6x")
echo 25000 > /sys/devices/system/cpu/cpufreq/ondemand/sampling_rate