android_device_samsung_msm8996-common/rootdir/etc/init.qcom.power.rc

# Copyright (c) 2016, Code Aurora Forum. All rights reserved.
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on init
    # Disable UFS powersaving
    write /sys/devices/soc/${ro.boot.bootdevice}/clkscale_enable 0
    write /sys/devices/soc/${ro.boot.bootdevice}/clkgate_enable 0
    write /sys/devices/soc/${ro.boot.bootdevice}/${ro.boot.bootdevice}:ufs_variant/pm_qos_enable 0
    write /sys/module/lpm_levels/parameters/sleep_disabled "Y"

    # Drop write bit from cpu_max_freq so that libqti-perfd can't set it
    chmod 0444 /sys/module/msm_performance/parameters/cpu_max_freq

on boot
    # Update foreground and background cpusets
    write /dev/cpuset/foreground/cpus 0-3
    write /dev/cpuset/background/cpus 0-3
    write /dev/cpuset/system-background/cpus 0-3
    write /dev/cpuset/top-app/cpus 0-3

    # Add a cpuset for the camera daemon
    # we want all cores for camera
    mkdir /dev/cpuset/camera-daemon
    write /dev/cpuset/camera-daemon/cpus 0-3
    write /dev/cpuset/camera-daemon/mems 0
    chown system system /dev/cpuset/camera-daemon
    chown system system /dev/cpuset/camera-daemon/tasks
    chmod 0664 /dev/cpuset/camera-daemon/tasks

    # Enable sched boost
    write /proc/sys/kernel/sched_boost 1

on charger
    wait /dev/block/platform/soc/${ro.boot.bootdevice}
    # Enable UFS powersaving
    write /sys/devices/soc/${ro.boot.bootdevice}/clkscale_enable 1
    write /sys/devices/soc/${ro.boot.bootdevice}/clkgate_enable 1
    write /sys/devices/soc/${ro.boot.bootdevice}/${ro.boot.bootdevice}:ufs_variant/pm_qos_enable 1
    write /sys/module/lpm_levels/parameters/sleep_disabled "N"

    write /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor "userspace"
    write /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed 300000
    write /sys/devices/system/cpu/cpu1/online 1
    write /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor "userspace"
    write /sys/devices/system/cpu/cpu1/cpufreq/scaling_setspeed 300000
    write /sys/devices/system/cpu/cpu2/online 0
    write /sys/devices/system/cpu/cpu3/online 0
    write /sys/module/msm_thermal/parameters/enabled "N"
    start hvdcp_opti
    start thermal-engine

on enable-low-power
    # Disable thermal hotplug to switch governor
    write /sys/module/msm_thermal/core_control/enabled 0

    # Enable Adaptive LMK
    write /sys/module/lowmemorykiller/parameters/enable_adaptive_lmk 1
    write /sys/module/lowmemorykiller/parameters/vmpressure_file_min 81250

    # Set sync wakee policy tunable
    write /proc/sys/kernel/sched_prefer_sync_wakee_to_waker 1

    # Configure governor settings for little cluster
    write /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor "interactive"
    write /sys/devices/system/cpu/cpu0/cpufreq/interactive/use_sched_load 1
    write /sys/devices/system/cpu/cpu0/cpufreq/interactive/use_migration_notif 1
    write /sys/devices/system/cpu/cpu0/cpufreq/interactive/above_hispeed_delay 19000
    write /sys/devices/system/cpu/cpu0/cpufreq/interactive/go_hispeed_load 90
    write /sys/devices/system/cpu/cpu0/cpufreq/interactive/timer_rate 20000
    write /sys/devices/system/cpu/cpu0/cpufreq/interactive/hispeed_freq 960000
    write /sys/devices/system/cpu/cpu0/cpufreq/interactive/io_is_busy 1
    write /sys/devices/system/cpu/cpu0/cpufreq/interactive/target_loads 80
    write /sys/devices/system/cpu/cpu0/cpufreq/interactive/min_sample_time 19000
    write /sys/devices/system/cpu/cpu0/cpufreq/interactive/max_freq_hysteresis 79000
    write /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq 307200
    write /sys/devices/system/cpu/cpu0/cpufreq/interactive/ignore_hispeed_on_notif 1
    write /sys/devices/system/cpu/cpu0/cpufreq/interactive/enable_prediction 1

    # Bring CPU2 online
    write /sys/devices/system/cpu/cpu2/online 1

    # Configure governor settings for big cluster
    write /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor "interactive"
    write /sys/devices/system/cpu/cpu2/cpufreq/interactive/use_sched_load 1
    write /sys/devices/system/cpu/cpu2/cpufreq/interactive/use_migration_notif 1
    write /sys/devices/system/cpu/cpu2/cpufreq/interactive/above_hispeed_delay "19000 1400000:39000 1700000:19000 2100000:79000"
    write /sys/devices/system/cpu/cpu2/cpufreq/interactive/go_hispeed_load 90
    write /sys/devices/system/cpu/cpu2/cpufreq/interactive/timer_rate 20000
    write /sys/devices/system/cpu/cpu2/cpufreq/interactive/hispeed_freq 1248000
    write /sys/devices/system/cpu/cpu2/cpufreq/interactive/io_is_busy 1
    write /sys/devices/system/cpu/cpu2/cpufreq/interactive/target_loads "85 1500000:90 1800000:70 2100000:95"
    write /sys/devices/system/cpu/cpu2/cpufreq/interactive/min_sample_time 19000
    write /sys/devices/system/cpu/cpu2/cpufreq/interactive/max_freq_hysteresis 79000
    write /sys/devices/system/cpu/cpu2/cpufreq/scaling_min_freq 307200
    write /sys/devices/system/cpu/cpu2/cpufreq/interactive/ignore_hispeed_on_notif 1
    write /sys/devices/system/cpu/cpu2/cpufreq/interactive/enable_prediction 1

    # Re-enable thermal hotplug
    write /sys/module/msm_thermal/core_control/enabled 1

    # Input boost config
    write /sys/module/cpu_boost/parameters/input_boost_freq "0:1324800 2:1324800"
    write /sys/module/cpu_boost/parameters/input_boost_ms 40

    # Set big.LITTLE scheduler parameters
    write /proc/sys/kernel/sched_boost 0
    write /proc/sys/kernel/sched_upmigrate 95
    write /proc/sys/kernel/sched_downmigrate 90
    write /proc/sys/kernel/sched_freq_inc_notify 400000
    write /proc/sys/kernel/sched_freq_dec_notify 400000
    write /proc/sys/kernel/sched_spill_nr_run 3
    write /proc/sys/kernel/sched_init_task_load 100

    # Enable bus-dcvs
    write /sys/class/devfreq/soc:qcom,cpubw/governor "bw_hwmon"
    write /sys/class/devfreq/soc:qcom,cpubw/polling_interval 50
    write /sys/class/devfreq/soc:qcom,cpubw/min_freq 1525
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/mbps_zones "1525 5195 11863 13763"
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/sample_ms 4
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/io_percent 34
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/hist_memory 20
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/hyst_length 10
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/low_power_ceil_mbps 0
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/low_power_io_percent 34
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/low_power_delay 20
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/guard_band_mbps 0
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/up_scale 250
    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/idle_mbps 1600

    write /sys/class/devfreq/soc:qcom,memlat-cpu0/governor "mem_latency"
    write /sys/class/devfreq/soc:qcom,memlat-cpu0/polling_interval 10
    write /sys/class/devfreq/soc:qcom,memlat-cpu2/governor "mem_latency"
    write /sys/class/devfreq/soc:qcom,memlat-cpu2/polling_interval 10
    write /sys/class/devfreq/soc:qcom,mincpubw/governor "cpufreq"

    # Enable UFS powersaving
    write /sys/devices/soc/${ro.boot.bootdevice}/clkscale_enable 1
    write /sys/devices/soc/${ro.boot.bootdevice}/clkgate_enable 1
    write /sys/devices/soc/${ro.boot.bootdevice}/${ro.boot.bootdevice}:ufs_variant/pm_qos_enable 1

    # Enable all LPMs (this will enable C4, D4, D3, E4 and M3 LPMs)
    write /sys/module/lpm_levels/parameters/sleep_disabled "N"

    # Set perfd properties
    setprop sys.post_boot.parsed 1

on property:sys.boot_completed=1
    trigger enable-low-power

    # Set I/O squeduler
    setprop sys.io.scheduler "bfq"

    # Start I/O prefetcher service
    start iop

on property:init.svc.recovery=running
    trigger enable-low-power

service charger /charger
    class charger
    group system graphics
    seclabel u:r:healthd:s0

service energy-awareness /vendor/bin/energy-awareness
    class main
    user root
    group system
    oneshot

service hvdcp_opti /vendor/bin/hvdcp_opti
    class main
    user root
    group system wakelock