init.qcom.power.rc

# Copyright (c) 2016, Code Aurora Forum. All rights reserved.
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on property:vendor.setup.power=1
    # Enable bus-dcvs
    write /sys/devices/platform/soc/soc:qcom,cpu-cpu-ddr-bw/devfreq/soc:qcom,cpu-cpu-ddr-bw/governor "bw_hwmon"
    write /sys/devices/platform/soc/soc:qcom,cpu-cpu-ddr-bw/devfreq/soc:qcom,cpu-cpu-ddr-bw/polling_interval 50
    write /sys/devices/platform/soc/soc:qcom,cpu-cpu-ddr-bw/devfreq/soc:qcom,cpu-cpu-ddr-bw/bw_hwmon/mbps_zones "1144 1720 2086 2929 3879 5931 6881"
    write /sys/devices/platform/soc/soc:qcom,cpu-cpu-ddr-bw/devfreq/soc:qcom,cpu-cpu-ddr-bw/bw_hwmon/sample_ms 4
    write /sys/devices/platform/soc/soc:qcom,cpu-cpu-ddr-bw/devfreq/soc:qcom,cpu-cpu-ddr-bw/bw_hwmon/io_percent 68
    write /sys/devices/platform/soc/soc:qcom,cpu-cpu-ddr-bw/devfreq/soc:qcom,cpu-cpu-ddr-bw/bw_hwmon/hist_memory 20
    write /sys/devices/platform/soc/soc:qcom,cpu-cpu-ddr-bw/devfreq/soc:qcom,cpu-cpu-ddr-bw/bw_hwmon/hyst_length 0
    write /sys/devices/platform/soc/soc:qcom,cpu-cpu-ddr-bw/devfreq/soc:qcom,cpu-cpu-ddr-bw/bw_hwmon/down_thres 80
    write /sys/devices/platform/soc/soc:qcom,cpu-cpu-ddr-bw/devfreq/soc:qcom,cpu-cpu-ddr-bw/bw_hwmon/guard_band_mbps 0
    write /sys/devices/platform/soc/soc:qcom,cpu-cpu-ddr-bw/devfreq/soc:qcom,cpu-cpu-ddr-bw/bw_hwmon/up_scale 250
    write /sys/devices/platform/soc/soc:qcom,cpu-cpu-ddr-bw/devfreq/soc:qcom,cpu-cpu-ddr-bw/bw_hwmon/idle_mbps 1600

    # Enable mem_latency governor for DDR scaling
    write /sys/devices/platform/soc/soc:qcom,cpu0-cpu-ddr-lat/devfreq/soc:qcom,cpu0-cpu-ddr-lat/governor "mem_latency"
    write /sys/devices/platform/soc/soc:qcom,cpu0-cpu-ddr-lat/devfreq/soc:qcom,cpu0-cpu-ddr-lat/polling_interval 10
    write /sys/devices/platform/soc/soc:qcom,cpu0-cpu-ddr-lat/devfreq/soc:qcom,cpu0-cpu-ddr-lat/mem_latency/ratio_ceil 400
    write /sys/devices/platform/soc/soc:qcom,cpu4-cpu-ddr-lat/devfreq/soc:qcom,cpu4-cpu-ddr-lat/governor "mem_latency"
    write /sys/devices/platform/soc/soc:qcom,cpu4-cpu-ddr-lat/devfreq/soc:qcom,cpu4-cpu-ddr-lat/polling_interval 10
    write /sys/devices/platform/soc/soc:qcom,cpu4-cpu-ddr-lat/devfreq/soc:qcom,cpu4-cpu-ddr-lat/mem_latency/ratio_ceil 400

    # Enable compute governor for latfloor
    write /sys/devices/platform/soc/soc:qcom,cpu0-cpu-ddr-latfloor/devfreq/soc:qcom,cpu0-cpu-ddr-latfloor/governor "compute"
    write /sys/devices/platform/soc/soc:qcom,cpu0-cpu-ddr-latfloor/devfreq/soc:qcom,cpu0-cpu-ddr-latfloor/polling_interval 10
    write /sys/devices/platform/soc/soc:qcom,cpu4-cpu-ddr-latfloor/devfreq/soc:qcom,cpu4-cpu-ddr-latfloor/governor "compute"
    write /sys/devices/platform/soc/soc:qcom,cpu4-cpu-ddr-latfloor/devfreq/soc:qcom,cpu4-cpu-ddr-latfloor/polling_interval 10

    # Turn on sleep modes
    write /sys/module/lpm_levels/parameters/sleep_disabled 0

    # Enable PowerHAL hint processing
    setprop vendor.powerhal.init 1

on boot
    # Disable console_suspend to get better logging for kernel crashes
    write /sys/module/printk/parameters/console_suspend N

    # Enable suspend to idle mode to reduce latency during suspend/resume
    write /sys/power/mem_sleep "s2idle"

# If UART is on, enable console_suspend on boot_complete to save power
on property:sys.boot_completed=1 && property:init.svc.console=running
    write /sys/module/printk/parameters/console_suspend Y