1#
2# Copyright (C) 2017 The Android Open-Source Project
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#      http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15#
16
17on property:sys.boot_completed=1
18    # Enable bus-dcvs
19    write /sys/class/devfreq/soc:qcom,cpubw/governor "bw_hwmon"
20    write /sys/class/devfreq/soc:qcom,cpubw/polling_interval 50
21    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/mbps_zones "1144 1720 2086 2929 3879 5931 6881"
22    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/sample_ms 4
23    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/io_percent 68
24    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/hist_memory 20
25    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/hyst_length 10
26    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/down_thres 80
27    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/guard_band_mbps 0
28    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/up_scale 250
29    write /sys/class/devfreq/soc:qcom,cpubw/bw_hwmon/idle_mbps 1600
30
31    write /sys/class/devfreq/soc:qcom,mincpubw/governor "cpufreq"
32
33    # Enable memlat governor
34    write /sys/class/devfreq/soc:qcom,memlat-cpu0/governor "mem_latency"
35    write /sys/class/devfreq/soc:qcom,memlat-cpu0/polling_interval 10
36    write /sys/class/devfreq/soc:qcom,memlat-cpu0/mem_latency/ratio_ceil 400
37    write /sys/class/devfreq/soc:qcom,memlat-cpu6/governor "mem_latency"
38    write /sys/class/devfreq/soc:qcom,memlat-cpu6/polling_interval 10
39    write /sys/class/devfreq/soc:qcom,memlat-cpu6/mem_latency/ratio_ceil 400
40
41    write /sys/class/devfreq/soc:qcom,l3-cpu0/governor "mem_latency"
42    write /sys/class/devfreq/soc:qcom,l3-cpu0/polling_interval 10
43    write /sys/class/devfreq/soc:qcom,l3-cpu0/mem_latency/ratio_ceil 400
44    write /sys/class/devfreq/soc:qcom,l3-cpu6/governor "mem_latency"
45    write /sys/class/devfreq/soc:qcom,l3-cpu6/polling_interval 10
46    write /sys/class/devfreq/soc:qcom,l3-cpu6/mem_latency/ratio_ceil 400
47
48    # Limit the min frequency of LC to 576MHz
49    write /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq 576000
50
51    # Limit the min frequency of BC to 825MHz
52    write /sys/devices/system/cpu/cpu6/cpufreq/scaling_min_freq 825600
53
54    # Turn on sleep modes.
55    write /sys/module/lpm_levels/parameters/sleep_disabled 0
56
57    # Enable idle state listener
58    write /sys/class/drm/card0/device/idle_encoder_mask 1
59    write /sys/class/drm/card0/device/idle_timeout_ms 100
60
61    # Change l3-cdsp to userspace governor
62    write /sys/class/devfreq/soc:qcom,l3-cdsp/governor userspace
63    chown system system /sys/class/devfreq/soc:qcom,l3-cdsp/userspace/set_freq
64
65    # Disable CPU Retention
66    write /sys/module/lpm_levels/L3/cpu0/ret/idle_enabled N
67    write /sys/module/lpm_levels/L3/cpu1/ret/idle_enabled N
68    write /sys/module/lpm_levels/L3/cpu2/ret/idle_enabled N
69    write /sys/module/lpm_levels/L3/cpu3/ret/idle_enabled N
70    write /sys/module/lpm_levels/L3/cpu4/ret/idle_enabled N
71    write /sys/module/lpm_levels/L3/cpu5/ret/idle_enabled N
72    write /sys/module/lpm_levels/L3/cpu6/ret/idle_enabled N
73    write /sys/module/lpm_levels/L3/cpu7/ret/idle_enabled N
74
75# Disable console_suspend to get better logging for kernel crashes
76on boot
77    write /sys/module/printk/parameters/console_suspend N
78
79    #Enable suspend to idle mode to reduce latency during suspend/resume
80    write /sys/power/mem_sleep "s2idle"
81
82# If UART is on, enable console_suspend on boot_complete to save power
83on property:sys.boot_completed=1 && property:init.svc.console=running
84    write /sys/module/printk/parameters/console_suspend Y
85