diff options
| author | Wei Wang <wvw@google.com> | 2017-07-13 12:02:24 -0700 |
|---|---|---|
| committer | Cosme Domínguez Díaz <cosme.ddiaz@gmail.com> | 2018-08-04 00:07:39 +0200 |
| commit | b0b5466053c8de0e3a04414cb9f1dc8eff4ed6a1 (patch) | |
| tree | 7ac9fd0f9f162ca44de1a6b38af5e7d187bc1807 /rootdir/etc/init.qcom.power.rc | |
| parent | 556263c3a4bb90ab7304ed846d55ab9a8bb12a9b (diff) | |
msm8996-common: Boost UFS during boot
Before:
SystemServer_start : 6.5916 0.14159
SystemUi_start : 9.646 0.11627
system_server_ready : 10.341 0.16571
After:
SystemServer_start : 6.5465 0.17295
SystemUi_start : 9.5017 0.13355
system_server_ready : 10.13 0.17956
Bug: 63644084
Test: 10 boot with packages/services/Car/tools/bootanalyze/bootanalyze.py
Change-Id: I5509629bba6cddb35bb72d0f48283e2bf51cebd3
Diffstat (limited to 'rootdir/etc/init.qcom.power.rc')
| -rw-r--r-- | rootdir/etc/init.qcom.power.rc | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/rootdir/etc/init.qcom.power.rc b/rootdir/etc/init.qcom.power.rc index 4a8c439..deda88c 100644 --- a/rootdir/etc/init.qcom.power.rc +++ b/rootdir/etc/init.qcom.power.rc @@ -1,3 +1,37 @@ +# Copyright (c) 2016, Code Aurora Forum. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# * Neither the name of Code Aurora nor +# the names of its contributors may be used to endorse or promote +# products derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR +# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# + +on init + # Disable UFS powersaving + write /sys/devices/soc/624000.ufshc/clkscale_enable 0 + write /sys/devices/soc/624000.ufshc/clkgate_enable 0 + write /sys/devices/soc/624000.ufshc/624000.ufshc:ufs_variant/pm_qos_enable 0 + write /sys/module/lpm_levels/parameters/sleep_disabled "Y" + on boot # Bring back main cores CPU 0,2 write /sys/devices/system/cpu/cpu0/online 1 @@ -110,6 +144,12 @@ on enable-low-power 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/624000.ufshc/clkscale_enable 1 + write /sys/devices/soc/624000.ufshc/clkgate_enable 1 + write /sys/devices/soc/624000.ufshc/624000.ufshc: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 |