95 lines
3.5 KiB
Bash
95 lines
3.5 KiB
Bash
#! /vendor/bin/sh
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# Copyright (c) 2012-2013,2016,2018-2020 The Linux Foundation. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of The Linux Foundation nor
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# the names of its contributors may be used to endorse or promote
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# products derived from this software without specific prior written
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# permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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export PATH=/vendor/bin
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# Set platform variables
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if [ -f /sys/devices/soc0/hw_platform ]; then
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soc_hwplatform=`cat /sys/devices/soc0/hw_platform` 2> /dev/null
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else
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soc_hwplatform=`cat /sys/devices/system/soc/soc0/hw_platform` 2> /dev/null
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fi
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if [ -f /sys/devices/soc0/soc_id ]; then
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soc_hwid=`cat /sys/devices/soc0/soc_id` 2> /dev/null
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else
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soc_hwid=`cat /sys/devices/system/soc/soc0/id` 2> /dev/null
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fi
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if [ -f /sys/devices/soc0/platform_version ]; then
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soc_hwver=`cat /sys/devices/soc0/platform_version` 2> /dev/null
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else
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soc_hwver=`cat /sys/devices/system/soc/soc0/platform_version` 2> /dev/null
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fi
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log -t BOOT -p i "MSM target '$1', SoC '$soc_hwplatform', HwID '$soc_hwid', SoC ver '$soc_hwver'"
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#For drm based display driver
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vbfile=/sys/module/drm/parameters/vblankoffdelay
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if [ -w $vbfile ]; then
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echo -1 > $vbfile
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else
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log -t DRM_BOOT -p w "file: '$vbfile' or perms doesn't exist"
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fi
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# Setup display nodes & permissions
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# HDMI can be fb1 or fb2
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# Loop through the sysfs nodes and determine
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# the HDMI(dtv panel)
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function set_perms() {
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#Usage set_perms <filename> <ownership> <permission>
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chown -h $2 $1
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chmod $3 $1
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}
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# check for the type of driver FB or DRM
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fb_driver=/sys/class/graphics/fb0
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if [ -e "$fb_driver" ]
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then
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# check for mdp caps
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file=/sys/class/graphics/fb0/mdp/caps
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if [ -f "$file" ]
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then
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setprop vendor.gralloc.disable_ubwc 1
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cat $file | while read line; do
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case "$line" in
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*"ubwc"*)
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setprop vendor.gralloc.enable_fb_ubwc 1
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setprop vendor.gralloc.disable_ubwc 0
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esac
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done
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fi
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else
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set_perms /sys/devices/virtual/hdcp/msm_hdcp/min_level_change system.graphics 0660
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fi
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# allow system_graphics group to access pmic secure_mode node
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set_perms /sys/class/lcd_bias/secure_mode system.graphics 0660
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set_perms /sys/class/leds/wled/secure_mode system.graphics 0660
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