veux: Merge common tree to veux

- Ref:
  https://github.com/xiaomi-sm6375-devs/android_device_xiaomi_sm6375-common

Signed-off-by: kleidione <kleidione@gmail.com>

1 files changed, 249 insertions, 0 deletions

diff --git a/rootdir/bin/init.kernel.post_boot-blair.sh b/rootdir/bin/init.kernel.post_boot-blair.sh
new file mode 100755
index 0000000..0c52026
--- /dev/null
+++ b/rootdir/bin/init.kernel.post_boot-blair.sh
@@ -0,0 +1,249 @@
+#=============================================================================
+# Copyright (c) 2021 Qualcomm Technologies, Inc.
+# All Rights Reserved.
+# Confidential and Proprietary - Qualcomm Technologies, Inc.
+#
+# Copyright (c) 2012-2013, 2016-2020, The Linux Foundation. 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 The Linux Foundation 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 "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.
+#=============================================================================
+
+function configure_zram_parameters() {
+	MemTotalStr=`cat /proc/meminfo | grep MemTotal`
+	MemTotal=${MemTotalStr:16:8}
+
+	# Zram disk - 75% for < 2GB devices .
+	# For >2GB devices, size = 50% of RAM size. Limit the size to 4GB.
+
+	let RamSizeGB="( $MemTotal / 1048576 ) + 1"
+	diskSizeUnit=M
+	if [ $RamSizeGB -le 2 ]; then
+		let zRamSizeMB="( $RamSizeGB * 1024 ) * 3 / 4"
+	else
+		let zRamSizeMB="( $RamSizeGB * 1024 ) / 2"
+	fi
+
+	# use MB avoid 32 bit overflow
+	if [ $zRamSizeMB -gt 4096 ]; then
+		let zRamSizeMB=4096
+	fi
+
+	if [ -f /sys/block/zram0/disksize ]; then
+		if [ -f /sys/block/zram0/use_dedup ]; then
+			echo 1 > /sys/block/zram0/use_dedup
+		fi
+		echo "$zRamSizeMB""$diskSizeUnit" > /sys/block/zram0/disksize
+
+		# ZRAM may use more memory than it saves if SLAB_STORE_USER
+		# debug option is enabled.
+		if [ -e /sys/kernel/slab/zs_handle ]; then
+			echo 0 > /sys/kernel/slab/zs_handle/store_user
+		fi
+		if [ -e /sys/kernel/slab/zspage ]; then
+			echo 0 > /sys/kernel/slab/zspage/store_user
+		fi
+
+		mkswap /dev/block/zram0
+		swapon /dev/block/zram0 -p 32758
+	fi
+}
+
+function configure_read_ahead_kb_values() {
+	MemTotalStr=`cat /proc/meminfo | grep MemTotal`
+	MemTotal=${MemTotalStr:16:8}
+
+	dmpts=$(ls /sys/block/*/queue/read_ahead_kb | grep -e dm -e mmc)
+
+	# Set 128 for <= 3GB &
+	# set 512 for >= 4GB targets.
+	if [ $MemTotal -le 3145728 ]; then
+		ra_kb=128
+	else
+		ra_kb=512
+	fi
+	if [ -f /sys/block/mmcblk0/bdi/read_ahead_kb ]; then
+		echo $ra_kb > /sys/block/mmcblk0/bdi/read_ahead_kb
+	fi
+	if [ -f /sys/block/mmcblk0rpmb/bdi/read_ahead_kb ]; then
+		echo $ra_kb > /sys/block/mmcblk0rpmb/bdi/read_ahead_kb
+	fi
+	for dm in $dmpts; do
+		echo $ra_kb > $dm
+	done
+}
+
+function configure_memory_parameters() {
+	MemTotalStr=`cat /proc/meminfo | grep MemTotal`
+	MemTotal=${MemTotalStr:16:8}
+	# Set Memory parameters.
+
+	# Set swappiness to 100 for all targets
+	echo 100 > /proc/sys/vm/swappiness
+
+	# Disable wsf for all targets beacause we are using efk.
+	# wsf Range : 1..1000 So set to bare minimum value 1.
+	echo 1 > /proc/sys/vm/watermark_scale_factor
+	# Disable the feature of watermark boost for 8G and below device
+	if [ $MemTotal -le 8388608 ]; then
+		echo 0 > /proc/sys/vm/watermark_boost_factor
+	fi
+	configure_zram_parameters
+	configure_read_ahead_kb_values
+
+	#Spawn 2 kswapd threads which can help in fast reclaiming of pages
+	echo 2 > /proc/sys/vm/kswapd_threads
+}
+
+# Core control parameters for silver
+echo 0 0 0 0 1 1 > /sys/devices/system/cpu/cpu0/core_ctl/not_preferred
+echo 4 > /sys/devices/system/cpu/cpu0/core_ctl/min_cpus
+echo 60 > /sys/devices/system/cpu/cpu0/core_ctl/busy_up_thres
+echo 40 > /sys/devices/system/cpu/cpu0/core_ctl/busy_down_thres
+echo 100 > /sys/devices/system/cpu/cpu0/core_ctl/offline_delay_ms
+echo 8 > /sys/devices/system/cpu/cpu0/core_ctl/task_thres
+
+# Enable Core control for Silver
+echo 1 > /sys/devices/system/cpu/cpu0/core_ctl/enable
+
+# Disable Core control on gold
+echo 0 > /sys/devices/system/cpu/cpu6/core_ctl/enable
+
+# Setting b.L scheduler parameters
+echo 65 > /proc/sys/kernel/sched_downmigrate
+echo 71 > /proc/sys/kernel/sched_upmigrate
+echo 85 > /proc/sys/kernel/sched_group_downmigrate
+echo 100 > /proc/sys/kernel/sched_group_upmigrate
+echo 1 > /proc/sys/kernel/sched_walt_rotate_big_tasks
+echo 0 > /proc/sys/kernel/sched_coloc_busy_hysteresis_enable_cpus
+echo 0 > /proc/sys/kernel/sched_busy_hysteresis_enable_cpus
+echo 5 > /proc/sys/kernel/sched_ravg_window_nr_ticks
+
+# disable unfiltering
+echo 20000000 > /proc/sys/kernel/sched_task_unfilter_period
+
+# cpuset parameters
+echo 0-2     > /dev/cpuset/background/cpus
+echo 0-3     > /dev/cpuset/system-background/cpus
+echo 4-7     > /dev/cpuset/foreground/boost/cpus
+echo 0-2,4-7 > /dev/cpuset/foreground/cpus
+echo 0-7     > /dev/cpuset/top-app/cpus
+
+# Turn off scheduler boost at the end
+echo 0 > /proc/sys/kernel/sched_boost
+
+# configure governor settings for silver cluster
+echo "schedutil" > /sys/devices/system/cpu/cpufreq/policy0/scaling_governor
+echo 0 > /sys/devices/system/cpu/cpufreq/policy0/schedutil/down_rate_limit_us
+echo 0 > /sys/devices/system/cpu/cpufreq/policy0/schedutil/up_rate_limit_us
+echo 1113600 > /sys/devices/system/cpu/cpufreq/policy0/schedutil/hispeed_freq
+echo 576000 > /sys/devices/system/cpu/cpufreq/policy0/scaling_min_freq
+
+# configure governor settings for gold cluster
+echo "schedutil" > /sys/devices/system/cpu/cpufreq/policy6/scaling_governor
+echo 0 > /sys/devices/system/cpu/cpufreq/policy6/schedutil/down_rate_limit_us
+echo 0 > /sys/devices/system/cpu/cpufreq/policy6/schedutil/up_rate_limit_us
+echo 1228800 > /sys/devices/system/cpu/cpufreq/policy6/schedutil/hispeed_freq
+echo 691200 > /sys/devices/system/cpu/cpufreq/policy6/scaling_min_freq
+
+# Colocation V3 settings
+echo 680000 > /sys/devices/system/cpu/cpufreq/policy0/schedutil/rtg_boost_freq
+echo 0 > /sys/devices/system/cpu/cpufreq/policy6/schedutil/rtg_boost_freq
+echo 51 > /proc/sys/kernel/sched_min_task_util_for_boost
+echo 35 > /proc/sys/kernel/sched_min_task_util_for_colocation
+
+# sched_load_boost as -6 is equivalent to target load as 85. It is per cpu tunable.
+echo -6 > /sys/devices/system/cpu/cpu6/sched_load_boost
+echo -6 > /sys/devices/system/cpu/cpu7/sched_load_boost
+echo 85 > /sys/devices/system/cpu/cpufreq/policy6/schedutil/hispeed_load
+
+# configure input boost settings
+echo "0:1804800" > /sys/devices/system/cpu/cpu_boost/input_boost_freq
+echo 120 > /sys/devices/system/cpu/cpu_boost/input_boost_ms
+
+# Enable bus-dcvs
+for device in /sys/devices/platform/soc
+do
+	for cpubw in $device/*cpu-cpu-ddr-bw/devfreq/*cpu-cpu-ddr-bw
+	do
+		cat $cpubw/available_frequencies | cut -d " " -f 1 > $cpubw/min_freq
+		echo "bw_hwmon" > $cpubw/governor
+		echo "762 1144 1720 2086 2597 2929 3879 5161 5931 6881 7980" > $cpubw/bw_hwmon/mbps_zones
+		echo 4 > $cpubw/bw_hwmon/sample_ms
+		echo 68 > $cpubw/bw_hwmon/io_percent
+		echo 20 > $cpubw/bw_hwmon/hist_memory
+		echo 0 > $cpubw/bw_hwmon/hyst_length
+		echo 80 > $cpubw/bw_hwmon/down_thres
+		echo 0 > $cpubw/bw_hwmon/guard_band_mbps
+		echo 250 > $cpubw/bw_hwmon/up_scale
+		echo 1600 > $cpubw/bw_hwmon/idle_mbps
+		echo 40 > $cpubw/polling_interval
+	done
+
+	# configure compute settings for silver latfloor
+	for latfloor in $device/*cpu0-cpu*latfloor/devfreq/*cpu0-cpu*latfloor
+	do
+		cat $latfloor/available_frequencies | cut -d " " -f 1 > $latfloor/min_freq
+		echo 8 > $latfloor/polling_interval
+	done
+
+	# configure compute settings for gold latfloor
+	for latfloor in $device/*cpu6-cpu*latfloor/devfreq/*cpu6-cpu*latfloor
+	do
+		cat $latfloor/available_frequencies | cut -d " " -f 1 > $latfloor/min_freq
+		echo 8 > $latfloor/polling_interval
+	done
+
+	# configure mem_latency settings for DDR scaling
+	for memlat in $device/*lat/devfreq/*lat
+	do
+		cat $memlat/available_frequencies | cut -d " " -f 1 > $memlat/min_freq
+		echo 8 > $memlat/polling_interval
+		echo 400 > $memlat/mem_latency/ratio_ceil
+	done
+
+	#Gold CPU6 L3 ratio ceil
+	for l3gold in $device/*cpu6-cpu-l3-lat/devfreq/*cpu6-cpu-l3-lat
+	do
+		echo 4000 > $l3gold/mem_latency/ratio_ceil
+		echo 25000 > $l3gold/mem_latency/wb_filter_ratio
+		echo 60 > $l3gold/mem_latency/wb_pct_thres
+	done
+
+	#Gold CPU7 L3 ratio ceil
+	for l3gold in $device/*cpu7-cpu-l3-lat/devfreq/*cpu7-cpu-l3-lat
+	do
+		echo 4000 > $l3gold/mem_latency/ratio_ceil
+		echo 25000 > $l3gold/mem_latency/wb_filter_ratio
+		echo 60 > $l3gold/mem_latency/wb_pct_thres
+	done
+
+done
+
+echo N > /sys/module/lpm_levels/parameters/sleep_disabled
+
+configure_memory_parameters
+
+setprop vendor.post_boot.parsed 1