From d4eb3d10d870bd61ea63fd3e32232c41213c0be1 Mon Sep 17 00:00:00 2001
From: Tad <tad@spotco.us>
Date: Tue, 10 Jul 2018 17:44:37 -0400
Subject: [PATCH] Performance tweaks from @AndDiSa

Change-Id: Iec5622c061565d362cdeda32d030015e5e90e6fd
---
 BoardConfig.mk                                |  1 +
 BoardConfigCommon.mk                          |  3 ++
 device-common.mk                              | 20 +++++++++++
 device.mk                                     |  1 +
 .../base/core/res/res/values/config.xml       |  7 +++-
 system.prop                                   | 35 +++++++++++++++++--
 6 files changed, 63 insertions(+), 4 deletions(-)

diff --git a/BoardConfig.mk b/BoardConfig.mk
index aa8876b..2bc159f 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -18,3 +18,4 @@ TARGET_RELEASETOOLS_EXTENSIONS := device/asus/grouper
 include device/asus/grouper/BoardConfigCommon.mk
 
 TARGET_RECOVERY_FSTAB := device/asus/grouper/rootdir/fstab.grouper
+BOARD_EGL_WORKAROUND_BUG_10194508 := true
diff --git a/BoardConfigCommon.mk b/BoardConfigCommon.mk
index f402c86..0cff477 100644
--- a/BoardConfigCommon.mk
+++ b/BoardConfigCommon.mk
@@ -53,6 +53,9 @@ BOARD_SYSTEMIMAGE_JOURNAL_SIZE := 0
 # Only pre-optimize the boot image
 WITH_DEXPREOPT_BOOT_IMG_ONLY := true
 
+# Avoid the generation of ldrcc instructions
+NEED_WORKAROUND_CORTEX_A9_745320 := true
+
 # Configure jemalloc for low-memory
 MALLOC_SVELTE := true
 
diff --git a/device-common.mk b/device-common.mk
index ac66bec..daae064 100644
--- a/device-common.mk
+++ b/device-common.mk
@@ -25,6 +25,26 @@ $(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_base.mk)
 # Dalvik VM config
 $(call inherit-product, frameworks/native/build/tablet-7in-hdpi-1024-dalvik-heap.mk)
 
+# Set lowram options
+PRODUCT_PROPERTY_OVERRIDES += \
+    ro.lmk.critical_upgrade=true \
+    ro.lmk.upgrade_pressure=40
+
+# Default heap sizes. Allow up to 256m for large heaps to make sure a single app
+# doesn't take all of the RAM.
+PRODUCT_PROPERTY_OVERRIDES += dalvik.vm.heapgrowthlimit=128m
+PRODUCT_PROPERTY_OVERRIDES += dalvik.vm.heapsize=256m
+
+# ART
+PRODUCT_PROPERTY_OVERRIDES += \
+		dalvik.vm.dex2oat-flags=--no-watch-dog \
+		dalvik.vm.dex2oat-swap=true \
+		ro.sys.fw.dex2oat_thread_count=4
+
+# libhwui flags
+PRODUCT_PROPERTY_OVERRIDES += \
+    debug.hwui.render_dirty_regions=false
+
 # Init files
 PRODUCT_COPY_FILES += \
     device/asus/grouper/rootdir/init.grouper.usb.rc:root/init.grouper.usb.rc \
diff --git a/device.mk b/device.mk
index 33c1fc9..ecaece8 100644
--- a/device.mk
+++ b/device.mk
@@ -25,6 +25,7 @@ PRODUCT_COPY_FILES += \
 
 PRODUCT_PROPERTY_OVERRIDES += \
     ro.carrier=wifi-only
+    ro.radio.noril=true
 
 DEVICE_PACKAGE_OVERLAYS += \
     device/asus/grouper/overlay
diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index d28e4fb..61c1c0e 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -18,7 +18,6 @@
 -->
 
 <resources>
-
     <!-- This string array should be overridden by the device to present a list of network
          attributes.  This is used by the connectivity manager to decide which networks can coexist
          based on the hardware -->
@@ -216,7 +215,13 @@
     <!-- reference volume index for music stream to limit headphone volume and display warning -->
     <integer name="config_safe_media_volume_index">6</integer>
 
+    <!-- Set lowmemorykiller threshold -->
+    <integer name="config_lowMemoryKillerMinFreeKbytesAbsolute">-1</integer>
+    <integer name="config_lowMemoryKillerMinFreeKbytesAdjust">0</integer>
+
     <!-- Enable doze powersaving -->
     <bool name="config_enableAutoPowerModes">true</bool>
 
+    <!-- Whether to enable HumanInteractionController by default -->
+    <bool name="config_HICEnabledDefault">false</bool>
 </resources>
diff --git a/system.prop b/system.prop
index b1d9807..37415d4 100644
--- a/system.prop
+++ b/system.prop
@@ -9,9 +9,38 @@ ro.zygote.disable_gl_preload=true
 # Set default LCD density to TVDPI
 ro.sf.lcd_density=213
 
+ro.sys.fw.bg_apps_limit = 12
+ro.sys.fw.use_trim_settings=true
+ro.sys.fw.trim_empty_percent=70
+ro.sys.fw.trim_cache_percent=70
+ro.config.max_starting_bg=8
+
 # Wi-Fi
 wifi.interface=wlan0
 
-# Configure PRISM, but disable it by default
-persist.tegra.didim.video=5
-persist.tegra.didim.enable=0
+# don't preload OpenGL in Zygote, the Tegra drivers do not like it
+ro.zygote.disable_gl_preload=true
+
+# configure PRISM
+persist.tegra.didim.video = 5
+persist.tegra.didim.enable = 1
+persist.tegra.didim.normal = 3
+
+# Dalvik and other tweaks
+dalvik.vm.heapgrowthlimit=128m
+dalvik.vm.heapsize=256m
+ro.ril.disable.power.collapse=0
+pm.sleep_mode=1
+ro.config.hw_power_saving=true
+persist.debug.wfd.enable=1
+persist.sys.force_highendgfx=true
+config.disable_atlas=true
+
+# 16bit Transparency
+persist.sys.use_16bpp_alpha=1
+
+#config low ram device
+#ro.config.low_ram=true
+
+#disable scrolling cache (1 = on, 2 = sometimes on, 3 = sometimes off, 4 = allways off)
+persist.sys.scrollingcache=1
-- 
2.18.0