From 50d36915203138d7b1f3378a72bd4e735b3101b1 Mon Sep 17 00:00:00 2001
From: Chungkai Mei <chungkai@google.com>
Date: Thu, 20 Apr 2023 08:46:30 +0000
Subject: [PATCH] Enable load kernel modules in parallel

enable load kernel modules in parallel but load some
specific modules in sequential

Test: reboot more than 500 times without failure
Bug: 229794277
Change-Id: I41cb5a09fb88ff7faa5ec12f71209b35cd941948
Signed-off-by: Chungkai Mei <chungkai@google.com>
---
 tangorpro/BoardConfig.mk | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tangorpro/BoardConfig.mk b/tangorpro/BoardConfig.mk
index fdd1772..0aca763 100644
--- a/tangorpro/BoardConfig.mk
+++ b/tangorpro/BoardConfig.mk
@@ -16,6 +16,12 @@
 TARGET_BOARD_INFO_FILE := device/google/tangorpro/board-info.txt
 TARGET_BOOTLOADER_BOARD_NAME := tangorpro
 
+# Enable load module in parallel
+BOARD_BOOTCONFIG += androidboot.load_modules_parallel=true
+
+# The modules which need to be loaded in sequential
+BOARD_KERNEL_CMDLINE += exynos_drm.load_sequential=1
+
 ifdef PHONE_CAR_BOARD_PRODUCT
     include vendor/auto/embedded/products/$(PHONE_CAR_BOARD_PRODUCT)/BoardConfig.mk
 else