From 04585d5c637dfda537aef86cdbe0785562f32e77 Mon Sep 17 00:00:00 2001
From: "rick.chan" <chenyang@autoai.com>
Date: Wed, 16 Sep 2020 17:14:49 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B0=83=E6=95=B4=E5=BA=8F=E5=8F=B7=E5=A2=9E?=
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Signed-off-by: rick.chan <chenyang@autoai.com>
---
 .../Kernel/Modules/DRM/EDID/EDID_修改和参数说明.md |  2 +-
 .../Kernel/Modules/DRM/EDID/Kernel_EDID_配置.md    | 14 ++++++++------
 2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/Software/Development/OperatingSystem/Linux/Kernel/Modules/DRM/EDID/EDID_修改和参数说明.md b/Software/Development/OperatingSystem/Linux/Kernel/Modules/DRM/EDID/EDID_修改和参数说明.md
index ee9f5b1..40e6635 100644
--- a/Software/Development/OperatingSystem/Linux/Kernel/Modules/DRM/EDID/EDID_修改和参数说明.md
+++ b/Software/Development/OperatingSystem/Linux/Kernel/Modules/DRM/EDID/EDID_修改和参数说明.md
@@ -131,7 +131,7 @@ file. After the make procedure is repeated, the EDID data set is ready
 to be used.
 ```
 
-## 5.外部参考资料
+## 6.外部参考资料
 
 1. <https://e2e.ti.com/support/processors/f/791/t/543371?jacinto6-hdmi-display-issue-with-drm-edid->
 2. <https://unix.stackexchange.com/questions/97023/how-to-make-edid>
diff --git a/Software/Development/OperatingSystem/Linux/Kernel/Modules/DRM/EDID/Kernel_EDID_配置.md b/Software/Development/OperatingSystem/Linux/Kernel/Modules/DRM/EDID/Kernel_EDID_配置.md
index 7959014..857306b 100644
--- a/Software/Development/OperatingSystem/Linux/Kernel/Modules/DRM/EDID/Kernel_EDID_配置.md
+++ b/Software/Development/OperatingSystem/Linux/Kernel/Modules/DRM/EDID/Kernel_EDID_配置.md
@@ -2,17 +2,19 @@
 
 以 1920x720 为例。
 
-## 编译参数配置
+## 1.编译参数配置
 
 config 如下：
 
-```cpp
-CONFIG_EXTRA_FIRMWARE="1920x720.bin"
-CONFIG_EXTRA_FIRMWARE_DIR="Documentation/EDID"
+```bash
 CONFIG_DRM_LOAD_EDID_FIRMWARE=y
+# Built-in firmware
+# CONFIG_FIRMWARE_IN_KERNEL=y
+# CONFIG_EXTRA_FIRMWARE="1920x720.bin 1920x1080.bin"
+# CONFIG_EXTRA_FIRMWARE_DIR="firmware"  // this means 1920x720.bin and 1920x1080.bin are in $(source_dir)/firmware
 ```
 
-## Uboot 传参
+## 2.Uboot 传参
 
 ```bash
 setenv mmcargs 'setenv bootargs console=${console},${baudrate} root=${mmcroot} drm_kms_helper.edid_firmware=HDMI-A-1:1920x720.bin drm.debug=0x06'
@@ -20,7 +22,7 @@ setenv mmcargs 'setenv bootargs console=${console},${baudrate} root=${mmcroot} d
 drm_kms_helper.edid_firmware=HDMI-A-1:1920x720.bin,HDMI-A-2:1920x720.bin
 ```
 
-1920x720.bin 应存在于（Linux 固件目录） 或 /vendor/etc/firmware（Android）目录下。
+1920x720.bin 应存在于 /lib/firmware/（for Linux） 或 /vendor/etc/firmware（for Android）目录下。
 
 drm.debug=0x06 为 log 开关，对应文件 drivers/gpu/drm/drm_drv.c，其部分内容如下：