Display configuration tutorial

Official image version：
retropie-buster-4.7-xxxx.img

Board version：Raspberry Ri Zero/Zero 2/3B/4B/CM4

Firstly , you need update your retropie os . Make sure all software updated ok, No errors.
If have any errors, You need try again or check your internet.
Some errors will make display not work
sudo apt-get update
sudo apt-get upgrade -y

Download lcd154.dtbo to your pi
sudo cp lcd154.dtbo /boot/overlays/

sudo nano /boot/config.txt
Add the following code

dtparam=spi=on

dtoverlay=lcd154:rotate=270

hdmi_force_hotplug=1

max_usb_current=1

hdmi_group=2

hdmi_mode=1

hdmi_mode=87

hdmi_cvt 480 480 60 6 0 0 0

hdmi_drive=2

display_rotate=0
dtoverlay=dwc2,dr_mode=host
avoid_warnings=1

Download rpi-fbcp.zip to your pi
unzip rpi-fbcp.zip

cd rpi-fbcp/build/

sudo install fbcp /usr/local/bin/fbcp

sudo nano /etc/rc.local
Add the following code
sleep 7

fbcp &
like the following picture

To reboot with using this command sudo reboot

Then the LCD will display ok

TAG： CSI Camera TTL To CAN Mini Industrial USB TO 8CH TTL Converter USB to UART Multi Protection Circuits Multi Systems 5inch USB Monitor ESP32 S3 LCD Camera Development Board 2 inch Display QMI8658 Sensor / Battery Port LVGL/HMI For Arduino HDMI to TTL Jetson 1.5inch LCD Industrial USB TO 4CH RS232/485/422/TTL Serial UART Converter FT4232HL Core3566004000 Raspberry Pi Transparent LCD Tang-Nano-20K-FPGA-Unboxing TTL To CAN USB Binocular Camera 2MP OS02G10 Distortion Free Binocular Synchronous Frame USB 2.0 Plug and Play RS485 PI5 ABS Case ESP32 ST7789 tutorial WiFi Wireless ESP32 DDSM Motor Driver HAT For Direct Drive Servo Hub Motors For Raspberry Pi Jetson-nano-to-boot-the-system User Guide Raspberry Pi 5 Case MAX9296 GMSL Camera Adapter Board 2-Ch High-Speed And Low-Latency Transmission For Jetson Orin Nano/NX

Raspberry Pi 1.54inch LCD-Retropie-Display configuration tutorial (device tree)

Raspberry Pi Game zero 2W/2B/3B+/4B 1.54inch mini LCD touchscreen