config.txt文件主要配置显示屏显示的各种参数 路径为：/boot/config.txt

For more options and information see
# http://rpf.io/configtxt
# Some settings may impact device functionality. See link above for details

uncomment if you get no picture on HDMI for a default “safe” mode
#hdmi_safe=1

uncomment this if your display has a black border of unused pixels visible
# and your display can output without overscan
#disable_overscan=1

uncomment the following to adjust overscan. Use positive numbers if console
# goes off screen, and negative if there is too much border
#overscan_left=16
#overscan_right=16
#overscan_top=16
#overscan_bottom=16

uncomment to force a console size. By default it will be display’s size minus
# overscan.
#framebuffer_width=1280
#framebuffer_height=720

uncomment if hdmi display is not detected and composite is being output
#hdmi_force_hotplug=1

uncomment to force a specific HDMI mode (this will force VGA)
#hdmi_group=1
#hdmi_mode=1

uncomment to force a HDMI mode rather than DVI. This can make audio work in
# DMT (computer monitor) modes
#hdmi_drive=2

uncomment to increase signal to HDMI, if you have interference, blanking, or
# no display
#config_hdmi_boost=4

uncomment for composite PAL
#sdtv_mode=2

uncomment to overclock the arm. 700 MHz is the default.
#arm_freq=800

Uncomment some or all of these to enable the optional hardware interfaces
#dtparam=i2c_arm=on
#dtparam=i2s=on
#dtparam=spi=on

Uncomment this to enable the lirc-rpi module
#dtoverlay=lirc-rpi

Additional overlays and parameters are documented /boot/overlays/README

Enable audio (loads snd_bcm2835)
dtparam=audio=on
#取消启动界面
disable_splash=1

[pi4]
# Enable DRM VC4 V3D driver on top of the dispmanx display stack
# dtoverlay=vc4-fkms-v3d
max_framebuffers=2

[all]
#dtoverlay=vc4-fkms-v3d
max_usb_current=1
hdmi_force_hotplug=1
config_hdmi_boost=10
hdmi_group=2
hdmi_mode=87
hdmi_cvt 1024 600 60 6 0 0 0