config.txt

# Raspberry Pi configuration file
# For more options and information see
# http://www.raspberrypi.org/documentation/configuration/config-txt.md


###
# Config Options
###

### Sets the memory split between the CPU and GPU
gpu_mem=32

### Disable rainbow splash at boot
disable_splash=1

### Raspberry camera module (requires gpu_mem >= 128 MB)
#start_x=1
#disable_camera_led=1

### UART console when booting RPi3
#enable_uart=1


### Display Options

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

# Use HDMI mode even if no HDMI monitor is detected
#hdmi_force_hotplug=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 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



###
# Device Tree overlays and parameters
###

### Uncomment some or all of these to enable the optional hardware interfaces

# Completely disable device tree overlays
#device_tree=

### Base dtb paramters.
### Refer to /boot/overlay/README for detailed parameter descriptions

dtparam=audio=on
#dtparam=i2c=on
#dtparam=i2s=on
#dtparam=spi=on
#dtparam=watchdog=on


### Configs specifically for RPi4
[pi4]
# Enable DRM VC4 V3D driver on top of dispmanx display stack
dtoverlay=vc4-fkms-v3d
max_framebuffers=2


### Configs for all other RPi revisions
[all]