# 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

# 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=i2s=on
#dtparam=spi=on

# Uncomment this to enable infrared communication.
#dtoverlay=gpio-ir,gpio_pin=17
#dtoverlay=gpio-ir-tx,gpio_pin=18

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

# Enable audio (loads snd_bcm2835)
dtparam=audio=on

[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

# Custom power settings
max_usb_current=1

# Disable the PWR LED.
# dtparam=pwr_led_trigger=none
# dtparam=pwr_led_activelow=off

# Disable Rainbow splash
disable_splash=1

# GPU Mem
gpu_mem=256

# Overscan fix
overscan_scale=1

# Enable watchdog
dtparam=watchdog=on

# Boot time improvements
boot_delay=0
initial_turbo=30
start_cd=1
#dtoverlay=sdtweak,overclock_50=100

# Bluetooth
dtoverlay=pi3-disable-bt

# VGA666
dtoverlay=vga666
enable_dpi_lcd=1
display_default_lcd=1
dpi_group=2
dpi_mode=87

# test
dpi_timings=400 0 16 32 48 234 0 9 3 17 0 0 0 60 1 8000000 1 # ok
#dpi_timings=848 0 24 80 104 480 0 3 10 7 0 0 0 60 0 31500000 1
#dpi_timings=400 0 16 96 48 234 0 11 2 31 0 0 0 60 0 12175000 1
# 640x480x50Hz
#dpi_timings=640 0 16 96 48 480 0 11 2 31 0 0 0 60 0 25175000 1

#dpi_timings=320 0 16 96 48 240 0 11 2 31 0 0 0 60 0 12587500 6

# overscan_left=16
# overscan_right=0
# overscan_top=0
# overscan_bottom=0


# I2C Bus
dtparam=i2c_arm=on
dtparam=spi=off
