[SOLVED] pi4 dual monitors

Raspberry Pi 2

[SOLVED] pi4 dual monitors

Postby jal » Mon Sep 07, 2020 10:55 am

Hi,

I didn't find anything perfect online, so would like to jot down what I have that works. It is a real one-two monitor setup (not mirrored).

cat /boot/config.txt
$this->bbcode_second_pass_code('', '
gpu_mem=128 start_file=start_x.elf fixup_file=fixup_x.dat
initramfs initramfs-linux.img followkernel
program_usb_boot_mode=1
disable_overscan=1
dtoverlay=vc4-fkms-v3d
max_framebuffers=2 ')
$this->bbcode_second_pass_code('', 'core/linux-raspberrypi4 5.4.61-2 [installed]
extra/xf86-video-fbdev 0.5.0-2 (xorg-drivers) [installed]
extra/mesa 20.1.7-1 [installed]
')
[pi@pi4b ~]$ xrandr
$this->bbcode_second_pass_code('', 'Screen 0: minimum 320 x 200, current 3840 x 1080, maximum 7680 x 7680
HDMI-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 527mm x 296mm
1920x1080 60.00*+ 74.97 50.00 59.94
[...]
HDMI-2 connected 1920x1080+1920+0 (normal left inverted right x axis y axis) 509mm x 286mm
1920x1080 60.00*+ 50.00 59.94
[...] ')
Not sure if any other info would help, ask if so.

Cheers!
jal
 
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