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Posted: **Fri Aug 23, 2024 11:40 pm**

In this procedure, we will install BeadaPanel as a secondary monitor, along with Ubuntu's main monitor.

Section 1, Install DRM Driver
Pre-requirements

A BeadaPanel Media Display
A Desktop PC(with Ubuntu 24.04 LTS)

Procedures

Connect Micro-USB cable with Desktop PC and BeadaPanel
Login to Ubuntu main monitor
Open a term window

Compile the driver

Code: Select all

git clone -b kub-6.8.0 https://github.com/JT365/beada # download code
cd beada/src
make -C /usr/src/linux-headers-`uname -r`/ M=`pwd` modules # compile

Install the driver

Code: Select all

sudo cp beadaDRM.ko /lib/modules/`uname -r`/kernel/drivers/gpu/drm/tiny/ # install module
sudo depmod -a # load at bootup

Section 2, Screen Configuration on GNOME Desktop
Wayland will not automatically discover an USB screen as soon as BeadaPanel plugin. Reboot your PC with BeadaPanel connected is required. When Ubuntu boots up, you will find it joins up your main monitor and BeadaPanel on GNOME desktop.

Fine tune in Display Configuration
Click to Settings|Displays

Section 3, Set BeadaPanel as Primary Monitor in Wayland Environment
Proceduces

Go to Settings|Displays
Select BeadaPanel as Primary display
Click 'Apply' and then choose 'Keep changes' to current display setting
BeadaPanel becomes primary monitor immediately

Section 4, Adjust backlight of BeadaPanel
Proceduces

Open a term window

Find current BeadaPanel DRM device

Code: Select all

esky-sh@NX-W-12:~$ ls /sys/class/drm/
card0  card0-USB-1  card1  card1-VGA-1  renderD128  version

Check current BeadaPanel backlight level

Code: Select all

esky-sh@NX-W-12:~$ cat /sys/class/drm/card0-USB-1/backlight/brightness
90

Modify backlight:

Code: Select all

esky-sh@NX-W-12:~$ echo 30 >  /sys/class/drm/card0-USB-1/backlight/brightness
esky-sh@NX-W-12:~$ cat /sys/class/drm/card0-USB-1/backlight/brightness
30

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DRM Driver Installation on Ubuntu 24.04

DRM Driver Installation on Ubuntu 24.04