Multiple Display; Enter U-Boot Interrupt Mode - Advantech RSB-4810 User Manual

3.8

Multiple Display

RSB-4810 supports four kinds of the display ports — HDMI, eDP, LVDS and MIPI-
DSI. Only two ports can be used simultaneously.
HDMI, eDP, MIPI-DSI can only set to display0 or display1.
LVDS can only set to display1 or display2.
LVDS and MIPI are alternative.
Default Display Support:
Port
EDP
LVDS
HDMI
MIPI-DSI
Notes:
1. The name of the panel must begin with "edp-", "lvds-" , "hdmi-" or "dp-".
They can be found in "kernel/include/dt-bindings/display/screen-timing/{LCDNAME}.dtsi"
For example,
lvds_g070vw01: lvds-g070vw01
2. If there is no configuration, you will get default setting: hdmi-default and edp-1366x768 as
default setting.
3. Check the configuration via the terminal or debug console.
fw_printenv | grep display
...
display0=hdmi-default
display1=edp-1366x768
...
3.8.1

Enter U-Boot Interrupt Mode

Connect the device to the debug port and open the debug console.
Press "ctrl + c" before powering on the device. The following information will be dis-
played on the debug console:
Hit any key to stop autoboot: 0
=> <INTERRUPT>
=>
Then input the commands below to configure multi-display function.
RSB-4810
EDP-1920x1080
EDP-1366x768
LVDS-g070vw01
LVDS-g150xgel05
LVDS-800x480
LVDS-1024x768
LVDS-1280x800
LVDS-1366x768
HDMI-default
MIPI-gl0uan
45 RSB-4810 User Manual