Display Setting (RSB-3710)

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Using envtools in Debian/Android

Using envtools to setup envs in Debian/Android OS is very similar in uboot.

Take “eDP+HDMI”for example :

In uboot In Debian/Android
setenv prmry_screen hdmi-default
fw_setenv prmry_screen hdmi-default
setenv extend_screen edp-1920x1080 fw_setenv extend_screen edp-1920x1080
saveenv saveenv
reset reset

Note :

The tool "fw_setenv" will save envs automatically in Debian/Android OS, so it isn't necessary to saveen manually.

LVDS Name Resolution
lvds-g070vw01
800x480
lvds-g150xgel05
1024x768
lvds-g215hvn01
1920x1080

Enter U-boot interrupt mode

Connect device to debug port, and open debug console. 

Press "ctrl + c" key before power up the device, until get the following information on debug console : 

Hit any key to stop autoboot: 0
=> <INTERRUPT>
=>

Then you can input the following cammand to config Multi-Display.

eDP + HDMI

setenv prmry_screen edp-1920x1080
setenv extend_screen hdmi-default
saveenv
reset


or

setenv prmry_screen hdmi-default
setenv extend_screen edp-1920x1080
saveenv
reset

eDP + LVDS

setenv prmry_screen edp-1920x1080
setenv extend_screen lvds-g070vw01
saveenv
reset

or

setenv prmry_screen lvds-g070vw01
setenv extend_screen edp-1920x1080 
saveenv
reset


LVDS + HDMI

setenv prmry_screen hdmi-default
setenv extend_screen lvds-g070vw01
saveenv
reset

or

setenv prmry_screen lvds-g070vw01
setenv extend_screen hdmi-default
saveenv
reset

eDP + DP

setenv prmry_screen edp-1920x1080
setenv extend_screen dp-default
saveenv
reset


or

setenv prmry_screen dp-default
setenv extend_screen edp-1920x1080
saveenv
reset


LVDS + DP

setenv prmry_screen dp-default
setenv extend_screen lvds-g070vw01
saveenv
reset

or

setenv prmry_screen lvds-g070vw01
setenv extend_screen dp-default 
saveenv
reset


HDMI + DP

setenv prmry_screen hdmi-default
setenv extend_screen dp-default
saveenv
reset

or

setenv prmry_screen dp-fefault
​setenv extend_screen hdmi-default
saveenv
reset