Difference between revisions of "How to Config Multi-Display for RK3399 RSB710"

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(Created page with "RSB-4710 surport 4 display ports : eDP、LVDS(mipi to LVDS)、HDMI、DP (DP to HDMI). Only two ports work at the same time . You can config M...")
 
 
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'''NOTE:'''
 
'''NOTE:'''
  
        Android distinguish the primary and the extend screen.
+
        Android distinguish the primary and the extend screen. 
  
 
== Enter U-boot interrupt mode ==
 
== Enter U-boot interrupt mode ==
  
Connect device to debug port, and open debug console. See more : [[How_to_debug|How_to_debug]].
+
Connect device to debug port, and open debug console. See more : [[How_to_debug_for_RK3399_RSB4710|How_to_debug]].
  
 
Press "ctrl + c" key before power up the device, until get the following information on debug console : 
 
Press "ctrl + c" key before power up the device, until get the following information on debug console : 
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​setenv extend_screen hdmi-default
 
​setenv extend_screen hdmi-default
 
saveenv
 
saveenv
reset</pre>
+
reset
 +
</pre>
 +
 
 +
== eDP + DP ==
 +
<pre>setenv prmry_screen edp-1920x1080
 +
setenv extend_screen dp-default
 +
saveenv
 +
reset
 +
</pre>
 +
 
 +
 
 +
 
 +
or
 +
<pre>setenv prmry_screen dp-default
 +
setenv extend_screen edp-1920x1080
 +
saveenv
 +
reset
 +
</pre>
 +
 
 +
 
 +
 
 +
== LVDS + DP ==
 +
<pre>setenv prmry_screen dp-default
 +
setenv extend_screen lvds-g070vw01
 +
saveenv
 +
reset
 +
</pre>
 +
 
 +
or
 +
<pre>setenv prmry_screen lvds-g070vw01
 +
setenv extend_screen dp-default
 +
saveenv
 +
reset
 +
</pre>
 +
 
 +
 
 +
 
 +
== HDMI + DP ==
 +
<pre>setenv prmry_screen hdmi-default
 +
setenv extend_screen dp-default
 +
saveenv
 +
reset
 +
</pre>
 +
 
 +
or
 +
<pre>setenv prmry_screen dp-fefault
 +
​setenv extend_screen hdmi-default
 +
saveenv
 +
reset
 +
</pre>
  
 
== Default Support Display ==
 
== Default Support Display ==

Latest revision as of 06:54, 14 February 2020

RSB-4710 surport 4 display ports : eDP、LVDS(mipi to LVDS)、HDMI、DP (DP to HDMI). Only two ports work at the same time .

You can config Multi-Display to eDP + HDMI 、eDP + LVDS、LVDS + HDMI 、eDP + DP、LVDS + DP、HDMI + DP.

NOTE:

        Android distinguish the primary and the extend screen. 

Enter U-boot interrupt mode

Connect device to debug port, and open debug console. See more : How_to_debug.

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

Default Support Display

Port RSB4710
edp edp-1920x1080
edp-1366x768
lvds lvds-g070vw01
lvds-g150xgel05
lvds-g215hvn01
hdmi hdmi-default
dp dp-default


NOTE : 

1. The name of the panel must begin with "edp-"、"lvds-" 、"hdmi-"  or “dp-”.

And it can be found in "kernel/include/dt-bindings/display/screen-timing/{LCDNAME}.dtsi" like :

lvds_g070vw01: lvds-g070vw01

2. If there is no configuration, you will get default setting :

hdmi-default  and dp-default as default setting.

3. Check your configuration in Terminal or debug console.

cat /proc/cmdline
... prmry_screen=hdmi-default extend_screen=dp-default