Difference between revisions of "How to Config Multi-Display for RK3399 RSB4710"

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</pre>
 
</pre>
  
−
== eDP + LVDS[[http://ess-wiki.advantech.com.tw/wiki/index.php?title=Help_talk:How_to_Config_Multi-Display_for_RK3399_RSB4710&action=edit&section=5 edit]] ==
+
== eDP + LVDS ==
 
<pre>setenv prmry_screen edp-1920x1080
 
<pre>setenv prmry_screen edp-1920x1080
 
setenv extend_screen lvds-g070vw01
 
setenv extend_screen lvds-g070vw01
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−
== LVDS + HDMI[[http://ess-wiki.advantech.com.tw/wiki/index.php?title=Help_talk:How_to_Config_Multi-Display_for_RK3399_RSB4710&action=edit&section=6 edit]] ==
+
== LVDS + HDMI ==
 
<pre>setenv prmry_screen hdmi-default
 
<pre>setenv prmry_screen hdmi-default
 
setenv extend_screen lvds-g070vw01
 
setenv extend_screen lvds-g070vw01
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</pre>
 
</pre>
  
−
== eDP + DP[[http://ess-wiki.advantech.com.tw/wiki/index.php?title=Help_talk:How_to_Config_Multi-Display_for_RK3399_RSB4710&action=edit&section=7 edit]] ==
+
== eDP + DP ==
 
<pre>setenv prmry_screen edp-1920x1080
 
<pre>setenv prmry_screen edp-1920x1080
 
setenv extend_screen dp-default
 
setenv extend_screen dp-default
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−
== LVDS + DP[[http://ess-wiki.advantech.com.tw/wiki/index.php?title=Help_talk:How_to_Config_Multi-Display_for_RK3399_RSB4710&action=edit&section=8 edit]] ==
+
== LVDS + DP ==
 
<pre>setenv prmry_screen dp-default
 
<pre>setenv prmry_screen dp-default
 
setenv extend_screen lvds-g070vw01
 
setenv extend_screen lvds-g070vw01
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== HDMI + DP[[http://ess-wiki.advantech.com.tw/wiki/index.php?title=Help_talk:How_to_Config_Multi-Display_for_RK3399_RSB4710&action=edit&section=9 edit]] ==
+
== HDMI + DP ==
 
<pre>setenv prmry_screen hdmi-default
 
<pre>setenv prmry_screen hdmi-default
 
setenv extend_screen dp-default
 
setenv extend_screen dp-default
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</pre>
 
</pre>
  
−
== Default Support Display[[http://ess-wiki.advantech.com.tw/wiki/index.php?title=Help_talk:How_to_Config_Multi-Display_for_RK3399_RSB4710&action=edit&section=10 edit]] ==
+
== Default Support Display ==
  
 
{| border="1" cellspacing="1" cellpadding="1"
 
{| border="1" cellspacing="1" cellpadding="1"
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| lvds-g215hvn01<br/>
 
| lvds-g215hvn01<br/>
 
| 1920x1080
 
| 1920x1080
 +
|}
 +
 +
== Using envtools in Debian/Android ==
 +
 +
{| border="1" cellspacing="1" cellpadding="1"
 +
|-
 +
| '''In uboot'''
 +
| '''In Debian/Android'''
 +
|-
 +
| <span style="color:#FF0000;">setenv</span> prmry_screen hdmi-default<br/>
 +
| <span style="color:#FF0000;">fw_setenv</span> prmry_screen hdmi-default<br/>
 +
|-
 +
| <span style="color:#FF0000;">setenv</span> extend_screen edp-1920x1080
 +
| <span style="color:#FF0000;">fw_setenv</span> extend_screen edp-1920x1080<br/>
 +
|-
 +
| saveenv
 +
| <br/>
 +
|-
 +
| reset
 +
| reboot
 
|}
 
|}

Revision as of 04:33, 30 July 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. 

Contents

 [hide] 

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

Using envtools in Debian/Android

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
reset reboot
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