Difference between revisions of "How to Config Multi-Display for RK3399 RSB710"
Yunjin.jiang (talk | contribs) (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...") |
Yunjin.jiang (talk | contribs) |
||
Line 9: | Line 9: | ||
== Enter U-boot interrupt mode == | == Enter U-boot interrupt mode == | ||
− | Connect device to debug port, and open debug console. See more : [[ | + | 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 : |
Revision as of 05:52, 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.
Contents
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
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