Difference between revisions of "IoTGateway/BSP/Android/Gettingstarted/How to set Multi-display for rk"
From ESS-WIKI
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dual_lcd_screen0 and dual_lcd_screen1 is optional and Only when display_mode set to dual_lcd is available | dual_lcd_screen0 and dual_lcd_screen1 is optional and Only when display_mode set to dual_lcd is available | ||
| − | Also set " | + | Also set "persist.htg.force" to 1 at build.prop |
| + | |||
| + | Power on,： | ||
| + | |||
| + | shell@rsb4680:/ $ su | ||
| + | root@rsb4680:/ # setprop persist.htg.force 1 | ||
| + | root@rsb4680:/ # reboot | ||
Revision as of 07:50, 17 May 2018
HDMI(4K) and VGA(edp)
This is the default display mode，To set the display_mode environment variable as the default value
Power on, stop at the uboot stage：
rkboot # setenv display_mode rkboot # saveenv rkboot # reset
HDMI(4K) and LVDS
Power on, stop at the uboot stage：
rkboot # setenv display_mode lvds_800x480 rkboot # saveenv rkboot # reset
display_mode is optional : lvds_1024x768, dual_lvds_1920x1080
LVDS and VGA(edp)
Power on, stop at the uboot stage：
rkboot # setenv display_mode dual_lcd rkboot # setenv dual_lcd_screen0 edp_1024x768 rkboot # setenv dual_lcd_screen1 lvds_800x480 rkboot # saveenv rkboot # reset
dual_lcd_screen0 and dual_lcd_screen1 is optional and Only when display_mode set to dual_lcd is available
Also set "persist.htg.force" to 1 at build.prop
Power on,：
shell@rsb4680:/ $ su root@rsb4680:/ # setprop persist.htg.force 1 root@rsb4680:/ # reboot