QY-IMX6S Linux Function And Test Manual
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FAQ:
①
LCD Display has no image, please confirm whether select the
items according to above kernel option.
②
.Display image position match LCD monitor’s size or not,
please confirm whether current kernel resolution is the same as
current using LCD monitor data.
2.15. LVDS Test
2-CH LVDS interface (J16, J17). QY-HJ070NA , 7 inch LCD
resolution: 1024x600.
After powering on, input the following command in u-boot.
setenv bootargs_mmc 'setenv bootargs ${bootargs} root=/dev/mmcblk0p1 rootwait rw
video=mxcfb0:dev=ldb,LDB-WSVGA,if=RGB666 ldb=dul0'
saveenv;boot
Load to kernel.
Test Principle
：
Set frame buffer in uboot and boot HDMI driver, set resolution. Boot
development board, video output is HDMI. System boots, it shows
penguin picture which kernel owns.
