How to add one new LVDS panel's EDID to PTN3460
From ESS-WIKI
Prerequisites
On Host PC
- LVDS panel's EDID config (128 bytes)
- (optional) one utility to edit EDID config
- PTN3460 Programming Guide
On RSB-3810
- i2c-tools installed
sudo apt update
sudo apt install i2c-tools
Convert EDID config to hex value
Convert hex value to i2cset command list
Add i2c command for PTN3460
run the script
flash new firmware.vfat
get and extract update_edid.tgz
tar xvf update_edid.tgz
flash u-boot env & firmware (dtb)
genio-flash mmc0boot1 firmware firmware_b
config u-boot env
add correct lvds panel
break countdown in u-boot
# dual display - HDMI (minor) + LVDS (EDID 6) (major)
setenv list_dbto "gpu-mali.dtbo video.dtbo apusys.dtbo display-hdmi.dtbo display-lvds6.dtbo"
# single display only - LVDS (EDID 6)
setenv list_dbto "gpu-mali.dtbo video.dtbo apusys.dtbo display-lvds6.dtbo"