Difference between revisions of "HBW test/test"

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(config u-boot env)
Line 15: Line 15:
  
 
==Convert EDID config to hex value==
 
==Convert EDID config to hex value==
 +
(use g070vw01v0.bin as example below)
 +
<syntaxhighlight lang="bash">
 +
EDIDBIN=g070vw01v0.bin
 +
xxd -c 16 -ps $EDIDBIN | sed "s/../0x& /g; s/ *$//"
 +
</syntaxhighlight>
  
 
==Convert hex value to i2cset command list==
 
==Convert hex value to i2cset command list==

Revision as of 11:32, 28 December 2023

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

(use g070vw01v0.bin as example below)

EDIDBIN=g070vw01v0.bin
xxd -c 16 -ps $EDIDBIN | sed "s/../0x& /g; s/ *$//"

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 to ebable LVDS display

(choose 1,3,4,5 or 6 as a new EDID, use 6 as example below)
break countdown in u-boot

  • Multi-display (HDMI + LVDS)
The LVDS is always major display that has nothing to do with the specified order.
setenv list_dbto "gpu-mali.dtbo video.dtbo apusys.dtbo hdmi.dtbo lvds6.dtbo"
saveenv
reset
  • LVDS only
setenv list_dbto "gpu-mali.dtbo video.dtbo apusys.dtbo lvds6.dtbo"
saveenv
reset