@ChrisCompo By the way, adding 1920x510 special resolution to another customer in the same way is okay, indicating that the added code is not a problem. Currently, from the log, there is an issue with reading the HPD status.
- Can you upgrade the Ubuntu system to see if it can be displayed?
- Can other HDMI screens be displayed normally on this motherboard?
- Can this HDMI screen display normally on other motherboards?
[ 25.775705] rockchip-hdptx-phy-hdmi fed60000.hdmiphy: bus_width:0x7d000,bit_rate:512000
[ 25.780852] rockchip-hdptx-phy-hdmi fed60000.hdmiphy: hdptx phy lane can't ready!