Orin NX with Xavier NX carrier board cannot output 1440p at 60Hz through HDMI port

[xlucny]

I have a 1440p DP display connected through HDMI-to-DP adapter. With Jetson Xavier NX, everything works fine.

With Jetson Orin NX, the HDMI port cannot output more than 720P

When I added the DebugMode option to X11.conf this was in the logs:

[    32.589] (WW) NVIDIA(GPU-0):   Validating Mode "2560x1440_60":
[    32.589] (WW) NVIDIA(GPU-0):     Mode Source: EDID
[    32.589] (WW) NVIDIA(GPU-0):     2560 x 1440 @ 60 Hz
[    32.589] (WW) NVIDIA(GPU-0):       Pixel Clock      : 241.50 MHz
[    32.589] (WW) NVIDIA(GPU-0):       HRes, HSyncStart : 2560, 2608
[    32.589] (WW) NVIDIA(GPU-0):       HSyncEnd, HTotal : 2640, 2720
[    32.589] (WW) NVIDIA(GPU-0):       VRes, VSyncStart : 1440, 1443
[    32.589] (WW) NVIDIA(GPU-0):       VSyncEnd, VTotal : 1448, 1481
[    32.589] (WW) NVIDIA(GPU-0):       Sync Polarity    : +H -V 
[    32.589] (WW) NVIDIA(GPU-0):     Mode is rejected: PixelClock (241.5 MHz) too high for
[    32.589] (WW) NVIDIA(GPU-0):     Display Device (Max: 165.0 MHz).
[    32.589] (WW) NVIDIA(GPU-0):     GPU extended capability check failed.
[    32.589] (WW) NVIDIA(GPU-0):     Mode "2560x1440_60" is invalid.

This behaviour was the same on our custom carrier board and on seeed A203V2 carrier board so I don’t think it’s a faulty board on our side.

Do you have any insight into why is this happenning?

[WayneWWW]

Yes, please directly flash your board with p3509 config to enable HDMI… so it will support native HDMI driver… No need to go through DP driver.

[xlucny]

Flashed the board with:

sudo ./tools/kernel_flash/l4t_initrd_flash.sh --external-device nvme0n1p1 -c tools/kernel_flash/flash_l4t_external.xml -p "-c bootloader/t186ref/cfg/flash_t234_qspi.xml" --showlogs --network usb0 p3509-a02+p3767-0000 internal

And it worked. Thanks.