Enabling 4k hdmi output on Xavier NX JP4.4

Robotics & Edge Computing Jetson Systems Jetson Xavier NX
1

Hi,

on a xavier NX development kit i flashed it with JetPack 4.4. I need to enable 4k HDMI output for my use case.

i flashed the xavier with

sudo ./flash.sh jetson-xavier-nx-devkit-emmc mmcblk0p1

and upon xrandr:

Screen 0: minimum 8 x 8, current 2560 x 1440, maximum 32767 x 32767
HDMI-0 connected primary 2560x1440+0+0 (normal left inverted right x axis y axis) 600mm x 330mm
   2560x1440     59.96*+  99.95    84.98  
   1920x1080     60.00    60.00    59.95    50.00  
   1680x1050     59.96  
   1440x900      59.89  
   1280x1024     75.03    60.00  
   1280x720      60.00    59.94    50.00  
   1024x768      75.03    70.07    60.01  
   800x600       75.00    72.19    60.32    56.25  
   720x576       50.00  
   720x480       59.94  
   640x480       75.00    72.81    67.06    59.94    59.94  
DP-0 disconnected (normal left inverted right x axis y axis)

How do i get 3840x2160 HDMI output, please assist.

2

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