We want to use the sample 08_video_dec_drm to do a DRM rendering demonstrate. By steps on https://docs.nvidia.com/jetson/l4t-multimedia/l4t_mm_08_video_decode_drm.html.
Ensure the Ubuntu desktop is disabled:
$ sudo systemctl stop gdm
$ sudo loginctl terminate-seat seat0
Install nvidia-drm driver for Jetson Orin:
$ sudo modprobe nvidia-drm modeset=1
We can not get a login prompt on the screen after typing the command “sudo systemctl stop gdm” and “sudo loginctl terminate-seat seat0”… Even pressing pressing Ctrl+Alt+Fx. Just get a black screen, no signal.
We have tried those command on Jetson Xavier before, we can pressing Crtl+Alt+Fx to get a login prompt.
And we make sure the device is working, we can run the 08_video_dec_drm through SSH.
But we need a method to do demostrate on Jetson NX directly, not by another computer.
And we want to stop and start GUI by stop and start gdm as Jetson Xavier.
Device: Jetson NX 8G
L4T: # R35 (release), REVISION: 3.1, GCID: 32827747, BOARD: t186ref, EABI: aarch64, DATE: Sun Mar 19 15:19:21 UTC 2023