What were you trying to do that didn't work?

The external monitor could not be detected on Lenovo P16 Gen3 Aster in RHEL 10 with Nouveau Driver.

What is the impact of this issue to you? 

No display at the external monitor.

Please provide the package NVR for which the bug is seen:

OS: RHEL10 (Coughlan)
Kernel: 6.12.0-55.9.1.el10_0.x86_64

How reproducible is this bug?:

100%

Steps to reproduce

1. Install RHEL 10 on Lenovo P16 Gen 3 Aster.
2. Reboot the system.
3. Connect external monitor to the HDMI port.
4. Open display settings. --> External monitor not detected.
5. Press FN+F7. --> There is no screen switching.

Expected results

External monitor should be detected.

Actual results

External monitor is not detected.

dmesg: dmesg_external.log

video: Aster_rhel10_xternal.mp4