Cannot output displays by connecting dual monitor via HP Docking

[jeremyszu]

[Summary]
Connect USB-C to HDMI monitor to USB-C display port and 4K DP monitor to DP port on docking, the external monitors cannot display.

Note:
1. Single 4K UHD montior on DP port can output successfully on docking.
2. Single FHD monitor with USB-C to HDMI adapter on USB-C displayport can output successfully on docking.

[Steps to reproduce]
1. Poweroff the system and plug docking station to the system
2. Boot up system from docking power button
3. Connect external display with USB-C to HDMI adapter to the USB-C display port on docking
4. Connect 4K UHD monitor with DP cable to DP port on docking station
5. Check the displays.

[Expected result]
Can output display successfully when the system connects to the dual monitor.

[Actual result]
Cannot output external displays by connecting USB-C to HDMI on USB-C display port and DP monitor to DP port on docking station.

[Failure rate]
1/1

[Additional information]
SKU: Alder SKU2(T1000), Alder SKU12(RTX4000)
system-manufacturer: HP
system-product-name: HP ZBook Fury 17 G7 Mobile Workstation
bios-version: S92 Ver. 01.06.00
CPU: Intel(R) Core(TM) i5-10400H CPU @ 2.60GHz (8x)
GPU: 00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:9bc4] (rev 05)
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation Device [10de:1fb9] (rev a1)
kernel-version: 5.10.0-1034-oem

[Atlas Yu (pseudoc)]

@jeremyszu Take a look at this: https://bugs.launchpad.net/sutton/+bug/1996502, they are quite alike.