USB-C to HDMI converter is not working with thunderbolt port

[Jerry Kao]

[Summary]
There are 2 USB-C port on my XPS 13 9380, one is Display port on the right side, the other is thunderbolt on the left side. When I using a USB-C to HDMI converter to connect an external monitor, it does not work with the thunderbolt port, but display port is always working.

I tried 4 different branding converters and get all the same result: DP port works, Thunderbolt port does NOT.
Detail syslog and dmesg can be found here
https://paste.ubuntu.com/p/V4DspmXTZc/

[Additional information]
jerry@jerry-XPS-13-9380:~$ lsb_release -a
No LSB modules are available.
Distributor ID:Ubuntu
Description:Ubuntu 19.04
Release:19.04
Codename:disco

kernel-version: 5.0.0-17-generic
bios-version: 1.3.2
CPU: Intel(R) Core(TM) i5-8265U CPU @ 1.60GHz (8x)
system-product-name: XPS 13 9380
system-manufacturer: Dell Inc.
GPU: 00:02.0 VGA compatible controller: Intel Corporation Device 3ea0

[Jerry Kao (jerry.kao)]

Automatically attached

[Jerry Kao (jerry.kao)]

Automatically attached

[Jerry Kao (jerry.kao)]

Automatically attached

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1833916

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Launchpad Janitor (janitor)]

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]