Fix the video can't output through WD19TB connected with TGL platform during cold-boot
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
HWE Next |
Fix Released
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Fix Released
|
Undecided
|
koba | ||
Focal |
Invalid
|
Undecided
|
Unassigned | ||
Hirsute |
Fix Released
|
Undecided
|
koba | ||
linux-oem-5.10 (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Focal |
Fix Released
|
Undecided
|
koba | ||
Hirsute |
Invalid
|
Undecided
|
Unassigned |
Bug Description
[Impact]
After Apply the patches from https:/
[Fix]
The patch is provided by Imre(https:/
If there's no lttpr in the link chain, the DRM driver wouldn't configure the transparent mode again.
[Test Case]
1. Connected the WD19TB with the TGL platform and
connected the external monitor on WD19TB with HDMI/Displayport.
2. Don't plug the external monitor on the TGL platform, so there's only one monitor on WD19TB.
3. Cold boot the TGL platform.
4. Check the monitor can be blinked and the video can output to the monitor.
[Where problems could occur]
As per Imre's comment, this may be caused by the dock.
In the future if the WD19TB's firmware is updated, we may encounter the same issue again.
summary: |
- Fix that the video can't output through WD19TB connected with TGL - platform + Fix the video can't output through WD19TB connected with TGL platform + during cold-boot |
description: | updated |
affects: | linux (Ubuntu) → linux-oem-5.10 (Ubuntu) |
Changed in linux-oem-5.10 (Ubuntu Hirsute): | |
status: | Incomplete → New |
Changed in linux-oem-5.10 (Ubuntu Focal): | |
status: | New → In Progress |
assignee: | nobody → koba (kobako) |
Changed in linux (Ubuntu Hirsute): | |
status: | New → In Progress |
assignee: | nobody → koba (kobako) |
tags: | added: oem-priority originate-from-1906626 somerville |
Changed in linux-oem-5.10 (Ubuntu Focal): | |
status: | In Progress → Fix Committed |
Changed in linux (Ubuntu Focal): | |
status: | New → Invalid |
Changed in linux-oem-5.10 (Ubuntu Hirsute): | |
status: | New → Invalid |
tags: |
added: verification-done-focal removed: verification-needed-focal |
Changed in hwe-next: | |
status: | New → Fix Released |
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 1910211
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.