Public bug reported:
[Impact]
For some TGL platform, connect with the external monitor on the docking
station(SC),
after cold/warm boot, the external monitor can't output the video and need to
hotplug the docking station.
[Fix]
On the link-training phase, Wait longer during the clock recovery.
[test]
With the patch, The TGL-machine connect with the external monitor on docking
station(SC) and
can output the video to the external monitor on docking station after cold/warm
boot.
[Regression Potential]
Medium, it may not the root cause.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux-oem-5.6 (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-5.6 (Ubuntu Focal)
Importance: Undecided
Assignee: koba (kobako)
Status: In Progress
** Tags: oem-priority originate-from-1892304 somerville
** Also affects: linux-oem-5.6 (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: hwe-next
** Also affects: linux-oem-5.6 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux-oem-5.6 (Ubuntu Focal)
Assignee: (unassigned) => koba (kobako)
** Changed in: linux-oem-5.6 (Ubuntu Focal)
Status: New => In Progress
** Tags added: oem-priority originate-from-1892304 somerville
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Packages, which is subscribed to linux-oem-5.6 in Ubuntu.
https://bugs.launchpad.net/bugs/1902861
Title:
drm/i915/dp_mst - wait longer during the clock recovery for Display
port
Status in HWE Next:
New
Status in linux-oem-5.6 package in Ubuntu:
New
Status in linux-oem-5.6 source package in Focal:
In Progress
Bug description:
[Impact]
For some TGL platform, connect with the external monitor on the docking
station(SC),
after cold/warm boot, the external monitor can't output the video and need to
hotplug the docking station.
[Fix]
On the link-training phase, Wait longer during the clock recovery.
[test]
With the patch, The TGL-machine connect with the external monitor on docking
station(SC) and
can output the video to the external monitor on docking station after
cold/warm boot.
[Regression Potential]
Medium, it may not the root cause.
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/1902861/+subscriptions
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