** Also affects: linux-oem-6.8 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Noble)
Importance: Undecided
Status: New
** Also affects: linux-oem-6.8 (Ubuntu Noble)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: New
** Also affects: linux-oem-6.8 (Ubuntu Jammy)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Jammy)
Status: New => Invalid
** Changed in: linux (Ubuntu Noble)
Status: New => In Progress
** Changed in: linux-oem-6.8 (Ubuntu Jammy)
Status: New => In Progress
** Changed in: linux-oem-6.8 (Ubuntu Noble)
Status: New => Invalid
** Changed in: linux (Ubuntu)
Status: New => In Progress
** Changed in: hwe-next
Assignee: (unassigned) => AaronMa (mapengyu)
** Changed in: hwe-next
Status: New => In Progress
** Changed in: linux-oem-6.8 (Ubuntu)
Status: New => In Progress
** Description changed:
[Impact]
After resume from suspend, the mini-DP output from ASPEED BMC card
is either blank or mess up.
[Fix]
- From upstream 6.11 kernel, a fix of the blank screen after resume and
- the patchset refactors the CRTC's mode-setting code:
+ From upstream 6.11 kernel,
+
+ 1, a fix of the blank screen after resume:
+ 12c35c5582acb drm/ast: Fix black screen after resume
+
+ 2, DP detection fix:
+ 0ce91928ec62d drm/ast: astdp: Wake up during connector status detection
+
+ 3, the patchset refactors the CRTC's mode-setting code:
https://lore.kernel.org/all/20240627153638.8765-1-tzimmerm...@suse.de/
[Test]
Tested on hardware by vendor for 10 times of suspend and resume.
The screen is OK.
[Where problems could occur]
It may break ASPEED drm support.
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https://bugs.launchpad.net/bugs/2083022
Title:
[SRU] Fix AST DP output after resume
Status in HWE Next:
In Progress
Status in linux package in Ubuntu:
In Progress
Status in linux-oem-6.8 package in Ubuntu:
In Progress
Status in linux source package in Jammy:
Invalid
Status in linux-oem-6.8 source package in Jammy:
In Progress
Status in linux source package in Noble:
In Progress
Status in linux-oem-6.8 source package in Noble:
Invalid
Bug description:
[Impact]
After resume from suspend, the mini-DP output from ASPEED BMC card
is either blank or mess up.
[Fix]
From upstream 6.11 kernel,
1, a fix of the blank screen after resume:
12c35c5582acb drm/ast: Fix black screen after resume
2, DP detection fix:
0ce91928ec62d drm/ast: astdp: Wake up during connector status detection
3, the patchset refactors the CRTC's mode-setting code:
https://lore.kernel.org/all/20240627153638.8765-1-tzimmerm...@suse.de/
[Test]
Tested on hardware by vendor for 10 times of suspend and resume.
The screen is OK.
[Where problems could occur]
It may break ASPEED drm support.
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/2083022/+subscriptions
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