Public bug reported:
[Impact]
It shows garbages on the display for around 0.5 while doing S3/WB/CB.
[Fix]
The commit in 6.12-rc1 fixes the issue.
fcb3a4fb8255 drm/amd/display: Request 0MHz dispclk for zero display case
[Test]
On AMD platform, reboot it and there is no garbage on the screen while the
display turns off.
[Where problems could occur]
It's reasonable to set dispclk to 0 when context->stream_count is 0. It should
not introduce any regression, because there is no DP video stream.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux-oem-6.11 (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-6.11 (Ubuntu Noble)
Importance: Undecided
Assignee: AceLan Kao (acelankao)
Status: In Progress
** Tags: jira-wtn-273 oem-priority wtn
** Also affects: linux-oem-6.11 (Ubuntu Noble)
Importance: Undecided
Status: New
** Changed in: linux-oem-6.11 (Ubuntu Noble)
Assignee: (unassigned) => AceLan Kao (acelankao)
** Changed in: linux-oem-6.11 (Ubuntu Noble)
Status: New => In Progress
** Tags added: jira-wtn-273 oem-priority wtn
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https://bugs.launchpad.net/bugs/2112292
Title:
Display flash garbage 0.5s when executing S3/WB/CB tests on AMD
platform
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