Fix No Screen after login to Desktop on sku with 3840x2400 panel
Bug #1954728 reported by
koba
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
HWE Next |
Fix Released
|
Undecided
|
Unassigned | ||
OEM Priority Project |
Fix Released
|
Critical
|
Unassigned | ||
linux (Ubuntu) |
Invalid
|
Undecided
|
koba | ||
Focal |
Invalid
|
Undecided
|
Unassigned | ||
Jammy |
Invalid
|
Undecided
|
koba | ||
linux-oem-5.14 (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Focal |
Fix Released
|
Undecided
|
koba | ||
Jammy |
Invalid
|
Undecided
|
Unassigned |
Bug Description
[Impact]
Got kernel report CPU pipe A FIFO underrun: soft,transcoder
kernel: i915 0000:00:02.0: [drm] *ERROR* CPU pipe A FIFO underrun: soft,transcoder,
[Fix]
Fix has been landed on linux-next, 4fe7907f3775(
Defeature the underrun feature for intel display gen13+.
[Test Case]
1. change resolution to 3840x2400
2. monitor works well and doesn't black out.
[Where problems could occur]
low
Changed in linux (Ubuntu Jammy): | |
assignee: | nobody → koba (kobako) |
status: | New → In Progress |
Changed in linux-oem-5.14 (Ubuntu Focal): | |
assignee: | nobody → koba (kobako) |
status: | New → In Progress |
description: | updated |
tags: | added: oem-priority originate-from-1947298 somerville |
description: | updated |
tags: | added: originate-from-1952194 |
Changed in oem-priority: | |
importance: | Undecided → Critical |
status: | New → In Progress |
Changed in linux-oem-5.14 (Ubuntu Focal): | |
status: | In Progress → Fix Committed |
Changed in hwe-next: | |
status: | New → Fix Released |
Changed in oem-priority: | |
status: | In Progress → Fix Released |
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Ref: https:/ /gitlab. freedesktop. org/drm/ intel/- /issues/ 4332