Add dpcd backlight control for 0x4c83 0x4f41
Bug #1905663 reported by
AceLan Kao
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
HWE Next |
Fix Released
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Fix Released
|
Medium
|
AceLan Kao | ||
Focal |
Fix Released
|
Medium
|
AceLan Kao | ||
Groovy |
Fix Released
|
Medium
|
AceLan Kao | ||
Hirsute |
Fix Released
|
Medium
|
AceLan Kao | ||
linux-oem-5.10 (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Focal |
Fix Released
|
Undecided
|
Unassigned | ||
linux-oem-5.6 (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Focal |
Fix Released
|
Undecided
|
AceLan Kao |
Bug Description
[Impact]
There is a new OLED panel that is required to be listed in the EDID quirk to make its backlight work.
[Fix]
The commit adds its EDID to the quirk.
https:/
[Test]
Verified on Dell's platform with this panel.
[Where problems could occur]
Only if this panel switches to use PWM mode only, and doesn't support DPCD backlight.
CVE References
no longer affects: | linux-oem-5.6 (Ubuntu Groovy) |
no longer affects: | linux-oem-5.6 (Ubuntu Hirsute) |
description: | updated |
Changed in linux (Ubuntu Focal): | |
status: | New → In Progress |
Changed in linux (Ubuntu Groovy): | |
status: | New → In Progress |
Changed in linux (Ubuntu Hirsute): | |
status: | New → In Progress |
Changed in linux-oem-5.6 (Ubuntu Focal): | |
status: | New → In Progress |
Changed in linux (Ubuntu Focal): | |
assignee: | nobody → AceLan Kao (acelankao) |
Changed in linux (Ubuntu Groovy): | |
assignee: | nobody → AceLan Kao (acelankao) |
Changed in linux (Ubuntu Hirsute): | |
assignee: | nobody → AceLan Kao (acelankao) |
Changed in linux-oem-5.6 (Ubuntu Focal): | |
assignee: | nobody → AceLan Kao (acelankao) |
Changed in linux-oem-5.6 (Ubuntu): | |
status: | New → Invalid |
tags: | added: oem-priority originate-from-1902471 somerville |
description: | updated |
Changed in linux (Ubuntu Focal): | |
importance: | Undecided → Medium |
Changed in linux (Ubuntu Groovy): | |
importance: | Undecided → Medium |
Changed in linux (Ubuntu Hirsute): | |
importance: | Undecided → Medium |
Changed in linux-oem-5.6 (Ubuntu Focal): | |
status: | In Progress → Fix Committed |
Changed in linux (Ubuntu Focal): | |
status: | In Progress → Fix Committed |
Changed in linux (Ubuntu Groovy): | |
status: | In Progress → Fix Committed |
tags: |
added: verification-done-focal removed: verification-needed-focal |
Changed in linux-oem-5.10 (Ubuntu Focal): | |
status: | New → Fix Committed |
Changed in linux-oem-5.10 (Ubuntu): | |
status: | New → Invalid |
Changed in hwe-next: | |
status: | New → Fix Released |
To post a comment you must log in.
This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification- needed- focal' to 'verification- done-focal' . If the problem still exists, change the tag 'verification- needed- focal' to 'verification- failed- focal'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.
See https:/ /wiki.ubuntu. com/Testing/ EnableProposed for documentation how to enable and use -proposed. Thank you!