Public bug reported: [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://lkml.org/lkml/2020/11/19/1564 [Test] Verified on Dell's platform with this panel. [Where problems could occur] Only if this panel uses PWM mode only, and doesn't support DPCD backlight. ** Affects: linux (Ubuntu) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux-oem-5.6 (Ubuntu) Importance: Undecided Status: Invalid ** Affects: linux (Ubuntu Focal) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux-oem-5.6 (Ubuntu Focal) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux (Ubuntu Groovy) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux (Ubuntu Hirsute) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Also affects: linux-oem-5.6 (Ubuntu) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Hirsute) Importance: Undecided Status: New ** Also affects: linux-oem-5.6 (Ubuntu Hirsute) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Groovy) Importance: Undecided Status: New ** Also affects: linux-oem-5.6 (Ubuntu Groovy) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Focal) Importance: Undecided Status: New ** Also affects: linux-oem-5.6 (Ubuntu Focal) Importance: Undecided Status: New ** No longer affects: linux-oem-5.6 (Ubuntu Groovy) ** No longer affects: linux-oem-5.6 (Ubuntu Hirsute) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1905663 Title: Add dpcd backlight control for 0x4c83 0x4f41 Status in linux package in Ubuntu: In Progress Status in linux-oem-5.6 package in Ubuntu: Invalid Status in linux source package in Focal: In Progress Status in linux-oem-5.6 source package in Focal: In Progress Status in linux source package in Groovy: In Progress Status in linux source package in Hirsute: In Progress 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://lkml.org/lkml/2020/11/19/1564 [Test] Verified on Dell's platform with this panel. [Where problems could occur] Only if this panel uses PWM mode only, and doesn't support DPCD backlight. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1905663/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
