** Description changed: Several HP platforms have a design change that eDP is connected to DP1 instead of DP0. Because of this amdgpu needs a quirk to know to find eDP on DP1. https://github.com/torvalds/linux/commit/139e99d58e373bd11f085766e681d21d34d0b097 https://github.com/torvalds/linux/commit/1c5fdef30ed120613e769a3bd2a144cfd4c688d6 Without these quirks the brightness can not be adjusted and display will be lost after S0i3. + + Already backported to v6.14.4, v6.12.25
** Description changed: Several HP platforms have a design change that eDP is connected to DP1 instead of DP0. Because of this amdgpu needs a quirk to know to find eDP on DP1. https://github.com/torvalds/linux/commit/139e99d58e373bd11f085766e681d21d34d0b097 https://github.com/torvalds/linux/commit/1c5fdef30ed120613e769a3bd2a144cfd4c688d6 Without these quirks the brightness can not be adjusted and display will be lost after S0i3. - Already backported to v6.14.4, v6.12.25 + Already backported to v6.14.4, v6.12.25, and the corresponding generic + kernel versions are 6.14.0-17.17. linux/oracular version 6.11.0-26.26 + has v6.12.18, and the latest HEAD has v6.12.23 so far. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2106926 Title: Quirks for HP AMD platforms To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-oem-6.14/+bug/2106926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs