I can confirm the same issue on ThinkPad P14s Gen 5 with: - Laptop: Lenovo ThinkPad, Meteor Lake platform, hybrid Intel/NVIDIA - iGPU: Intel Meteor Lake-P [Intel Arc Graphics], PCI ID 8086:7d55, driver in use: i915 - dGPU: NVIDIA AD107GLM [RTX 500 Ada Generation Laptop GPU] - OS: Ubuntu 26.04 (resolute) - Backlight device: /sys/class/backlight/intel_backlight, type = raw - Display server: Wayland / GNOME
as per https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2162908 The kernel parameter workaround works for me as well. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2161826 Title: i915 DPCD backlight bug on Broadwell (ThinkPad T450s): black screen after suspend + broken brightness, fixed by i915.enable_dpcd_backlight=0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2161826/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
