https://bugzilla.kernel.org/show_bug.cgi?id=203905 --- Comment #30 from Paulo Nascimento (paulo.ulusu@xxxxxxxxxxxxxx) --- laptop: Lenovo Legion 5, amd ryzen 5 4600h Graphics: Device-1: NVIDIA TU116M [GeForce GTX 1660 Ti Mobile] driver: nouveau Device-2: Advanced Micro Devices [AMD/ATI] Renoir driver: amdgpu Kernel: 5.12.0-1-MANJARO x86_64 I have loaded kernel 5.12 and enabled the patch with amdgpu.backlight=0. The brightness controls Fn+F5/F6 works as well as the controls in KDE panel. There are still the error messages at boot and shutdown though. -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.