https://bugzilla.kernel.org/show_bug.cgi?id=203905
Paulo Nascimento (paulo.ulusu@googlemail.com) changed:
What |Removed |Added ---------------------------------------------------------------------------- CC| |paulo.ulusu@googlemail.com
--- Comment #21 from Paulo Nascimento (paulo.ulusu@googlemail.com) --- I confirm that the bug is not fixed in kenel 5.11-rc3
max brightness: [pn@pn-legion backlight]$ cat /sys/class/backlight/amdgpu_bl1/actual_brightness 311 [pn@pn-legion backlight]$ cat /sys/class/backlight/amdgpu_bl1/brightness 255 [pn@pn-legion backlight]$ cat /sys/class/backlight/amdgpu_bl1/max_brightness 255
min brightness: [pn@pn-legion backlight]$ cat /sys/class/backlight/amdgpu_bl1/actual_brightness 311 [pn@pn-legion backlight]$ cat /sys/class/backlight/amdgpu_bl1/brightness 0 [pn@pn-legion backlight]$ cat /sys/class/backlight/amdgpu_bl1/max_brightness 255
My laptop has an amd ryzen 5 4600h with renoir igpu and nvidia dgpu. Tests are done with renoir igpu:
[pn@pn-legion backlight]$ inxi -G Graphics: Device-1: NVIDIA TU116M [GeForce GTX 1660 Ti Mobile] driver: nouveau v: kernel Device-2: Advanced Micro Devices [AMD/ATI] Renoir driver: amdgpu v: kernel Device-3: Chicony Integrated Camera type: USB driver: uvcvideo Display: x11 server: X.Org 1.20.10 driver: loaded: amdgpu,ati,modesetting,nouveau resolution: 1920x1080~120Hz OpenGL: renderer: AMD RENOIR (DRM 3.40.0 5.11.0-1-MANJARO LLVM 11.0.1) v: 4.6 Mesa 20.3.3