I have the same problem. My system config is:
Lenovo X1 extreme NVIDIA 1050 Ti max Q Ubuntu 20.04 kernel 5.8.0-36-generic
Brightness control works on Nvidia 450 driver and not on Nvidia 460.
I have the same problem. My system config is:
Lenovo X1 extreme
NVIDIA 1050 Ti max Q
Ubuntu 20.04
kernel 5.8.0-36-generic
Brightness control works on Nvidia 450 driver and not on Nvidia 460.