Ubuntu
nvidia-graphics-drivers-384 package

  1. Bug #1720438
  2. Comment #24

Comment 24 for bug 1720438

Revision history for this message
Alexey (alexey-muranov) wrote :

I've found this forum thread:

https://forums.developer.nvidia.com/t/solus-nvidia-gtx-1070-brightness-control-not-working/54472

If I understand correctly, the OP resolved his issue by setting the kernel boot parameter

    nvidia.NVreg_EnableBacklightHandler=1

This did not solve the issue for me, however.