It seems that controller_id and use_smooth_brightness are from atombios (vbios?) and hardware itself; especially atombios (vbios?) are responsible for many VGA settings and it's a black box.
Good news is that kernel 5.7 will include some backlight enhancement (https://www.phoronix.com/scan.php?page=news_item&px=AMDGPU-OLED- Display-Backlight). We can give it a try later. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861925 Title: BrightnessOutofRange: Actual brightness for amdgpu_bl0 not in range 0..255 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861925/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
