On Fri, 29 Oct 2021, Riza Dindir wrote:
In the source file "sbin/wsconsctl/display.c" there are options for the backlight and the brightness that could be used with wsconsctl. So it might be applicable in theory. If that would be possible, I could change the brightness of my laptop screen as well.
Those don't work yet on amd64+DRM, unfortunately... -RVP