Re: [arch-general] Nvidia backlight control - acpi_video0/brightness changes - display doesn't?

On 11/19/2016 03:09 AM, David C. Rankin wrote:

I'll go search to see if I can find the difference, but if you have a favorite link, I'd appreciate the help.

Got it. xrandr is software rendered darkening of pixel - no hardware control involved. Thanks. -- David C. Rankin, J.D.,P.E.