Subject: Re: how to turn off display? (wsdisplay0 at vesafb0)
To: Steven M. Bellovin <>
From: Jeremy C. Reed <>
List: tech-kern
Date: 08/01/2006 09:19:35
On Tue, 1 Aug 2006, Steven M. Bellovin wrote:

> > Can someone point me to a tool or code for turning off a display or 
> > powering down a laptop screen?
> > 
> > I am using NetBSD/i386 3.99.21 with:
> >   wsdisplay0 at vesafb0 kbdmux 1: console (fb, vt100 emulation)
> > 
> > And Xorg's wsfb(4) driver.
> > 
> You didn't say what sort of laptop you have; on my Thinkpad (with
> -current and xorg), 
> 	xset dpms force off
> does it.

I don't know what is involved with getting DPMS support included with the 
wsfb X driver. I don't know if a generic "wsdisplay0 at vesafb0" knows 
anything about Display Power Management Signaling.

Does it make since to add DPMS support to the X11 wsfb (the wsdisplay 
framebuffer) driver?