Subject: Re: how to turn off display? (wsdisplay0 at vesafb0)
To: Jared D. McNeill <>
From: Jeremy C. Reed <>
List: tech-kern
Date: 08/01/2006 09:16:33
> ``options VESAFB_PM'' in your kernel will enable the WSDISPLAYIO_SVIDEO and
> WSDISPLAYIO_GVIDEO ioctl implementations, which wsfb(4) should use when it
> decides to blank the display.
> It currently defaults to 'standby' mode; you will need to modify vesafb.c (see
> vesafb_svideo) if you want to attempt another mode that your video BIOS
> supports -- possible values are 'standby', 'suspend', 'off', and 'reduced_on'.
> YMMV, as I've seen certain systems simply reset when I attempt to call the
> video PM BIOS function.

Thanks for the info.

Where should this be documented? I didn't see any vesafb manual page.