> ``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.