Using VESA to restore display settings on resume

[Kevin Oberman]

> Date: Thu, 03 Mar 2005 11:34:12 +0100
> From: Jochen Gensch <incmc at gmx.de>
> Sender: owner-freebsd-mobile at freebsd.org
> 
> Rong-En Fan schrieb:
> 
> > I use 3/3's current with this patch on IBM TP X31. I can now successfully 
> > suspend/resume in X with dri enable on RADEON! (can't do that before, with
> > dri, after resume screen mess up). reset_video 0 or 1 both works. It even
> > works without vesa module loaded. The only problem is that my tracepoint
> > (psm0) dead after resume.
> 
> On my Thinkpad A30p I was able to reactivate my trackpoint after resume
> by setting hint.psm.0.flags="0x6000" in /boot/device.hints.
> 
> Could you tell me more about you resume issues? I have a Radeon Mobility
> as well an my backlight does not turn off, when going to suspend nuder a
> normal CURRENT. Did you also use that DPMS patch posted here a while
> ago, or did you only use that vesa patch?
hint.psm.0.flags="0x6000" is probably a bit excessive. Mine does fine
with hint.psm.0.flags="0x2000". The man page suggests trying 2000 first
and 6000 only if 2000 fails.
-- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman at es.net			Phone: +1 510 486-8634