855GM vga out 1680x1050 does not work (i810 driver)

[Eric Anholt]

On Thu, 2006-11-09 at 12:22 +0100, Tero Laitinen wrote:
> Tero Laitinen wrote:
> 
> > Eric Anholt wrote:
> >
> >> On Mon, 2006-11-06 at 20:11 +0100, Tero Laitinen wrote:
> >>  
> >>
> >>> As Windows drivers can make it work, I am sure that it is possible  
> >>> :) .
> >>> I wanted to try Intel's drivers but the git repository was down at the
> >>> moment:
> >>>
> >>> $ git-clone git://anongit.freedesktop.org/git/mesa/drm
> >>> fatal: unable to connect a socket (Connection refused)
> >>>   
> >>
> >>
> >> I just cloned that repository, so it appears to be a problem with your
> >> network connection, since I haven't heard any other complaints about
> >> anongit being down..
> >>
> >>  
> >>
> > You were right. It seems that I am behind a very restrictive firewall. 
> > Tunneling git traffic through SSH did the trick and I got the newest 
> > i810 driver compiled.
> >
> > I could not get it working, though. There might be some configuration 
> > issues or something else. The config file I use is at 
> > http://www.iki.fi/tol/xorg.conf.txt  and the log file is at 
> > http://www.iki.fi/tol/xorg-modesetting-log.txt

They don't seem to match.  The log has:
(**) I810(0): Option "ddc" "FALSE"
while the xorg.conf doesn't.

The lack of DDC is what's killing you here.  Also, you should remove the
multiple monitors and devices, hard-coded sync/refresh, monitor layout,
display info and device presence options, and extra serverlayout stuff
if you're going to be doing the modesetting branch.  It'll at best do
nothing, at least for now.

> > The log contains following errors:
> >
> > (EE) I810(0): detecting sil164
> > (EE) I810(0): Unable to read from DVOI2C_E Slave 112.
> > (EE) I810(0): detecting ch7xxx
> > (EE) I810(0): Unable to read from DVOI2C_E Slave 236.
> > (EE) I810(0): DDC Analog 0, 00005010
> > (EE) I810(0): DDC LVDS 1, 00005018
> > (EE) I810(0): DDC DVO 2, 0000501C
> > (EE) I810(0): Modeline "1024x768x60"x60.0   63.34  1024 1072 1176 
> > 1328  768 769 772 795 (47.7 kHz)
> > (EE) I810(0): Modeline "1024x768x60"x60.0   63.34  1024 1072 1176 
> > 1328  768 769 772 795 (47.7 kHz)
> > (EE) I810(1): detecting sil164
> > (EE) I810(1): Unable to read from DVOI2C_E Slave 112.
> > (EE) I810(1): detecting ch7xxx
> > (EE) I810(1): Unable to read from DVOI2C_E Slave 236.
> > (EE) I810(1): DDC Analog 0, 00005010
> > (EE) I810(1): DDC LVDS 1, 00005018
> > (EE) I810(1): DDC DVO 2, 0000501C
> >
> > Fatal server error:
> > No modes found on either pipe
> >
> > Also, this warning is interesting.
> >
> > (WW) I810(1): Mode 1680x1050 is out of range.
> >
> > ddcprobe seems to report all modes correctly 
> > (http://www.iki.fi/tol/ddc.txt)
> >
> If the dualscreen support is not working yet, is there a way to use only 
> VGA out as primary screen and disable local screen?

Not at the moment -- we've temporarily removed support for that while
working on RandR 1.2.  My hope is that with RandR 1.2, we won't need it
to be config time, and people will be happy with using tools on their
desktop (or command line apps) to turn off outputs they don't like.

-- 
Eric Anholt                             anholt at FreeBSD.org
eric at anholt.net                         eric.anholt at intel.com
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