[PATCH] i810: Add workaround for bad BIOS mode on Fujitsu laptops

[Eric Anholt]

On Sat, 2007-02-10 at 12:23 +0100, Tobias Knieper wrote:
> Hello,
> i believe i have a similar problem. Running the xf86-video-intel modesetting 
> branch works fine for my external display at 1680x1050. Thanks so far!
> 
> But my internal display does no longer work. I'm using a Fujitsu Siemens Amilo 
> M7400 Notebook. (82852/855GM)
> 
> I fetched the recent driver by doing:
> git-clone git://gitweb.freedesktop.org/git/xorg/driver/xf86-video-intel
> cd xf86-video-intel
> git checkout modesetting
> git-pull -s ours

Not sure what you were trying to achieve with that git-pull -s ours
there.

> Important lines of Xorg.0.log:
> (II) intel(0): Found panel mode in BIOS VBT tables:
> (II) intel(0): Modeline "54x0"x0.0  348.40  54 310 1108 54  0 51 105 0 (6451.9 
> kHz)
> [,..]
> (II) intel(0): Setting screen physical size to 347 x 260
> 
> If you need further information, let me know. Thanks a lot for the great work,
> Tobias Knieper

I didn't see a patch attached, despite the subject of the message.

The current code will hopefully avoid the BIOS VBT tables and give you a
decent mode.  However, if you have a patch to fix up the table reading
on your laptop when that's the case, that would still be useful as we do
fall back to the VBT when we have no other source of panel mode
information.

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