Bug#432553: xserver-xorg-video-intel: Outputs seems to be shifted up by 1/2 pixel on DVI monitor

[Gregor Jasny <gjasny@web.de>]

Note: The upper and the lower lines seem to be ok. In the middle of the
screen the text seems to be worst. It's like someone scaled the picture
by one pixel.

According to git-bisect the following commit is respsonsible for the
breakage:

e2e301348b4168aeed38b3fdc6b0e43d5678a86 is first bad commit
commit 1e2e301348b4168aeed38b3fdc6b0e43d5678a86
Author: Keith Packard <keithp@dulcimer.keithp.com>
Date:   Sat Jun 30 12:45:24 2007 -0700

 Fix load detection to use border region instead of blanking.

 Make sure there is some border area to use by changing how the pipe is
 configured, then pick a scanline in the middle of the border for load
 detection. This lets the load detect code use an active pipe instead of
 requiring an idle one.

I'm CC-ing Keith: Short summary for you:
Mac Mini with 945GM chipset,
Pure EFI sytem. The Video BIOS is loaded by a hacked elilo.

Regards,
Gregor