Bug#434028: xserver-xorg-video-intel: Ignores Screen/Display/Modes configuration

[Brice Goglin <Brice.Goglin@ens-lyon.org>]

Matthew Gabeler-Lee wrote:
> Package: xserver-xorg-video-intel
> Version: 2:2.1.0-2
> Severity: normal
>
> Because of limitations in my hardware, I have a Modes section that is
> meant
> to explicitly limit which video modes the i810/intel driver uses. The
> driver detects, and would normally try to use, several video modes that my
> hardware (a slightly dodgy HDTV) does not actually support. The older i810
> driver would dutifully only use the modes I told it to, and so all was
> well.
> The new intel driver apparently ignores my request to only use 1024x768,
> 800x600, and 640x480 modes. It probes working modelines for each of those,
> but still decides to use the 1280x768, 1280x800, or 1152x768 modes,
> depending on how I futz with horiz/vertical refersh rates.

Does it help if you:
* get a ModeLine for your desired resolution/refresh rate with something
like
    gtf 1024 768 78
  and add it to your xorg.conf Monitor section
* add a PreferredMode line to your Monitor section
    Option "PreferredMode" "1024x768_78.00"

(or something like
http://www.tetromino.net/blog/2007/04/25/manual-modesetting-for-xf86-video-intel/)

Brice