[Bug 12490] ati radeon r100 driver fails to load on freebsd 6.2 stable

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=12490





------- Comment #20 from agd5f at yahoo.com  2007-10-03 21:58 PST -------
(In reply to comment #18)

> Ok, I will try that. I'm simply surprised that a section like
> 
> Section "Screen"
>         Identifier "Screen0"
>         Device     "Videocard0"
>         DefaultDepth     24
>         SubSection "Display"
>                 Viewport   0 0
>                 Depth     24
>                 Modes     "1400x1050"
>         EndSubSection
> EndSection
> 
> doesn't work anymore. All this EDID/xrandr magic is certainly great but when
> the user decides to overrule this autodetection stuff [following standard
> xorg.conf conventions], one would expect his choices to be honoured.

thus is the price of progress.  In the randr world the xorg.conf changes a bit
as the screen section no longer maps to a single monitor.  While on a card like
yours with a single crtc and output it's easy to wonder why the mode listed
there doesn't get added, but consider a card with a local LVDS panel, a DVI
port, a VGA port, and a TV out port.  Which output should be mode get added to?
 all of them?  what if your laptop panel only supports 1024x768?  Also when you
say 1400x1050 what mode exactly do you mean 1400x1050 at 60Hz?  1400x10505 at 85Hz?
72Hz?  With randr you can assign hardcoded/overridden monitor sections to each
output, e.g.,

Section "Device"
        Identifier      "My Radeon"
        Driver          "ati"
        Option          "Monitor-VGA-0" "My Monitor"
EndSection

Section "Monitor"
        Identifier      "My Monitor"
        ...
EndSection

within the monitor section you can specify new modelines you want to use as
well as specify the orientation of the monitor in relation to the other
monitors driven by the same card (in the case of dualhead cards). 
Unfortunately, I think  there are still some issues to be worked out with this
method in the xserver.  See this page for more:
http://www.intellinuxgraphics.org/dualhead.html


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