Twinview: DFP order problem

Perret Yannick yperret at in2p3.fr
Thu Oct 20 00:11:04 PDT 2005


Lonni J Friedman a écrit :

>On 10/19/05, Perret Yannick <yperret at in2p3.fr> wrote:
>  
>
>>Hello,
>>
>>I have a DELL D800 laptop with a 1920x1200
>>display, which works fine.
>>I'm using XOrg (6.8.2), and I want to connect
>>an external display (iiyama ProLite H481S), on
>>my VGA connector.
>>My video card is a GeForce4 Ti 4200 Go AGP 8x.
>>
>>I declared twinview in xorg.conf, with (I think)
>>the needed values, and both screens work fine...
>>but I get the 'gdm' login on the external screen,
>>not the internal.
>>
>>I tryed to permute the order of metamodes, and
>>it changed nothing.
>>I tryed to use ConnectedMonitor to force the
>>order of monitor, but it changed nothing.
>>    
>>
>
>As is expected, as the ConnectedMonitor option is not meant for that purpose.
>
>  
>
>>And the way the mouse can go from one screen
>>to another shows that xorg/nvidia considers my
>>internal screen as the secondary one (the one
>>that is "RightOf" the other).
>>
>>Anybody knows a reason for that?
>>And more important a way to correct that?
>>
>>Here the "screen" section:
>>    Identifier  "Screen 1"
>>    Device      "NVidia"
>>    Monitor     "My Monitor"
>>    DefaultDepth 24
>>
>>    Option        "TwinView"    "true"
>>    Option        "TwinViewOrientation" "LeftOf"
>>    Option        "ConnectedMonitor" "DFP, CRT"
>>    Option        "MetaModes"    "DFP: 1920x1200, CRT: 1280x1024"
>>#    Option        "MetaModes"    "DFP-0: 1920x1200"
>>#    Option        "MetaModes"    "DFP-0: 1920x1200, CRT-0:
>>1280x1024;1440x900,1280x1024;960x600,1280x1024;800x600,1280x1024;1920x1200;1280x1024"
>>    Option        "NoMergedXinerama"    "true"
>>    Option        "EnablePageFlip"    "true"
>>(...)
>>    
>>
>
>So you're saying that changing "LeftOf" to "RightOf" has no effect?
>  
>
It has an effect. But it do not set my internal screen the "default" one.
I mean, if I declare "LeftOf", it is as if my external screen is the 
"center"
and my internal screen is at its left.
Reverse effect with RightOf.

But what I want to obtain is my internal screen at "center" and my external
screen at left (or right).
But XOrg/NVidia always put my external screen at the first place in its list
((II) NVIDIA(0): Connected display device(s): CRT-0, DFP-0, where CRT is
my internal screen).

Any idea?

Regards,
--
Yannick Perret




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