[Intel-gfx] Dual-display support with 945G/GZ and ADD2-R adapter ?

[Teemu Tuominen]

Teemu Tuominen wrote:
> Jin, Gordon wrote:
>   
>> Teemu Tuominen wrote on Thursday, May 07, 2009 8:30 PM:
>>   
>>     
>>> Hi,
>>>
>>> Is dual-display configuration currently possible with IBM ThinkCentre
>>> 8113V1Q using ADD2-R dvi extension card ?
>>>     
>>>       
>> Yes. If you want clone display, just startx without xorg.conf should be working. If you want extended desktop, please refer to http://intellinuxgraphics.org/dualhead.html. If you still have problem, please file a bug with log attached according to http://intellinuxgraphics.org/how_to_report_bug.html.
>>
>> Gordon
>> _______________________________________________
>> Intel-gfx mailing list
>> Intel-gfx at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>>   
>>     
> Thanks for answering,
> I have tried e.g. following extended desktop configuration
>   
>> Section "Monitor"
>> Identifier "Samsung940n_1"
>> Option "DPMS"
>> EndSection
>>
>> Section "Monitor"
>> Identifier "Samsung940n_2"
>> Option "DPMS"
>> Option "Position" "1280 0"
>> EndSection
>>
>> Section "Device"
>> Identifier "Intel"
>> Driver "intel"
>> Option "monitor-VGA" "Samsung940n_1"
>> Option "monitor-TMDS-1" "Samsung940n_2"
>> EndSection
>>
>> Section "Screen"
>> Identifier "Screen 0"
>> Device "Intel"
>> Monitor "Samsung940n_1"
>> DefaultDepth 24
>> SubSection "Display"
>> Depth 24
>> Modes "1280x1024" "1024x768" "800x600" "640x480"
>> Virtual 2560 1024
>> EndSubSection
>> EndSection
>>     
> xrandr -q shows exotic resolutions and If I run it sequentially it 
> sometimes shows TMDS-1 connected and segfaults as if it would not stay 
> enabled. Enable/true option seems not affect.
>   
>> Screen 0: minimum 320 x 200, current 2304 x 768, maximum 2560 x 1024
>> VGA connected 1024x768+0+0 (normal left inverted right x axis y axis) 
>> 376mm x 301mm
>> 1280x1024 60.0 + 75.0 59.9
>> 1280x960 59.9
>> 1152x864 75.0 74.8
>> 1024x768 75.1 70.1 60.0*
>> 832x624 74.6
>> 800x600 72.2 75.0 60.3 56.2
>> 640x480 75.0 72.8 66.7 60.0
>> 720x400 70.1
>> TMDS-1 disconnected 1024x768+1280+0 (normal left inverted right x axis 
>> y axis) 0mm x 0mm
>>     
>
> ?
>
> -Teemu
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>   
getting any closer ?

I added manual modelines and preferred option to monitor sections  -- 
and I now get
 
> # xranrd -q
> Screen 0: minimum 320 x 200, current 2560 x 1024, maximum 2560 x 1024
> VGA connected 1280x1024+0+0 (normal left inverted right x axis y axis) 
> 376mm x 301mm
>    1280x1024_60   60.0*+
>    1280x1024      60.0     75.0     59.9 
>    1280x960       59.9 
>    1152x864       75.0     74.8 
>    1024x768       75.1     70.1     60.0 
>    832x624        74.6 
>    800x600        72.2     75.0     60.3     56.2 
>    640x480        75.0     72.8     66.7     60.0 
>    720x400        70.1 
> TMDS-1 connected 1280x1024+1280+0 (normal left inverted right x axis y 
> axis) 0mm x 0mm
>    1280x1024_60   60.0*+
>    1024x768       60.0 
>    800x600        60.3 
>    640x480        59.9  
but monitor stays idle.
 

-Teemu