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

[Jin, Gordon]

Teemu Tuominen wrote on Thursday, May 14, 2009 4:17 PM:
> Teemu Tuominen wrote:
>> 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
>> _______________________________________________
>> Intel-gfx mailing list
>> Intel-gfx at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>> 
> Hi again,
> 
> Updated Thinkcentre bios, compiled latest xserver and intel-gfx.
> 
> now I seem to get more log from what is happening with ADD2-R
> connected monitor... It seems to leave in DDC detection loop taking
> full cpu. I think this is why xrandr shows occasionally "TMDS-1
> disconnected". 
>> (II) intel(0): EDID vendor "SAM", prod id 481
>> (II) intel(0): I2C device "SDVOB DDC Bus:ddc2" registered at address
>> 0xA0. (II) intel(0): I2C device "SDVOB DDC Bus:ddc2" removed.
>> (II) intel(0): EDID vendor "SAM", prod id 481
>> (II) intel(0): Using hsync ranges from config file
>> (II) intel(0): Using vrefresh ranges from config file
>> (II) intel(0): Printing DDC gathered Modelines:
>> ....
> Any clue what is causing this ?
> 
> could it be due the kernel version, i'm running 2.6.29 ?

Kernel 2.6.29 should be fine. Please file a bug with log (with ModeDebug enabled) attached according to http://intellinuxgraphics.org/how_to_report_bug.html, so we'll make sure someone follow up your issue.

Gordon