[SOLVED] Re: xorg virtual / panning question

psmith psmith at fedoraproject.org
Sat Apr 11 15:05:28 UTC 2009


Craig White wrote:
> On Fri, 2009-04-10 at 19:01 +0100, Sharpe, Sam J wrote:
>   
>> 2009/4/10 Craig White <craigwhite at azapple.com>:
>>     
>>> On Fri, 2009-04-10 at 16:43 +0100, Sharpe, Sam J wrote:
>>>       
>>>> 2009/4/10 Sharpe, Sam J <sam.sharpe+lists.redhat at gmail.com>:
>>>>         
>>>>> 2009/4/10 Craig White <craigwhite at azapple.com>:
>>>>>           
>>>>>> I am getting no traction on xorg mail list - perhaps I cannot ask in a
>>>>>> way that makes them answer but the idea is...
>>>>>>
>>>>>> Fedora 11 Beta (xrandr 1.3 - yeah!)
>>>>>>
>>>>>> If I manually execute the command...
>>>>>> xrandr --output LVDS1 --mode 1024x600 --panning 1280x1024
>>>>>>
>>>>>> I sort of get what I want...well, the background is tiled but my tiny
>>>>>> 1024x600 screen becomes usable with panning and I can't understand why I
>>>>>> can't achieve this simply with xorg.conf.
>>>>>>
>>>>>> Can anyone see what changes I need to make?
>>>>>>             
>>>>> <snip>
>>>>>
>>>>> I know very little about this but I was keeping an eye on it for my eeePC 701.
>>>>>
>>>>> The changelog for Xorg 1.5.99 says:
>>>>>
>>>>> Matthias Hopf (5):
>>>>>      randr: Add monitor option "Panning" for initial panning configuration
>>>>>
>>>>> So that says to me that somewhere in your Xorg.conf Monitor section
>>>>> you should have a Panning keyword - which you don't have.
>>>>>
>>>>> Looks like you'll have to dig around in Google though as I haven't
>>>>> seen any easy source of information about it,
>>>>>           
>>>> Or you could look at the code:
>>>> http://cgit.freedesktop.org/xorg/xserver/commit/?h=panning-for-server-1.6&id=44b89dc0a5aa23df69539754fb76c67c310530db
>>>>
>>>> Looks to me like:
>>>>
>>>> Section "Monitor"
>>>> <snip>
>>>>      Panning       1280x1024
>>>> EndSection
>>>>
>>>> might do it...
>>>>         
>>> ----
>>> death - death I say...
>>>
>>> Parse error on line 44 of section Monitor in file /etc/X11/xorg.conf
>>>        "Panning" is not a valid keyword in this section.
>>>       
>> Have you tried:
>>
>> Option "Panning" "1280x1024"
>>
>> If you download the src.rpm for Xorg in F11b, Panning is definitely in
>> hw/xfree86/modes/xf86Crtc.c ... so it /should/ work...
>>     
> ----
> Victory!
>
> I now have virtual scrolling/panning on my 1024x600 screen to 1280x1024
> whether or not an external display is connected to the VGA port.
>
> thanks Sam - you inspired me to keep trying.
>
> Turned out that it finally did work but what made it work was adding
> back the second Monitor and Screen sections so I could have both my LVDS
> and VGA screens and I gather that the larger size of the VGA is what
> made it all work.
>
> I have put this info on the Acer Aspire One page on Fedora Wiki for
> anyone who is interested and it should provide a really good guide for
> Sam's Asus eepro (obviously adjust for the built-in video and external
> VGA display).
>
> Link here...
> https://fedoraproject.org/wiki/Acer_Aspire_One#xorg.conf
>
> Oh - this is with Fedora-11-Beta (and current updates) because I believe
> the xserver 1.6 and xrandr 1.3 versions are needed to make it work.
>
> Craig
>
>
>   
nice work craig!, good to see you finally got it working 8-)

phil




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