On Die, 2002-12-10 at 18:14, Steven Newbury wrote: 
> I have got DRI running with Dual Screens with DRI working on display 
> :0.0 and Indirect rendering on :0.1.
> 
> If I attempt to enable DRI on the second screen if fails to open 
> /dev/dri/card0 because it is busy.  It is ready used for the first 
> screen.  On failing to access the device DRI is then disabled, however 
> since it already succefully enabled DRI, the driver gets confused later.
> 
> Is there any mechanism that can be implemented to share the device 
> between both screens?  

No, the DRM would have to register one device per screen.

> I am not looking to get Xinerama working at the moment (leave that for later).

That would be much more complex and difficult, and I suspect traditional
dualhead with a shared device is about the same.

The most straightforward way for a shared device would probably be to
(ab)use the CloneDisplay stuff to emulate two separate screens.


-- 
Earthling Michel D�nzer (MrCooper)/ Debian GNU/Linux (powerpc) developer
XFree86 and DRI project member   /  CS student, Free Software enthusiast


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