[Xorg] Getting GATOS branch created on Xorg

[Jon Smirl]

There is already code in X for coordinating video memory usage with
DRM. The DRM memory manager keeps 2D X from stomping on 3D buffers.
Same mechansim can be used to protect the video streaming memory.

Several other cards use kernel based v4l drivers, why is the radeon
special?

--- Vladimir Dergachev <volodya at mindspring.com> wrote:

> 
> 
> On Thu, 19 Aug 2004, Jon Smirl wrote:
> 
> > Why not add v4l support to the DRM device driver and ignore the X
> > driver?
> 
> Because you would not be able to run X then. You do not want your 
> offscreen pixmaps overwritten with video data on a random basis.
> 
> The only way this can work is if the video memory allocator is
> accessible 
> from video-in code.
> 


=====
Jon Smirl
jonsmirl at yahoo.com


		
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