Re: [PATCH 0/9] TI DMM-TILER driver

[David Sin]

On Thu, Dec 16, 2010 at 06:43:48PM +0100, Arnd Bergmann wrote:
> As far as I can tell, both DMM and GEM at a high level manage objects
> in video memory. The IOMMU that you have on the Omap hardware seems
> to resemble the GART that sits between PC-style video cards and main
> memory.
> 
> I don't know any details, but google quickly finds
> http://lwn.net/Articles/283798/ with a description of the
> initial GEM design. My main thought when looking over the
> DMM code was that this should not be tied too closely to a
> specific hardware, and GEM seems to be an existing abstraction
> that may fit what you need.
> 
> 	Arnd
Thanks for the pointer, Arnd.  I also found a nice readme file in 
the gpu/drm directory, which points to a wiki and source code.  
I'll read into this and get back to you.

BR,
-- 
David Sin
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