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 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
