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Message-ID: <20101216190207.GC6767@lba0869738> Date: Thu, 16 Dec 2010 13:02:08 -0600 From: David Sin <davidsin@...com> To: Arnd Bergmann <arnd@...db.de> Cc: linux-arm-kernel@...ts.infradead.org, dri-devel@...ts.freedesktop.org, Greg KH <greg@...ah.com>, Russell King <rmk@....linux.org.uk>, Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org Subject: Re: [PATCH 0/9] TI DMM-TILER driver 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-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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