From: David Sin <davidsin@ti.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arm-kernel@lists.infradead.org,
dri-devel@lists.freedesktop.org, Greg KH <greg@kroah.com>,
Russell King <rmk@arm.linux.org.uk>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org
Subject: Re: [PATCH 0/9] TI DMM-TILER driver
Date: Thu, 16 Dec 2010 13:02:08 -0600 [thread overview]
Message-ID: <20101216190207.GC6767@lba0869738> (raw)
In-Reply-To: <201012161843.48262.arnd@arndb.de>
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
WARNING: multiple messages have this Message-ID (diff)
From: davidsin@ti.com (David Sin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/9] TI DMM-TILER driver
Date: Thu, 16 Dec 2010 13:02:08 -0600 [thread overview]
Message-ID: <20101216190207.GC6767@lba0869738> (raw)
In-Reply-To: <201012161843.48262.arnd@arndb.de>
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
next prev parent reply other threads:[~2010-12-16 19:02 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-06 22:27 [PATCH 0/9] TI DMM-TILER driver David Sin
2010-12-06 22:27 ` David Sin
2010-12-06 22:27 ` David Sin
2010-12-06 22:27 ` [PATCH 1/9] TILER-DMM: DMM-PAT driver for TI TILER David Sin
2010-12-06 22:27 ` David Sin
2010-12-06 22:27 ` David Sin
2010-12-06 22:27 ` [PATCH 2/9] TILER-DMM: Container manager interface and utility definitons David Sin
2010-12-06 22:27 ` David Sin
2010-12-06 22:27 ` David Sin
2010-12-06 22:27 ` [PATCH 3/9] TILER-DMM: Sample TCM implementation: Simple TILER Allocator (SiTA) David Sin
2010-12-06 22:27 ` David Sin
2010-12-06 22:27 ` David Sin
2010-12-06 22:27 ` [PATCH 4/9] TILER-DMM: TILER Memory Manager interface and implementation David Sin
2010-12-06 22:27 ` David Sin
2010-12-06 22:27 ` David Sin
2010-12-06 22:27 ` [PATCH 5/9] TILER-DMM: TILER interface file and documentation David Sin
2010-12-06 22:27 ` David Sin
2010-12-06 22:27 ` David Sin
2010-12-06 22:27 ` [PATCH 6/9] TILER-DMM: Geometry and view manipulation functions David Sin
2010-12-06 22:27 ` David Sin
2010-12-06 22:27 ` David Sin
2010-12-06 22:27 ` [PATCH 7/9] TILER-DMM: Main TILER driver implementation David Sin
2010-12-06 22:27 ` David Sin
2010-12-06 22:27 ` David Sin
2010-12-06 23:21 ` Tony Lindgren
2010-12-06 23:21 ` Tony Lindgren
2010-12-13 17:32 ` David Sin
2010-12-13 17:32 ` David Sin
2010-12-06 22:27 ` [PATCH 8/9] TILER-DMM: Linking TILER driver into the Linux kernel build David Sin
2010-12-06 22:27 ` David Sin
2010-12-06 22:27 ` David Sin
2010-12-06 22:27 ` [PATCH 9/9] TILER-DMM: Device support for OMAP David Sin
2010-12-06 22:27 ` David Sin
2010-12-06 22:27 ` David Sin
2010-12-16 13:34 ` [PATCH 0/9] TI DMM-TILER driver Arnd Bergmann
2010-12-16 13:34 ` Arnd Bergmann
2010-12-16 13:34 ` Arnd Bergmann
2010-12-16 17:25 ` David Sin
2010-12-16 17:25 ` David Sin
2010-12-16 17:37 ` David Sin
2010-12-16 17:37 ` David Sin
2010-12-16 17:43 ` Arnd Bergmann
2010-12-16 17:43 ` Arnd Bergmann
2010-12-16 19:02 ` David Sin [this message]
2010-12-16 19:02 ` David Sin
2010-12-16 23:28 ` Dave Airlie
2010-12-16 23:28 ` Dave Airlie
2010-12-22 14:33 ` David Sin
2010-12-22 14:33 ` David Sin
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