[PATCH 0/9] TI DMM-TILER driver

2010-12-22 Thread David Sin
On Fri, Dec 17, 2010 at 09:28:07AM +1000, Dave Airlie wrote: > On Fri, Dec 17, 2010 at 5:02 AM, David Sin wrote: > I get the impression with the ARM graphics, that you just have a lot > of separate drivers for separate IP blocks all providing some misc > random interfaces to userspace where some b

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

2010-12-22 Thread David Sin
On Fri, Dec 17, 2010 at 09:28:07AM +1000, Dave Airlie wrote: > On Fri, Dec 17, 2010 at 5:02 AM, David Sin wrote: > I get the impression with the ARM graphics, that you just have a lot > of separate drivers for separate IP blocks all providing some misc > random interfaces to userspace where some b

[PATCH 0/9] TI DMM-TILER driver

2010-12-17 Thread Dave Airlie
On Fri, Dec 17, 2010 at 5:02 AM, David Sin wrote: > 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 betwe

[PATCH 0/9] TI DMM-TILER driver

2010-12-16 Thread Arnd Bergmann
On Thursday 16 December 2010 18:37:38 David Sin wrote: > I'm not sure exactly how DRM/GEM works.. What functionality do you think is > overlapping? The main feature, aside from reduced page accesses, of the DMM > hw block is to provide physically contiguous 2 dimensional memory blocks for > im

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

2010-12-16 Thread Dave Airlie
On Fri, Dec 17, 2010 at 5:02 AM, David Sin wrote: > 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 betwe

[PATCH 0/9] TI DMM-TILER driver

2010-12-16 Thread Arnd Bergmann
On Monday 06 December 2010, David Sin wrote: > Tiling and Isometric Lightweight Engine for Rotation (TILER) driver > = > > Dynamic Memory Manager (DMM) is a hardware block made by Texas Instruments. > Within the DMM exists at least one TILER hardware component. Its purpose is > to > organize

[PATCH 0/9] TI DMM-TILER driver

2010-12-16 Thread 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

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

2010-12-16 Thread 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

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

2010-12-16 Thread David Sin
On Thu, Dec 16, 2010 at 11:25:31AM -0600, David Sin wrote: > On Thu, Dec 16, 2010 at 02:34:05PM +0100, Arnd Bergmann wrote: > > On Monday 06 December 2010, David Sin wrote: > > > Tiling and Isometric Lightweight Engine for Rotation (TILER) driver > > > = > > > > > > Dynamic Memory Manager (DMM

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

2010-12-16 Thread David Sin
On Thu, Dec 16, 2010 at 02:34:05PM +0100, Arnd Bergmann wrote: > On Monday 06 December 2010, David Sin wrote: > > Tiling and Isometric Lightweight Engine for Rotation (TILER) driver > > = > > > > Dynamic Memory Manager (DMM) is a hardware block made by Texas Instruments. > > Within the DMM exi

[PATCH 0/9] TI DMM-TILER driver

2010-12-16 Thread David Sin
On Thu, Dec 16, 2010 at 11:25:31AM -0600, David Sin wrote: > On Thu, Dec 16, 2010 at 02:34:05PM +0100, Arnd Bergmann wrote: > > On Monday 06 December 2010, David Sin wrote: > > > Tiling and Isometric Lightweight Engine for Rotation (TILER) driver > > > = > > > > > > Dynamic Memory Manager (DMM

[PATCH 0/9] TI DMM-TILER driver

2010-12-16 Thread David Sin
On Thu, Dec 16, 2010 at 02:34:05PM +0100, Arnd Bergmann wrote: > On Monday 06 December 2010, David Sin wrote: > > Tiling and Isometric Lightweight Engine for Rotation (TILER) driver > > = > > > > Dynamic Memory Manager (DMM) is a hardware block made by Texas Instruments. > > Within the DMM exi

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

2010-12-16 Thread Arnd Bergmann
On Thursday 16 December 2010 18:37:38 David Sin wrote: > I'm not sure exactly how DRM/GEM works.. What functionality do you think is > overlapping? The main feature, aside from reduced page accesses, of the DMM > hw block is to provide physically contiguous 2 dimensional memory blocks for > im

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

2010-12-16 Thread Arnd Bergmann
On Monday 06 December 2010, David Sin wrote: > Tiling and Isometric Lightweight Engine for Rotation (TILER) driver > = > > Dynamic Memory Manager (DMM) is a hardware block made by Texas Instruments. > Within the DMM exists at least one TILER hardware component. Its purpose is > to > organize