The ATI R600/700 DDX & Mesa Now Have Tiling In Place
Written by Michael Larabel in AMD on 05 August 2010 at 08:32 PM EDT. Add A Comment
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Now that the Linux 2.6.36 kernel is set to ATI R600/700 tiling support within the Radeon DRM code, patches for hooking into this tiling support have been committed to the xf86-video-ati DDX and the classic Mesa DRI R600 drivers.

The tiling support on the 3D side landed in the classic Mesa R600 driver over a number of commits with this commit providing a bulk of the needed 1D/2D tiling work. The commit for taking advantage of tiling in the ATI X.Org driver can be found here, but 1D (micro) tiling is currently the default where as 2D tiling is supposed to be more beneficial.

Of course, in order to take advantage of this Mesa and DDX tiling support for the ATI Radeon HD 2000/3000/4000 series graphics cards you will need to be using the Linux 2.6.36 kernel or a kernel that has the back-ported Radeon DRM code. The Radeon DRM code in the 2.6.36 kernel also has R300/500 Hyper-Z support, R600 thermal sensor readings, amd other new features.
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Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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