The Impact Of Radeon DRM On Linux 3.3, DRM-Next

Written by Michael Larabel in Display Drivers on 19 March 2012. Page 4 of 4. 10 Comments
Radeon DRM Linux 3.3 Performance
Radeon DRM Linux 3.3 Performance

World of Padman is also seeing strange behavior for the Radeon HD 6950 Cayman where its performance effectively drops off a cliff using the Linux 3.3 kernel and newer.

Radeon DRM Linux 3.3 Performance

For the Radeon HD 5770 with the newer DRM in the kernel, there is not much change, but at least the Radeon HD 6950 is faster.

It seems that for at least the Cayman GPUs on the very latest Linux kernels, there may be some unaddressed problems. Stay tuned for more benchmarks with an updated look at 2D color tiling and other areas.

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Michael Larabel

Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via