Phoronix: Radeon Gallium3D Tiling Turned Back On For "CIK" GPUs

AMD disabled tiling support by default recently for their newer GCN-based graphics cards on the open-source AMD Linux driver. Fortunately, that performance-boosting feature has been turned back on now for the latest Radeon graphics cards under the assumption you are running Mesa 10.1...

http://www.phoronix.com/vr.php?view=MTYyNjc