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AMDGPU vs. Radeon Kernel Driver Performance On Linux 5.0 For AMD GCN 1.0/1.1 GPUs

Dota 2 with OpenGL had a more profound advantage when switching over to the AMDGPU driver for the GCN 1.0 GPUs.

Dawn of War III and HITMAN also had slightly better performance opting for the AMDGPU kernel driver.

Even the older ioquake3-based OpenArena game benefited from using the AMDGPU kernel driver while keeping to Mesa 19.1-devel in user-space.