[Mesa-dev] [PATCH 10/10] gallium/radeon: don't use the DMA ring for pipelined buffer uploads

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Some R9 390 results:

Tomb Raider (normal settings): 80 -> 88 FPS
Talos Principle (custom settings): 23 -> 56 FPS
Metro Last Light Redux (default benchmark settings): 39 -> 40 FPS