[PATCH] drm/radeon: improve sa allocator for multi ring load balancing

From: Jerome Glisse This add a per ring allocation management and load balance the chunk of the temp buffer between each ring. A ring that often fail to find a hole or worse have to wait for previous fence will have more chance to grow over other ring. This ring is properly CPU starve in a sense.

[PATCH] drm/radeon: improve sa allocator for multi ring load balancing

From: Jerome Glisse This add a per ring allocation management and load balance the chunk of the temp buffer between each ring. A ring that often fail to find a hole or worse have to wait for previous fence will have more chance to grow over other ring. This ring is properly CPU starve in a sense.