drm/amdgpu: use LRU mapping policy for SDMA engines

Spreading the load across multiple SDMA engines can increase memory
transfer performance.

Signed-off-by: Andres Rodriguez <andresx7@gmail.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andres Rodriguez 2017-03-17 14:41:21 -04:00 • committed by Alex Deucher
commit 90c1130953