[PATCH 6/6] drm/amdgpu: use LRU mapping policy for SDMA engines

[Andres Rodriguez]

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

Signed-off-by: Andres Rodriguez <andresx7 at gmail.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c
index 5a7c691..e8984df 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c
@@ -241,38 +241,38 @@ int amdgpu_queue_mgr_map(struct amdgpu_device *adev,
 		return -EINVAL;
 	}
 
 	if (ring >= ip_num_rings) {
 		DRM_ERROR("Ring index:%d exceeds maximum:%d for ip:%d\n",
 				ring, ip_num_rings, hw_ip);
 		return -EINVAL;
 	}
 
 	mutex_lock(&mapper->lock);
 
 	*out_ring = amdgpu_get_cached_map(mapper, ring);
 	if (*out_ring) {
 		/* cache hit */
 		r = 0;
 		goto out_unlock;
 	}
 
 	switch (mapper->hw_ip) {
 	case AMDGPU_HW_IP_GFX:
-	case AMDGPU_HW_IP_DMA:
 	case AMDGPU_HW_IP_UVD:
 	case AMDGPU_HW_IP_VCE:
 		r = amdgpu_identity_map(adev, mapper, ring, out_ring);
 		break;
+	case AMDGPU_HW_IP_DMA:
 	case AMDGPU_HW_IP_COMPUTE:
 		r = amdgpu_lru_map(adev, mapper, ring, out_ring);
 		break;
 	default:
 		*out_ring = NULL;
 		r = -EINVAL;
 		DRM_ERROR("unknown HW IP type: %d\n", mapper->hw_ip);
 	}
 
 out_unlock:
 	mutex_unlock(&mapper->lock);
 	return r;
 }
-- 
2.9.3