[PATCH 2/2] drm/amdgpu: use LRU mapping policy for SDMA engines
Andres Rodriguez
andresx7 at gmail.com
Mon Mar 27 22:36:07 UTC 2017
Spreading the load across multiple SDMA engines can increase memory
transfer performance.
Signed-off-by: Andres Rodriguez <andresx7 at gmail.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 c6275b4..eb91b9b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c
@@ -251,25 +251,25 @@ int amdgpu_queue_mgr_map(struct amdgpu_device *adev,
*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:
--
2.9.3
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