[PATCH 4/5] drm/amdgpu: simplify and fix amdgpu_sync_resv

[Christian König]

No matter what we always need to sync to moves.

Signed-off-by: Christian König <christian.koenig at amd.com>
Tested-by: Tom St Denis <tom.stdenis at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
index c124f64e7aae..9f42032676da 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
@@ -232,10 +232,19 @@ int amdgpu_sync_resv(struct amdgpu_device *adev, struct amdgpu_sync *sync,
 
 		f = rcu_dereference_protected(flist->shared[i],
 					      dma_resv_held(resv));
+
+		fence_owner = amdgpu_sync_get_owner(f);
+
+		/* Always sync to moves, no matter what */
+		if (fence_owner == AMDGPU_FENCE_OWNER_UNDEFINED) {
+			r = amdgpu_sync_fence(sync, f, false);
+			if (r)
+				break;
+		}
+
 		/* We only want to trigger KFD eviction fences on
 		 * evict or move jobs. Skip KFD fences otherwise.
 		 */
-		fence_owner = amdgpu_sync_get_owner(f);
 		if (fence_owner == AMDGPU_FENCE_OWNER_KFD &&
 		    owner != AMDGPU_FENCE_OWNER_UNDEFINED)
 			continue;
@@ -265,9 +274,7 @@ int amdgpu_sync_resv(struct amdgpu_device *adev, struct amdgpu_sync *sync,
 			break;
 
 		case AMDGPU_SYNC_EXPLICIT:
-			if (owner != AMDGPU_FENCE_OWNER_UNDEFINED)
-				continue;
-			break;
+			continue;
 		}
 
 		r = amdgpu_sync_fence(sync, f, false);
-- 
2.17.1