[PATCH 2/2] drm/amdgpu: partial revert VM sync changes

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We still need to add the VM update fences to the root PD.

So make sure to never sync to those implicitely.

Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
index b86392253696..b87ca171986a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
@@ -249,6 +249,11 @@ int amdgpu_sync_resv(struct amdgpu_device *adev, struct amdgpu_sync *sync,
 		    owner != AMDGPU_FENCE_OWNER_UNDEFINED)
 			continue;
 
+		/* Never sync to VM updates either. */
+		if (fence_owner == AMDGPU_FENCE_OWNER_VM &&
+		    owner != AMDGPU_FENCE_OWNER_UNDEFINED)
+			continue;
+
 		/* Ignore fences depending on the sync mode */
 		switch (mode) {
 		case AMDGPU_SYNC_ALWAYS:
-- 
2.17.1

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