[PATCH v2 2/3] amdkfd: Don't rebuild node tree when calling kfd_topology_update_sysfs()

["Mario Limonciello (AMD)" <superm1@kernel.org>]

There is no need to remove all the nodes and rebuild them.  The content
will be the same.  Instead check whether the node was created and skip
the creation.

Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
---
 drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index a0990dd2378c1..b65f29294e2d6 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -650,8 +650,8 @@ static int kfd_build_sysfs_node_entry(struct kfd_topology_device *dev,
 	uint32_t i, num_attrs;
 	struct attribute **attrs;
 
-	if (WARN_ON(dev->kobj_node))
-		return -EEXIST;
+	if (dev->kobj_node)
+		return 0;
 
 	/*
 	 * Creating the sysfs folders
@@ -888,8 +888,6 @@ static int kfd_topology_update_sysfs(void)
 			return ret;
 	}
 
-	kfd_remove_sysfs_node_tree();
-
 	return kfd_build_sysfs_node_tree();
 }
 
-- 
2.43.0