diff --git a/src/add-ons/accelerants/radeon_hd/accelerant.h b/src/add-ons/accelerants/radeon_hd/accelerant.h
index 51294a16ac..1f40ea832c 100644
--- a/src/add-ons/accelerants/radeon_hd/accelerant.h
+++ b/src/add-ons/accelerants/radeon_hd/accelerant.h
@@ -132,6 +132,7 @@ struct encoder_info {
 	uint16		objectID;
 	uint32		type;
 	uint32		flags;
+	uint32		linkEnumeration; // ex. linkb == GRAPH_OBJECT_ENUM_ID2
 	bool		isExternal;
 	bool		isDPBridge;
 	bool		isHDMI;
diff --git a/src/add-ons/accelerants/radeon_hd/connector.cpp b/src/add-ons/accelerants/radeon_hd/connector.cpp
index 2dcdbcb9c8..ca968af8d7 100644
--- a/src/add-ons/accelerants/radeon_hd/connector.cpp
+++ b/src/add-ons/accelerants/radeon_hd/connector.cpp
@@ -891,6 +891,9 @@ connector_probe()
 								= encoderID;
 							gConnector[connectorIndex]->encoder.type
 								= encoderType;
+							gConnector[connectorIndex]->encoder.linkEnumeration
+								= (encoderObjectRaw & ENUM_ID_MASK)
+									>> ENUM_ID_SHIFT;
 							gConnector[connectorIndex]->encoder.isExternal
 								= encoder_is_external(encoderID);
 							gConnector[connectorIndex]->encoder.isDPBridge