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-rw-r--r--include/hw/display/dpcd.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/hw/display/dpcd.h b/include/hw/display/dpcd.h
index 6880ee36a3..09304dd1f6 100644
--- a/include/hw/display/dpcd.h
+++ b/include/hw/display/dpcd.h
@@ -24,11 +24,13 @@
 
 #ifndef DPCD_H
 #define DPCD_H
+#include "qom/object.h"
 
 typedef struct DPCDState DPCDState;
 
 #define TYPE_DPCD "dpcd"
-#define DPCD(obj) OBJECT_CHECK(DPCDState, (obj), TYPE_DPCD)
+DECLARE_INSTANCE_CHECKER(DPCDState, DPCD,
+                         TYPE_DPCD)
 
 /* DCPD Revision. */
 #define DPCD_REVISION                           0x00