diff --git a/src/gallium/winsys/r600/drm/r600_priv.h b/src/gallium/winsys/r600/drm/r600_priv.h
index 27bdf2b..f8363f9 100644
--- a/src/gallium/winsys/r600/drm/r600_priv.h
+++ b/src/gallium/winsys/r600/drm/r600_priv.h
@@ -64,6 +64,7 @@
 
 #define REG_FLAG_NEED_BO 1
 #define REG_FLAG_DIRTY_ALWAYS 2
+#define REG_FLAG_RV6XX_SBU 4
 
 struct r600_reg {
 	unsigned			opcode;