diff --git a/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h b/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h
index 159b2c519f2be7225f3349b87b49c8920bef69f3..dbc8424f7b69f6432a1aac5392b0ffd7dee943e8 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h
@@ -84,7 +84,7 @@
 
 #define REG_SET_5(reg, init_value, f1, v1, f2, v2, f3, v3, f4, v4,	\
 		f5, v5)	\
-		REG_SET_N(reg, 6, init_value, \
+		REG_SET_N(reg, 5, init_value, \
 				FN(reg, f1), v1,\
 				FN(reg, f2), v2,\
 				FN(reg, f3), v3,\