diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
index ef69898d2cc5..d056e5fd5458 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
@@ -203,12 +203,12 @@ enum dcn35_clk_src_array_id {
 	NBIO_BASE_INNER(seg)
 
 #define NBIO_SR(reg_name)\
-	REG_STRUCT.reg_name = NBIO_BASE(regBIF_BX2_ ## reg_name ## _BASE_IDX) + \
-				regBIF_BX2_ ## reg_name
+	REG_STRUCT.reg_name = NBIO_BASE(regBIF_BX1_ ## reg_name ## _BASE_IDX) + \
+				regBIF_BX1_ ## reg_name
 
 #define NBIO_SR_ARR(reg_name, id)\
-	REG_STRUCT[id].reg_name = NBIO_BASE(regBIF_BX2_ ## reg_name ## _BASE_IDX) + \
-		regBIF_BX2_ ## reg_name
+	REG_STRUCT[id].reg_name = NBIO_BASE(regBIF_BX1_ ## reg_name ## _BASE_IDX) + \
+		regBIF_BX1_ ## reg_name
 
 #define bios_regs_init() \
 		( \