diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn201/dcn201_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn201/dcn201_hwseq.c
index 6be846635a7987dc90ce8eedca4d3385955cc4c1..59f46df0155118ca52347552b5c7347e1a8cec09 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn201/dcn201_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn201/dcn201_hwseq.c
@@ -95,8 +95,11 @@ static bool gpu_addr_to_uma(struct dce_hwseq *hwseq,
 	} else if (hwseq->fb_offset.quad_part <= addr->quad_part &&
 			addr->quad_part <= hwseq->uma_top.quad_part) {
 		is_in_uma = true;
+	} else if (addr->quad_part == 0) {
+		is_in_uma = false;
 	} else {
 		is_in_uma = false;
+		BREAK_TO_DEBUGGER();
 	}
 	return is_in_uma;
 }