diff --git a/drivers/gpu/drm/amd/display/dc/dml2_0/display_mode_core.c b/drivers/gpu/drm/amd/display/dc/dml2_0/display_mode_core.c
index 09303c282495..8e8935995fca 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2_0/display_mode_core.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2_0/display_mode_core.c
@@ -4089,8 +4089,8 @@ static void CalculateSwathAndDETConfiguration(struct display_mode_lib_scratch_st
 	dml_uint_t MaximumSwathHeightC[__DML_NUM_PLANES__];
 	dml_uint_t RoundedUpMaxSwathSizeBytesY[__DML_NUM_PLANES__];
 	dml_uint_t RoundedUpMaxSwathSizeBytesC[__DML_NUM_PLANES__];
-	dml_uint_t RoundedUpSwathSizeBytesY[__DML_NUM_PLANES__];
-	dml_uint_t RoundedUpSwathSizeBytesC[__DML_NUM_PLANES__];
+	dml_uint_t RoundedUpSwathSizeBytesY[__DML_NUM_PLANES__] = { 0 };
+	dml_uint_t RoundedUpSwathSizeBytesC[__DML_NUM_PLANES__] = { 0 };
 	dml_uint_t SwathWidthSingleDPP[__DML_NUM_PLANES__];
 	dml_uint_t SwathWidthSingleDPPChroma[__DML_NUM_PLANES__];