diff --git a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/bounding_boxes/dcn42b_soc_bb.h b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/bounding_boxes/dcn42b_soc_bb.h
index 0f8666788bbb..e83a9ac018db 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/bounding_boxes/dcn42b_soc_bb.h
+++ b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/bounding_boxes/dcn42b_soc_bb.h
@@ -202,7 +202,7 @@ static const struct dml2_soc_bb dml2_socbb_dcn42b = {
 	.xtalclk_mhz = 24,
 	.pcie_refclk_mhz = 100,
 	.dchub_refclk_mhz = 50,
-	.mall_allocated_for_dcn_mbytes = 64,
+	.mall_allocated_for_dcn_mbytes = 0,
 	.max_outstanding_reqs = 256,
 	.fabric_datapath_to_dcn_data_return_bytes = 32,
 	.return_bus_width_bytes = 64,