diff --git a/src/soc/mediatek/common/include/soc/display.h b/src/soc/mediatek/common/include/soc/display.h
index a874412aff..fdcfcfdef2 100644
--- a/src/soc/mediatek/common/include/soc/display.h
+++ b/src/soc/mediatek/common/include/soc/display.h
@@ -33,5 +33,6 @@ int mtk_display_init(void);
 
 void mtk_ddp_init(void);
 void mtk_ddp_mode_set(const struct edid *edid, enum disp_path_sel path);
+void mtk_ddp_ovlsys_start(uintptr_t fb_addr);
 
 #endif
diff --git a/src/soc/mediatek/mt8196/ddp.c b/src/soc/mediatek/mt8196/ddp.c
index 9453622a6e..6e57e78301 100644
--- a/src/soc/mediatek/mt8196/ddp.c
+++ b/src/soc/mediatek/mt8196/ddp.c
@@ -310,3 +310,11 @@ void mtk_ddp_mode_set(const struct edid *edid, enum disp_path_sel path)
 	main_disp_path_setup(width, height, vrefresh, path);
 	ovlsys_layer_config(fmt, bpp, width, height);
 }
+
+void mtk_ddp_ovlsys_start(uintptr_t fb_addr)
+{
+	write32(&exdma2_reg->ovl_addr, fb_addr);
+	setbits32(&exdma2_reg->ovl_en, BIT(0));
+	setbits32(&exdma2_reg->ovl_l_en, BIT(0));
+	setbits32(&blenders[0]->bld_l_en, BIT(0));
+}