diff --git a/src/mainboard/clevo/cml-u/Kconfig b/src/mainboard/clevo/cml-u/Kconfig
index 5920506545..39b617fbdd 100644
--- a/src/mainboard/clevo/cml-u/Kconfig
+++ b/src/mainboard/clevo/cml-u/Kconfig
@@ -13,6 +13,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select HAVE_SPD_IN_CBFS
 	select INTEL_GMA_HAVE_VBT
 	select INTEL_LPSS_UART_FOR_CONSOLE
+	select MAINBOARD_HAS_LIBGFXINIT
 	select MAINBOARD_HAS_LPC_TPM
 	select MAINBOARD_HAS_TPM2
 	select NO_UART_ON_SUPERIO
diff --git a/src/mainboard/clevo/cml-u/Makefile.inc b/src/mainboard/clevo/cml-u/Makefile.inc
index b69c257966..213e62f1ee 100644
--- a/src/mainboard/clevo/cml-u/Makefile.inc
+++ b/src/mainboard/clevo/cml-u/Makefile.inc
@@ -6,5 +6,6 @@ bootblock-y += variants/$(VARIANT_DIR)/gpio_early.c
 ramstage-y += ramstage.c
 ramstage-y += variants/$(VARIANT_DIR)/gpio.c
 ramstage-y += variants/$(VARIANT_DIR)/hda_verb.c
+ramstage-$(CONFIG_MAINBOARD_USE_LIBGFXINIT) += variants/$(VARIANT_DIR)/gma-mainboard.ads
 
 subdirs-y += variants/$(VARIANT_DIR)
diff --git a/src/mainboard/clevo/cml-u/variants/l140cu/gma-mainboard.ads b/src/mainboard/clevo/cml-u/variants/l140cu/gma-mainboard.ads
new file mode 100644
index 0000000000..8402b39a94
--- /dev/null
+++ b/src/mainboard/clevo/cml-u/variants/l140cu/gma-mainboard.ads
@@ -0,0 +1,18 @@
+-- SPDX-License-Identifier: GPL-2.0-or-later
+
+with HW.GFX.GMA;
+with HW.GFX.GMA.Display_Probing;
+
+use HW.GFX.GMA;
+use HW.GFX.GMA.Display_Probing;
+
+private package GMA.Mainboard is
+
+   ports : constant Port_List :=
+     (DP1,   -- USB-C
+      HDMI1, -- USB-C
+      HDMI2, -- HDMI
+      eDP,
+      others => Disabled);
+
+end GMA.Mainboard;