diff --git a/common/hw-gfx-gma-display_probing.ads b/common/hw-gfx-gma-display_probing.ads
index 5dcdbd4..9c59652 100644
--- a/common/hw-gfx-gma-display_probing.ads
+++ b/common/hw-gfx-gma-display_probing.ads
@@ -17,10 +17,13 @@
 package HW.GFX.GMA.Display_Probing
 is
 
-   type Port_List_Range is range 0 .. 8;
+   type Port_List_Range is range 0 .. 20;
    type Port_List is array (Port_List_Range) of Port_Type;
    All_Ports : constant Port_List :=
-     (DP1, DP2, DP3, HDMI1, HDMI2, HDMI3, Analog, LVDS, eDP);
+     (DP1, DP2, DP3, DP_TC1, DP_TC2, DP_TC3, DP_TC4,
+      HDMI1, HDMI2, HDMI3, HDMI_TC1, HDMI_TC2, HDMI_TC3, HDMI_TC4,
+      USBC1, USBC2, USBC3, USBC4,
+      Analog, LVDS, eDP);
 
    procedure Read_EDID
      (Raw_EDID :    out EDID.Raw_EDID_Data;