diff --git a/common/tigerlake/hw-gfx-gma-port_detect.adb b/common/tigerlake/hw-gfx-gma-port_detect.adb
new file mode 100644
index 0000000..a0bad14
--- /dev/null
+++ b/common/tigerlake/hw-gfx-gma-port_detect.adb
@@ -0,0 +1,47 @@
+--
+-- Copyright (C) Google, LLC
+--
+-- This program is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+
+with HW.GFX.GMA.Config;
+with HW.GFX.GMA.Registers;
+with HW.GFX.GMA.Config_Helpers;
+
+with HW.Debug;
+with GNAT.Source_Info;
+
+package body HW.GFX.GMA.Port_Detect
+is
+   procedure Initialize is
+   begin
+      pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity));
+   end Initialize;
+
+   pragma Warnings (Off, "unused variable ""Port""",
+                    Reason => "Not yet implemented.");
+   procedure Hotplug_Detect
+     (Port     : in Active_Port_Type;
+      Detected : out Boolean)
+   is
+   begin
+      pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity));
+      Detected := False;
+   end Hotplug_Detect;
+   pragma Warnings (On, "unused variable ""Port""");
+
+   procedure Clear_Hotplug_Detect (Port : Active_Port_Type)
+   is
+   begin
+      pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity));
+   end Clear_Hotplug_Detect;
+
+end HW.GFX.GMA.Port_Detect;