diff --git a/common/skylake/Makefile.inc b/common/skylake/Makefile.inc
index 2dec2ef..36e4e0d 100644
--- a/common/skylake/Makefile.inc
+++ b/common/skylake/Makefile.inc
@@ -1,3 +1,4 @@
+gfxinit-y += hw-gfx-gma-ddi_phy.ads
 gfxinit-y += hw-gfx-gma-plls-dpll.adb
 gfxinit-y += hw-gfx-gma-plls-dpll.ads
 gfxinit-y += hw-gfx-gma-plls-dpll_0.adb
diff --git a/common/skylake/hw-gfx-gma-ddi_phy.ads b/common/skylake/hw-gfx-gma-ddi_phy.ads
new file mode 100644
index 0000000..cd0226e
--- /dev/null
+++ b/common/skylake/hw-gfx-gma-ddi_phy.ads
@@ -0,0 +1,17 @@
+--
+-- Copyright (C) 2017 secunet Security Networks AG
+--
+-- 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.DDI_Phy_Stub;
+
+private package HW.GFX.GMA.DDI_Phy renames HW.GFX.GMA.DDI_Phy_Stub;