diff --git a/common/hw-gfx-gma-config.ads.template b/common/hw-gfx-gma-config.ads.template
index 2bb916a..7d6806a 100644
--- a/common/hw-gfx-gma-config.ads.template
+++ b/common/hw-gfx-gma-config.ads.template
@@ -27,6 +27,8 @@
 
    EDP_Low_Voltage_Swing : constant Boolean := False;
 
+   DDI_HDMI_Buffer_Translation : constant Integer := -1;
+
    Default_MMIO_Base : constant := <<DEFAULT_MMIO_BASE>>;
 
    LVDS_Dual_Threshold : constant := 95_000_000;
@@ -206,6 +208,13 @@
 
    ----------------------------------------------------------------------------
 
+   Default_DDI_HDMI_Buffer_Translation : constant DDI_HDMI_Buf_Trans_Range :=
+     (case CPU is
+         when Broxton   => 8,
+         when others    => 0);
+
+   ----------------------------------------------------------------------------
+
    Default_CDClk_Freq : constant Frequency_Type :=
      (case CPU is
          when Ironlake     |