diff --git a/common/ironlake/hw-gfx-gma-connectors.adb b/common/ironlake/hw-gfx-gma-connectors.adb
index 9bb0b68..21eca97 100644
--- a/common/ironlake/hw-gfx-gma-connectors.adb
+++ b/common/ironlake/hw-gfx-gma-connectors.adb
@@ -88,7 +88,7 @@
                elsif Port_Cfg.PCH_Port in PCH_HDMI_Port then
                   PCH.HDMI.On (Port_Cfg, FDI_Port);
                elsif Port_Cfg.PCH_Port in PCH_DP_Port then
-                  PCH.DP.On (Port_Cfg, Success);
+                  PCH.DP.On (Port_Cfg, FDI_Port, Success);
                end if;
             end if;
          end;