diff --git a/common/broxton/hw-gfx-gma-power_and_clocks.ads b/common/broxton/hw-gfx-gma-power_and_clocks.ads
index 36b145c..d881075 100644
--- a/common/broxton/hw-gfx-gma-power_and_clocks.ads
+++ b/common/broxton/hw-gfx-gma-power_and_clocks.ads
@@ -32,6 +32,7 @@
    procedure Enable_CDClk;
 
    procedure Power_Set_To (Configs : Pipe_Configs);
+   procedure Power_Up (Port : Active_Port_Type; Success : out Boolean);
    procedure Power_Up (Old_Configs, New_Configs : Pipe_Configs);
    procedure Power_Down (Old_Configs, Tmp_Configs, New_Configs : Pipe_Configs);