diff --git a/reactos/drivers/video/videoprt/videoprt.c b/reactos/drivers/video/videoprt/videoprt.c
index b9d0f59a997..7b0e93b0a95 100644
--- a/reactos/drivers/video/videoprt/videoprt.c
+++ b/reactos/drivers/video/videoprt/videoprt.c
@@ -1221,3 +1221,13 @@ VideoPortReleaseDeviceLock(
    ASSERT(Status == 0);
 }
 
+/*
+ * @unimplemented
+ */
+
+VOID STDCALL
+VpNotifyEaData(
+   IN PDEVICE_OBJECT DeviceObject,
+   IN PVOID Data)
+{
+}
diff --git a/reactos/drivers/video/videoprt/videoprt.def b/reactos/drivers/video/videoprt/videoprt.def
index 28f3e14619b..ec406de5642 100644
--- a/reactos/drivers/video/videoprt/videoprt.def
+++ b/reactos/drivers/video/videoprt/videoprt.def
@@ -116,4 +116,4 @@ VideoPortWriteRegisterBufferUshort@12=NTOSKRNL.WRITE_REGISTER_BUFFER_USHORT
 VideoPortWriteRegisterBufferUlong@12=NTOSKRNL.WRITE_REGISTER_BUFFER_ULONG
 VideoPortZeroMemory@8=NTOSKRNL.RtlZeroMemory
 VideoPortZeroDeviceMemory@8=NTOSKRNL.RtlZeroMemory
-;VpNotifyEaData
+VpNotifyEaData@8