winex11.drv: Use UpdateDisplayDevices driver entry point for registering devices.

dlls/winex11.drv/Makefile.in

 MODULE    = winex11.drv
-IMPORTS   = uuid setupapi rpcrt4 user32 gdi32 advapi32
+IMPORTS   = uuid setupapi rpcrt4 user32 gdi32 advapi32 win32u
 DELAYIMPORTS = comctl32 ole32 shell32 imm32
 EXTRAINCL = $(X_CFLAGS)
 EXTRALIBS = $(X_LIBS) $(X_EXTRA_LIBS)

dlls/winex11.drv/init.c

@@ -401,6 +401,7 @@ static const struct user_driver_funcs x11drv_funcs =
     .pClipCursor = X11DRV_ClipCursor,
     .pChangeDisplaySettingsEx = X11DRV_ChangeDisplaySettingsEx,
     .pEnumDisplaySettingsEx = X11DRV_EnumDisplaySettingsEx,
+    .pUpdateDisplayDevices = X11DRV_UpdateDisplayDevices,
     .pCreateDesktopWindow = X11DRV_CreateDesktopWindow,
     .pCreateWindow = X11DRV_CreateWindow,
     .pDestroyWindow = X11DRV_DestroyWindow,

dlls/winex11.drv/x11drv.h

@@ -209,6 +209,8 @@ extern LONG CDECL X11DRV_ChangeDisplaySettingsEx( LPCWSTR devname, LPDEVMODEW de
                                                   HWND hwnd, DWORD flags, LPVOID lpvoid ) DECLSPEC_HIDDEN;
 extern BOOL CDECL X11DRV_EnumDisplaySettingsEx( LPCWSTR name, DWORD n, LPDEVMODEW devmode,
                                                 DWORD flags ) DECLSPEC_HIDDEN;
+extern void CDECL X11DRV_UpdateDisplayDevices( const struct gdi_device_manager *device_manager,
+                                               BOOL force, void *param ) DECLSPEC_HIDDEN;
 extern BOOL CDECL X11DRV_CreateDesktopWindow( HWND hwnd ) DECLSPEC_HIDDEN;
 extern BOOL CDECL X11DRV_CreateWindow( HWND hwnd ) DECLSPEC_HIDDEN;
 extern void CDECL X11DRV_DestroyWindow( HWND hwnd ) DECLSPEC_HIDDEN;

dlls/winex11.drv/x11drv_main.c

@@ -631,8 +631,8 @@ static BOOL process_attach(void)
     X11DRV_InitKeyboard( gdi_display );
     if (use_xim) use_xim = X11DRV_InitXIM( input_style );
 
-    X11DRV_DisplayDevices_Init(FALSE);
     init_user_driver();
+    X11DRV_DisplayDevices_Init(FALSE);
     return TRUE;
 }