randr: unexport and document RRCrtcExists()

Not used by any external drivers, so no need to keep it exported.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>

present/present_scmd.c

@@ -21,6 +21,8 @@
  */
 #include <dix-config.h>
 
+#include "randr/randrstr_priv.h"
+
 #include "present_priv.h"
 #include <misync.h>
 #include <misyncstr.h>

randr/randrstr.h

@@ -554,11 +554,6 @@ RRSetCurrentConfig(ScreenPtr pScreen,
  */
 extern _X_EXPORT RRCrtcPtr RRCrtcCreate(ScreenPtr pScreen, void *devPrivate);
 
-/*
- * Tests if findCrtc belongs to pScreen or secondary screens
- */
-extern _X_EXPORT Bool RRCrtcExists(ScreenPtr pScreen, RRCrtcPtr findCrtc);
-
 /*
  * Set the allowed rotations on a CRTC
  */

randr/randrstr_priv.h

@@ -167,4 +167,13 @@ Bool RROutputSetNonDesktop(RROutputPtr output, Bool non_desktop);
  */
 CARD16 RRVerticalRefresh(xRRModeInfo * mode);
 
+/*
+ * Tests if findCrtc belongs to pScreen or secondary screens
+ *
+ * @param pScreen the screen to check on
+ * @param findCrtc the Crtc to check for
+ * @return TRUE if given CRTC belongs to pScreen / secondard screens
+ */
+Bool RRCrtcExists(ScreenPtr pScreen, RRCrtcPtr findCrtc);
+
 #endif /* _XSERVER_RANDRSTR_PRIV_H_ */