diff --git a/glamor/glamor.h b/glamor/glamor.h
index a15cdc40f..fc8c152bc 100644
--- a/glamor/glamor.h
+++ b/glamor/glamor.h
@@ -183,6 +183,8 @@ extern _X_EXPORT void glamor_egl_free_screen(int scrnIndex, int flags);
 #endif
 
 extern _X_EXPORT int glamor_create_gc(GCPtr gc);
+
+extern _X_EXPORT void glamor_validate_gc(GCPtr gc, unsigned long changes, DrawablePtr drawable);
 /* Glamor rendering/drawing functions with XXX_nf. 
  * nf means no fallback within glamor internal if possible. If glamor
  * fail to accelerate the operation, glamor will return a false, and the
diff --git a/glamor/glamor_core.c b/glamor/glamor_core.c
index 54e110a37..9a1b770bd 100644
--- a/glamor/glamor_core.c
+++ b/glamor/glamor_core.c
@@ -366,7 +366,7 @@ GCOps glamor_gc_ops = {
  * uxa_validate_gc() sets the ops to glamor's implementations, which may be
  * accelerated or may sync the card and fall back to fb.
  */
-static void
+void
 glamor_validate_gc(GCPtr gc, unsigned long changes, DrawablePtr drawable)
 {
 	/* fbValidateGC will do direct access to pixmaps if the tiling has changed.