drm: unexport drm_global_mutex
Drivers really, really have no business even looking at this lock. And
thankfully they don't.
So unexport it and move the declaration to drm_internal.h.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/drm_lock.c b/drivers/gpu/drm/drm_lock.c
index 727b032..f861361 100644
--- a/drivers/gpu/drm/drm_lock.c
+++ b/drivers/gpu/drm/drm_lock.c
@@ -36,6 +36,7 @@
#include <linux/export.h>
#include <drm/drmP.h>
#include "drm_legacy.h"
+#include "drm_internal.h"
static int drm_notifier(void *priv);