Restore change to _DRM_VBLANK_SIGNAL from rev. 1.41, which was reverted

    with the documentation merge.

1 files changed, 1 insertions, 1 deletions

diff --git a/shared/drm.h b/shared/drm.h
index 008a300b..72ea5d3a 100644
--- a/shared/drm.h
+++ b/shared/drm.h
@@ -487,7 +487,7 @@ typedef struct drm_irq_busid {
 typedef enum {
     _DRM_VBLANK_ABSOLUTE = 0x0,		/**< Wait for specific vblank sequence number */
     _DRM_VBLANK_RELATIVE = 0x1,		/**< Wait for given number of vblanks */
-    _DRM_VBLANK_SIGNAL   = 0x80000000	/**< Send signal instead of blocking */
+    _DRM_VBLANK_SIGNAL   = 0x40000000	/**< Send signal instead of blocking */
 } drm_vblank_seq_type_t;