1 files changed, 6 insertions, 2 deletions

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 62c40777c009..4c31a2cc5a33 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -686,9 +686,13 @@ struct drm_pending_vblank_event {
 struct drm_vblank_crtc {
         struct drm_device *dev;         /* pointer to the drm_device */
         wait_queue_head_t queue;        /**< VBLANK wait queue */
-        struct timeval time[DRM_VBLANKTIME_RBSIZE];     /**< timestamp of current count */
         struct timer_list disable_timer;                /* delayed disable timer */
-        atomic_t count;                 /**< number of VBLANK interrupts */
+
+        /* vblank counter, protected by dev->vblank_time_lock for writes */
+        unsigned long count;
+        /* vblank timestamps, protected by dev->vblank_time_lock for writes */
+        struct timeval time[DRM_VBLANKTIME_RBSIZE];
+
         atomic_t refcount;              /* number of users of vblank interruptsper crtc */
         u32 last;                       /* protected by dev->vbl_lock, used */
                                         /* for wraparound handling */