diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 2d11b49..6917515 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -707,11 +707,12 @@ static int i915_gem_request_info(struct seq_file *m, void *data)
 			task = NULL;
 			if (req->pid)
 				task = pid_task(req->pid, PIDTYPE_PID);
-			seq_printf(m, "    %x @ %d: %s [%d]\n",
+			seq_printf(m, "    %x @ %d: %s [%d], fence = %x:%x\n",
 				   req->seqno,
 				   (int) (jiffies - req->emitted_jiffies),
 				   task ? task->comm : "<unknown>",
-				   task ? task->pid : -1);
+				   task ? task->pid : -1,
+				   req->fence.context, req->fence.seqno);
 			rcu_read_unlock();
 		}
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index d1e6e58..e5f49f3 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -54,6 +54,7 @@
 #include <linux/pm_qos.h>
 #include "intel_guc.h"
 #include "intel_dpll_mgr.h"
+#include <linux/fence.h>
 
 /* General customization:
  */
@@ -2242,7 +2243,17 @@ void i915_gem_track_fb(struct drm_i915_gem_object *old,
  * initial reference taken using kref_init
  */
 struct drm_i915_gem_request {
-	struct kref ref;
+	/**
+	 * Underlying object for implementing the signal/wait stuff.
+	 * NB: Never call fence_later() or return this fence object to user
+	 * land! Due to lazy allocation, scheduler re-ordering, pre-emption,
+	 * etc., there is no guarantee at all about the validity or
+	 * sequentiality of the fence's seqno! It is also unsafe to let
+	 * anything outside of the i915 driver get hold of the fence object
+	 * as the clean up when decrementing the reference count requires
+	 * holding the driver mutex lock.
+	 */
+	struct fence fence;
 
 	/** On Which ring this request was generated */
 	struct drm_i915_private *i915;
@@ -2328,7 +2339,13 @@ struct drm_i915_gem_request * __must_check
 i915_gem_request_alloc(struct intel_engine_cs *engine,
 		       struct intel_context *ctx);
 void i915_gem_request_cancel(struct drm_i915_gem_request *req);
-void i915_gem_request_free(struct kref *req_ref);
+
+static inline bool i915_gem_request_completed(struct drm_i915_gem_request *req,
+					      bool lazy_coherency)
+{
+	return fence_is_signaled(&req->fence);
+}
+
 int i915_gem_request_add_to_client(struct drm_i915_gem_request *req,
 				   struct drm_file *file);
 
@@ -2348,7 +2365,7 @@ static inline struct drm_i915_gem_request *
 i915_gem_request_reference(struct drm_i915_gem_request *req)
 {
 	if (req)
-		kref_get(&req->ref);
+		fence_get(&req->fence);
 	return req;
 }
 
@@ -2356,7 +2373,7 @@ static inline void
 i915_gem_request_unreference(struct drm_i915_gem_request *req)
 {
 	WARN_ON(!mutex_is_locked(&req->engine->dev->struct_mutex));
-	kref_put(&req->ref, i915_gem_request_free);
+	fence_put(&req->fence);
 }
 
 static inline void
@@ -2368,7 +2385,7 @@ i915_gem_request_unreference__unlocked(struct drm_i915_gem_request *req)
 		return;
 
 	dev = req->engine->dev;
-	if (kref_put_mutex(&req->ref, i915_gem_request_free, &dev->struct_mutex))
+	if (kref_put_mutex(&req->fence.refcount, fence_release, &dev->struct_mutex))
 		mutex_unlock(&dev->struct_mutex);
 }
 
@@ -2385,12 +2402,6 @@ static inline void i915_gem_request_assign(struct drm_i915_gem_request **pdst,
 }
 
 /*
- * XXX: i915_gem_request_completed should be here but currently needs the
- * definition of i915_seqno_passed() which is below. It will be moved in
- * a later patch when the call to i915_seqno_passed() is obsoleted...
- */
-
-/*
  * A command that requires special handling by the command parser.
  */
 struct drm_i915_cmd_descriptor {
@@ -3055,24 +3066,6 @@ i915_seqno_passed(uint32_t seq1, uint32_t seq2)
 	return (int32_t)(seq1 - seq2) >= 0;
 }
 
-static inline bool i915_gem_request_started(struct drm_i915_gem_request *req,
-					   bool lazy_coherency)
-{
-	if (!lazy_coherency && req->engine->irq_seqno_barrier)
-		req->engine->irq_seqno_barrier(req->engine);
-	return i915_seqno_passed(req->engine->get_seqno(req->engine),
-				 req->previous_seqno);
-}
-
-static inline bool i915_gem_request_completed(struct drm_i915_gem_request *req,
-					      bool lazy_coherency)
-{
-	if (!lazy_coherency && req->engine->irq_seqno_barrier)
-		req->engine->irq_seqno_barrier(req->engine);
-	return i915_seqno_passed(req->engine->get_seqno(req->engine),
-				 req->seqno);
-}
-
 int __must_check i915_gem_get_seqno(struct drm_device *dev, u32 *seqno);
 int __must_check i915_gem_set_seqno(struct drm_device *dev, u32 seqno);
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index ebef03b..1add29a9 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1183,6 +1183,7 @@ static int __i915_spin_request(struct drm_i915_gem_request *req, int state)
 {
 	unsigned long timeout;
 	unsigned cpu;
+	uint32_t seqno;
 
 	/* When waiting for high frequency requests, e.g. during synchronous
 	 * rendering split between the CPU and GPU, the finite amount of time
@@ -1198,12 +1199,14 @@ static int __i915_spin_request(struct drm_i915_gem_request *req, int state)
 		return -EBUSY;
 
 	/* Only spin if we know the GPU is processing this request */
-	if (!i915_gem_request_started(req, true))
+	seqno = req->engine->get_seqno(req->engine);
+	if (!i915_seqno_passed(seqno, req->previous_seqno))
 		return -EAGAIN;
 
 	timeout = local_clock_us(&cpu) + 5;
 	while (!need_resched()) {
-		if (i915_gem_request_completed(req, true))
+		seqno = req->engine->get_seqno(req->engine);
+		if (i915_seqno_passed(seqno, req->seqno))
 			return 0;
 
 		if (signal_pending_state(state, current))
@@ -1215,7 +1218,10 @@ static int __i915_spin_request(struct drm_i915_gem_request *req, int state)
 		cpu_relax_lowlatency();
 	}
 
-	if (i915_gem_request_completed(req, false))
+	if (req->engine->irq_seqno_barrier)
+		req->engine->irq_seqno_barrier(req->engine);
+	seqno = req->engine->get_seqno(req->engine);
+	if (i915_seqno_passed(seqno, req->seqno))
 		return 0;
 
 	return -EAGAIN;
@@ -2721,12 +2727,14 @@ static void i915_set_reset_status(struct drm_i915_private *dev_priv,
 	}
 }
 
-void i915_gem_request_free(struct kref *req_ref)
+static void i915_gem_request_free(struct fence *req_fence)
 {
-	struct drm_i915_gem_request *req = container_of(req_ref,
-						 typeof(*req), ref);
+	struct drm_i915_gem_request *req = container_of(req_fence,
+						 typeof(*req), fence);
 	struct intel_context *ctx = req->ctx;
 
+	WARN_ON(!mutex_is_locked(&req->engine->dev->struct_mutex));
+
 	if (req->file_priv)
 		i915_gem_request_remove_from_client(req);
 
@@ -2740,6 +2748,48 @@ void i915_gem_request_free(struct kref *req_ref)
 	kmem_cache_free(req->i915->requests, req);
 }
 
+static bool i915_gem_request_enable_signaling(struct fence *req_fence)
+{
+	/* Interrupt driven fences are not implemented yet.*/
+	WARN(true, "This should not be called!");
+	return true;
+}
+
+static bool i915_gem_request_is_completed(struct fence *req_fence)
+{
+	struct drm_i915_gem_request *req = container_of(req_fence,
+						 typeof(*req), fence);
+	u32 seqno;
+
+/*	if (!lazy_coherency && req->engine->irq_seqno_barrier)
+		req->engine->irq_seqno_barrier(req->engine);*/
+
+	seqno = req->engine->get_seqno(req->engine);
+
+	return i915_seqno_passed(seqno, req->seqno);
+}
+
+static const char *i915_gem_request_get_driver_name(struct fence *req_fence)
+{
+	return "i915";
+}
+
+static const char *i915_gem_request_get_timeline_name(struct fence *req_fence)
+{
+	struct drm_i915_gem_request *req = container_of(req_fence,
+						 typeof(*req), fence);
+	return req->engine->name;
+}
+
+static const struct fence_ops i915_gem_request_fops = {
+	.enable_signaling	= i915_gem_request_enable_signaling,
+	.signaled		= i915_gem_request_is_completed,
+	.wait			= fence_default_wait,
+	.release		= i915_gem_request_free,
+	.get_driver_name	= i915_gem_request_get_driver_name,
+	.get_timeline_name	= i915_gem_request_get_timeline_name,
+};
+
 static inline int
 __i915_gem_request_alloc(struct intel_engine_cs *engine,
 			 struct intel_context *ctx,
@@ -2762,7 +2812,6 @@ __i915_gem_request_alloc(struct intel_engine_cs *engine,
 	if (ret)
 		goto err;
 
-	kref_init(&req->ref);
 	req->i915 = dev_priv;
 	req->engine = engine;
 	req->ctx  = ctx;
@@ -2777,6 +2826,9 @@ __i915_gem_request_alloc(struct intel_engine_cs *engine,
 		goto err;
 	}
 
+	fence_init(&req->fence, &i915_gem_request_fops, &engine->fence_lock,
+		   engine->fence_context, req->seqno);
+
 	/*
 	 * Reserve space in the ring buffer for all the commands required to
 	 * eventually emit this request. This is to guarantee that the
@@ -4887,7 +4939,7 @@ i915_gem_init_hw(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_engine_cs *engine;
-	int ret, j;
+	int ret, j, fence_base;
 
 	if (INTEL_INFO(dev)->gen < 6 && !intel_enable_gtt())
 		return -EIO;
@@ -4957,10 +5009,14 @@ i915_gem_init_hw(struct drm_device *dev)
 	if (ret)
 		goto out;
 
+	fence_base = fence_context_alloc(I915_NUM_ENGINES);
+
 	/* Now it is safe to go back round and do everything else: */
 	for_each_engine(engine, dev_priv) {
 		struct drm_i915_gem_request *req;
 
+		engine->fence_context = fence_base + engine->id;
+
 		req = i915_gem_request_alloc(engine, NULL);
 		if (IS_ERR(req)) {
 			ret = PTR_ERR(req);
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 5e08ea5..268e024 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -2133,6 +2133,7 @@ logical_ring_init(struct drm_device *dev, struct intel_engine_cs *engine)
 	engine->dev = dev;
 	INIT_LIST_HEAD(&engine->active_list);
 	INIT_LIST_HEAD(&engine->request_list);
+	spin_lock_init(&engine->fence_lock);
 	i915_gem_batch_pool_init(dev, &engine->batch_pool);
 	init_waitqueue_head(&engine->irq_queue);
 
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 19ebe77..a52b81c 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -2229,6 +2229,7 @@ static int intel_init_ring_buffer(struct drm_device *dev,
 	INIT_LIST_HEAD(&engine->request_list);
 	INIT_LIST_HEAD(&engine->execlist_queue);
 	INIT_LIST_HEAD(&engine->buffers);
+	spin_lock_init(&engine->fence_lock);
 	i915_gem_batch_pool_init(dev, &engine->batch_pool);
 	memset(engine->semaphore.sync_seqno, 0,
 	       sizeof(engine->semaphore.sync_seqno));
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 2ade194..2cd9d2c 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -348,6 +348,9 @@ struct  intel_engine_cs {
 	 * to encode the command length in the header).
 	 */
 	u32 (*get_cmd_length_mask)(u32 cmd_header);
+
+	unsigned fence_context;
+	spinlock_t fence_lock;
 };
 
 static inline bool
