diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c
index e6e0c6e..2a0c3161 100644
--- a/drivers/gpu/drm/i915/i915_guc_submission.c
+++ b/drivers/gpu/drm/i915/i915_guc_submission.c
@@ -491,14 +491,12 @@ static void guc_wq_item_append(struct i915_guc_client *client,
 	 * workqueue buffer dw by dw.
 	 */
 	BUILD_BUG_ON(wqi_size != 16);
-	GEM_BUG_ON(client->wq_rsvd < wqi_size);
 
 	/* postincrement WQ tail for next time */
 	wq_off = client->wq_tail;
 	GEM_BUG_ON(wq_off & (wqi_size - 1));
 	client->wq_tail += wqi_size;
 	client->wq_tail &= client->wq_size - 1;
-	client->wq_rsvd -= wqi_size;
 
 	/* WQ starts from the page after doorbell / process_desc */
 	wqi = client->vaddr + wq_off + GUC_DB_SIZE;
@@ -580,7 +578,7 @@ static int guc_ring_doorbell(struct i915_guc_client *client)
 }
 
 /**
- * __i915_guc_submit() - Submit commands through GuC
+ * i915_guc_submit() - Submit commands through GuC
  * @rq:		request associated with the commands
  *
  * The caller must have already called i915_guc_wq_reserve() above with
@@ -594,7 +592,7 @@ static int guc_ring_doorbell(struct i915_guc_client *client)
  * The only error here arises if the doorbell hardware isn't functioning
  * as expected, which really shouln't happen.
  */
-static void __i915_guc_submit(struct drm_i915_gem_request *rq)
+static void i915_guc_submit(struct drm_i915_gem_request *rq)
 {
 	struct drm_i915_private *dev_priv = rq->i915;
 	struct intel_engine_cs *engine = rq->engine;
@@ -618,12 +616,6 @@ static void __i915_guc_submit(struct drm_i915_gem_request *rq)
 	spin_unlock_irqrestore(&client->wq_lock, flags);
 }
 
-static void i915_guc_submit(struct drm_i915_gem_request *rq)
-{
-	__i915_gem_request_submit(rq);
-	__i915_guc_submit(rq);
-}
-
 static void nested_enable_signaling(struct drm_i915_gem_request *rq)
 {
 	/* If we use dma_fence_enable_sw_signaling() directly, lockdep
@@ -659,12 +651,15 @@ static void port_assign(struct execlist_port *port,
 	nested_enable_signaling(rq);
 }
 
-static bool i915_guc_dequeue(struct intel_engine_cs *engine)
+static void i915_guc_dequeue(struct intel_engine_cs *engine)
 {
 	struct execlist_port *port = engine->execlist_port;
-	struct drm_i915_gem_request *last = port_request(port);
-	struct rb_node *rb;
+	struct drm_i915_gem_request *last = NULL;
 	bool submit = false;
+	struct rb_node *rb;
+
+	if (port_request(port))
+		port++;
 
 	spin_lock_irq(&engine->timeline->lock);
 	rb = engine->execlist_first;
@@ -681,18 +676,22 @@ static bool i915_guc_dequeue(struct intel_engine_cs *engine)
 					goto done;
 				}
 
-				if (submit)
+				if (submit) {
 					port_assign(port, last);
+					i915_guc_submit(last);
+					submit = false;
+				}
 				port++;
 			}
 
 			INIT_LIST_HEAD(&rq->priotree.link);
 			rq->priotree.priority = INT_MAX;
 
-			i915_guc_submit(rq);
+			__i915_gem_request_submit(rq);
 			trace_i915_gem_request_in(rq, port_index(port, engine));
 			last = rq;
 			submit = true;
+			i915_guc_wq_unreserve(rq);
 		}
 
 		rb = rb_next(rb);
@@ -703,11 +702,11 @@ static bool i915_guc_dequeue(struct intel_engine_cs *engine)
 	}
 done:
 	engine->execlist_first = rb;
-	if (submit)
+	if (submit) {
 		port_assign(port, last);
+		i915_guc_submit(last);
+	}
 	spin_unlock_irq(&engine->timeline->lock);
-
-	return submit;
 }
 
 static void i915_guc_irq_handler(unsigned long data)
@@ -715,24 +714,20 @@ static void i915_guc_irq_handler(unsigned long data)
 	struct intel_engine_cs *engine = (struct intel_engine_cs *)data;
 	struct execlist_port *port = engine->execlist_port;
 	struct drm_i915_gem_request *rq;
-	bool submit;
 
-	do {
-		rq = port_request(&port[0]);
-		while (rq && i915_gem_request_completed(rq)) {
-			trace_i915_gem_request_out(rq);
-			i915_gem_request_put(rq);
+	rq = port_request(&port[0]);
+	while (rq && i915_gem_request_completed(rq)) {
+		trace_i915_gem_request_out(rq);
+		i915_gem_request_put(rq);
 
-			port[0] = port[1];
-			memset(&port[1], 0, sizeof(port[1]));
+		port[0] = port[1];
+		memset(&port[1], 0, sizeof(port[1]));
 
-			rq = port_request(&port[0]);
-		}
+		rq = port_request(&port[0]);
+	}
 
-		submit = false;
-		if (!port_count(&port[1]))
-			submit = i915_guc_dequeue(engine);
-	} while (submit);
+	if (!port_isset(&port[1]))
+		i915_guc_dequeue(engine);
 }
 
 /*
@@ -1250,6 +1245,8 @@ int i915_guc_submission_enable(struct drm_i915_private *dev_priv)
 	for_each_engine(engine, dev_priv, id) {
 		const int wqi_size = sizeof(struct guc_wq_item);
 		struct drm_i915_gem_request *rq;
+		struct execlist_port *port = engine->execlist_port;
+		int n;
 
 		/* The tasklet was initialised by execlists, and may be in
 		 * a state of flux (across a reset) and so we just want to
@@ -1261,11 +1258,16 @@ int i915_guc_submission_enable(struct drm_i915_private *dev_priv)
 
 		/* Replay the current set of previously submitted requests */
 		spin_lock_irq(&engine->timeline->lock);
-		list_for_each_entry(rq, &engine->timeline->requests, link) {
+		list_for_each_entry(rq, &engine->timeline->requests, link)
 			guc_client_update_wq_rsvd(client, wqi_size);
-			__i915_guc_submit(rq);
-		}
 		spin_unlock_irq(&engine->timeline->lock);
+
+		for (n = 0; n < ARRAY_SIZE(engine->execlist_port); n++) {
+			if (!port_isset(&port[n]))
+				break;
+
+			i915_guc_submit(port_request(&port[n]));
+		}
 	}
 
 	return 0;
