diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index f14496dd..523f3f57 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -53,6 +53,7 @@
 #include "intel_chipset.h"
 #include "igt_debugfs.h"
 #include "igt_sysfs.h"
+#include "sw_sync.h"
 
 /**
  * SECTION:igt_kms
@@ -2479,6 +2480,21 @@ static int igt_atomic_commit(igt_display_t *display, uint32_t flags, void *user_
 	}
 
 	ret = drmModeAtomicCommit(display->drm_fd, req, flags, user_data);
+	if (!ret) {
+
+		for_each_pipe(display, pipe) {
+			igt_pipe_t *pipe_obj = &display->pipes[pipe];
+
+			if (pipe_obj->out_fence != -1)
+				continue;
+
+			igt_assert(pipe_obj->out_fence >= 0);
+			ret = sync_fence_wait(pipe_obj->out_fence, 1000);
+			igt_assert(ret == 0);
+			close(pipe_obj->out_fence);
+		}
+	}
+
 	drmModeAtomicFree(req);
 	return ret;
 
@@ -2972,6 +2988,11 @@ void igt_plane_set_rotation(igt_plane_t *plane, igt_rotation_t rotation)
 	plane->rotation_changed = true;
 }
 
+void igt_pipe_request_out_fence(igt_pipe_t *pipe)
+{
+	pipe->out_fence_requested = true;
+}
+
 void
 igt_pipe_set_degamma_lut(igt_pipe_t *pipe, void *ptr, size_t length)
 {
@@ -2994,20 +3015,6 @@ igt_pipe_set_gamma_lut(igt_pipe_t *pipe, void *ptr, size_t length)
 }
 
 /**
- * igt_pipe_set_out_fence_ptr:
- * @pipe: pipe pointer to which background color to be set
- * @fence_ptr: out fence pointer
- *
- * Sets the out fence pointer that will be passed to the kernel in
- * the atomic ioctl. When the kernel returns the out fence pointer
- * will contain the fd number of the out fence created by KMS.
- */
-void igt_pipe_set_out_fence_ptr(igt_pipe_t *pipe, int64_t *fence_ptr)
-{
-	pipe->out_fence_ptr = fence_ptr;
-}
-
-/**
  * igt_crtc_set_background:
  * @pipe: pipe pointer to which background color to be set
  * @background: background color value in BGR 16bpc
diff --git a/tests/kms_atomic_transition.c b/tests/kms_atomic_transition.c
index 72429759..eebb5d66 100644
--- a/tests/kms_atomic_transition.c
+++ b/tests/kms_atomic_transition.c
@@ -253,6 +253,93 @@ retry:
 		 sprite_width, sprite_height, alpha);
 }
 
+int *timeline;
+pthread_t *thread;
+int *seqno;
+
+static void prepare_fencing(igt_display_t *display, enum pipe pipe)
+{
+	igt_plane_t *plane;
+	int n_planes;
+
+	igt_require_sw_sync();
+
+	n_planes = display->pipes[pipe].n_planes;
+        timeline = calloc(sizeof(*timeline), n_planes);
+        igt_assert_f(timeline != NULL, "Failed to allocate memory for timelines\n");
+        thread = calloc(sizeof(*thread), n_planes);
+        igt_assert_f(thread != NULL, "Failed to allocate memory for thread\n");
+        seqno = calloc(sizeof(*seqno), n_planes);
+        igt_assert_f(seqno != NULL, "Failed to allocate memory for seqno\n");
+
+	for_each_plane_on_pipe(display, pipe, plane)
+		timeline[plane->index] = sw_sync_timeline_create();
+}
+
+static void unprepare_fencing(igt_display_t *display, enum pipe pipe)
+{
+	igt_plane_t *plane;
+
+	for_each_plane_on_pipe(display, pipe, plane)
+		close(timeline[plane->index]);
+
+	free(timeline);
+	free(thread);
+	free(seqno);
+}
+
+static void *fence_inc_thread(void *arg)
+{
+	int t = *((int *) arg);
+
+	pthread_detach(pthread_self());
+
+	usleep(5000);
+	sw_sync_timeline_inc(t, 1);
+	return NULL;
+}
+
+static void configure_fencing(igt_display_t *display, enum pipe pipe)
+{
+	igt_plane_t *plane;
+	int i, fd, ret;
+
+	for_each_plane_on_pipe(display, pipe, plane) {
+
+		if (!plane->fb)
+			continue;
+
+		i = plane->index;
+
+		seqno[i]++;
+		fd = sw_sync_timeline_create_fence(timeline[i], seqno[i]);
+		igt_plane_set_fence_fd(plane, fd);
+		ret = pthread_create(&thread[i], NULL, fence_inc_thread, &timeline[i]);
+		igt_assert_eq(ret, 0);
+	}
+}
+
+static void clear_fencing(igt_display_t *display, enum pipe pipe)
+{
+	igt_plane_t *plane;
+
+	for_each_plane_on_pipe(display, pipe, plane)
+		igt_plane_set_fence_fd(plane, -1);
+}
+
+static void atomic_commit(igt_display_t *display, enum pipe pipe, unsigned int flags, void *data, bool fencing)
+{
+	if (fencing) {
+		configure_fencing(display, pipe);
+		igt_pipe_request_out_fence(&display->pipes[pipe]);
+	}
+
+	igt_display_commit_atomic(display, flags, data);
+
+	if (fencing)
+		clear_fencing(display, pipe);
+}
+
 /*
  * 1. Set primary plane to a known fb.
  * 2. Make sure getcrtc returns the correct fb id.
@@ -273,6 +360,7 @@ run_transition_test(igt_display_t *display, enum pipe pipe, igt_output_t *output
 	struct plane_parms parms[display->pipes[pipe].n_planes];
 	bool skip_test = false;
 	unsigned flags = DRM_MODE_PAGE_FLIP_EVENT;
+	int ret;
 
 	if (nonblocking)
 		flags |= DRM_MODE_ATOMIC_NONBLOCK;
@@ -307,11 +395,50 @@ run_transition_test(igt_display_t *display, enum pipe pipe, igt_output_t *output
 
 	setup_parms(display, pipe, mode, &argb_fb, &sprite_fb, parms);
 
+	/*
+	 * In some configurations the tests may not run to completion with all
+	 * sprite planes lit up at 4k resolution, try decreasing width/size of secondary
+	 * planes to fix this
+	 */
+	while (1) {
+		wm_setup_plane(display, pipe, iter_max - 1, parms);
+
+		if (fencing)
+			igt_pipe_set_out_fence_ptr(&display->pipes[pipe],
+			    (int64_t *) &out_fence);
+		ret = igt_display_try_commit_atomic(display, DRM_MODE_ATOMIC_TEST_ONLY | DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
+
+		if (ret != -EINVAL || n_planes < 3)
+			break;
+
+		ret = 0;
+		for_each_plane_on_pipe(display, pipe, plane) {
+			i = plane->index;
+
+			if (plane->is_primary || plane->is_cursor)
+				continue;
+
+			if (parms[i].width <= 512)
+				continue;
+
+			parms[i].width /= 2;
+			ret = 1;
+			igt_info("Reducing sprite %i to %ux%u\n", i - 1, parms[i].width, parms[i].height);
+			break;
+		}
+
+		if (!ret)
+			igt_skip("Cannot run tests without proper size sprite planes\n");
+	}
+
 	for (i = 0; i < iter_max; i++) {
 		igt_output_set_pipe(output, pipe);
 
 		wm_setup_plane(display, pipe, i, parms);
 
+		if (fencing)
+			igt_pipe_set_out_fence_ptr(&display->pipes[pipe], &out_fence);
+
 		igt_display_commit_atomic(display, flags, (void *)(unsigned long)i);
 		drmHandleEvent(display->drm_fd, &drm_events);
 
@@ -320,6 +447,9 @@ run_transition_test(igt_display_t *display, enum pipe pipe, igt_output_t *output
 
 			wm_setup_plane(display, pipe, 0, parms);
 
+			if (fencing)
+				igt_pipe_request_out_fence(&display->pipes[pipe]);
+
 			igt_display_commit_atomic(display, flags, (void *)0UL);
 
 			drmHandleEvent(display->drm_fd, &drm_events);
@@ -333,6 +463,9 @@ run_transition_test(igt_display_t *display, enum pipe pipe, igt_output_t *output
 				if (type == TRANSITION_MODESET)
 					igt_output_override_mode(output, &override_mode);
 
+				if (fencing)
+					igt_pipe_set_out_fence_ptr(&display->pipes[pipe], &out_fence);
+
 				igt_display_commit_atomic(display, flags, (void *)(unsigned long)j);
 				drmHandleEvent(display->drm_fd, &drm_events);
 
@@ -340,6 +473,9 @@ run_transition_test(igt_display_t *display, enum pipe pipe, igt_output_t *output
 				if (type == TRANSITION_MODESET)
 					igt_output_override_mode(output, NULL);
 
+				if (fencing)
+					igt_pipe_set_out_fence_ptr(&display->pipes[pipe], &out_fence);
+
 				igt_display_commit_atomic(display, flags, (void *)(unsigned long)i);
 				drmHandleEvent(display->drm_fd, &drm_events);
 			}
@@ -676,14 +812,26 @@ igt_main
 		for_each_pipe_with_valid_output(&display, pipe, output)
 			run_transition_test(&display, pipe, output, TRANSITION_PLANES, false, false);
 
+	igt_subtest("plane-all-transition-fencing")
+		for_each_pipe_with_valid_output(&display, pipe, output)
+			run_transition_test(&display, pipe, output, TRANSITION_PLANES, false, true);
+
 	igt_subtest("plane-all-transition-nonblocking")
 		for_each_pipe_with_valid_output(&display, pipe, output)
 			run_transition_test(&display, pipe, output, TRANSITION_PLANES, true, false);
 
+	igt_subtest("plane-all-transition-nonblocking-fencing")
+		for_each_pipe_with_valid_output(&display, pipe, output)
+			run_transition_test(&display, pipe, output, TRANSITION_PLANES, true, true);
+
 	igt_subtest("plane-all-modeset-transition")
 		for_each_pipe_with_valid_output(&display, pipe, output)
 			run_transition_test(&display, pipe, output, TRANSITION_MODESET, false, false);
 
+	igt_subtest("plane-all-modeset-transition-fencing")
+		for_each_pipe_with_valid_output(&display, pipe, output)
+			run_transition_test(&display, pipe, output, TRANSITION_MODESET, false, true);
+
 	igt_subtest("plane-toggle-modeset-transition")
 		for_each_pipe_with_valid_output(&display, pipe, output)
 			run_transition_test(&display, pipe, output, TRANSITION_MODESET_DISABLE, false, false);
