diff --git a/xf86drm.c b/xf86drm.c
index 1a717f02..953fc762 100644
--- a/xf86drm.c
+++ b/xf86drm.c
@@ -4257,6 +4257,21 @@ drm_public int drmSyncobjSignal(int fd, const uint32_t *handles,
     return ret;
 }
 
+drm_public int drmSyncobjTimelineSignal(int fd, const uint32_t *handles,
+					uint64_t *points, uint32_t handle_count)
+{
+    struct drm_syncobj_timeline_array args;
+    int ret;
+
+    memclear(args);
+    args.handles = (uintptr_t)handles;
+    args.points = (uintptr_t)points;
+    args.count_handles = handle_count;
+
+    ret = drmIoctl(fd, DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL, &args);
+    return ret;
+}
+
 drm_public int drmSyncobjTimelineWait(int fd, uint32_t *handles, uint64_t *points,
 				      unsigned num_handles,
 				      int64_t timeout_nsec, unsigned flags,
@@ -4299,4 +4314,22 @@ drm_public int drmSyncobjQuery(int fd, uint32_t *handles, uint64_t *points,
     return 0;
 }
 
+drm_public int drmSyncobjTransfer(int fd,
+				  uint32_t dst_handle, uint64_t dst_point,
+				  uint32_t src_handle, uint64_t src_point,
+				  uint32_t flags)
+{
+    struct drm_syncobj_transfer args;
+    int ret;
 
+    memclear(args);
+    args.src_handle = src_handle;
+    args.dst_handle = dst_handle;
+    args.src_point = src_point;
+    args.dst_point = dst_point;
+    args.flags = flags;
+
+    ret = drmIoctl(fd, DRM_IOCTL_SYNCOBJ_TRANSFER, &args);
+
+    return ret;
+}
diff --git a/xf86drm.h b/xf86drm.h
index 60c7a84f..3fb1d1ca 100644
--- a/xf86drm.h
+++ b/xf86drm.h
@@ -876,12 +876,18 @@ extern int drmSyncobjWait(int fd, uint32_t *handles, unsigned num_handles,
 			  uint32_t *first_signaled);
 extern int drmSyncobjReset(int fd, const uint32_t *handles, uint32_t handle_count);
 extern int drmSyncobjSignal(int fd, const uint32_t *handles, uint32_t handle_count);
+extern int drmSyncobjTimelineSignal(int fd, const uint32_t *handles,
+				    uint64_t *points, uint32_t handle_count);
 extern int drmSyncobjTimelineWait(int fd, uint32_t *handles, uint64_t *points,
 				  unsigned num_handles,
 				  int64_t timeout_nsec, unsigned flags,
 				  uint32_t *first_signaled);
 extern int drmSyncobjQuery(int fd, uint32_t *handles, uint64_t *points,
 			   uint32_t handle_count);
+extern int drmSyncobjTransfer(int fd,
+			      uint32_t dst_handle, uint64_t dst_point,
+			      uint32_t src_handle, uint64_t src_point,
+			      uint32_t flags);
 
 #if defined(__cplusplus)
 }