diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index 6ff54f7e6119..f23f1482eb38 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -386,6 +386,43 @@ static long dma_buf_export_sync_file(struct dma_buf *dmabuf,
 	put_unused_fd(fd);
 	return ret;
 }
+
+static long dma_buf_import_sync_file(struct dma_buf *dmabuf,
+				     const void __user *user_data)
+{
+	struct dma_buf_import_sync_file arg;
+	struct dma_fence *fence;
+	enum dma_resv_usage usage;
+	int ret = 0;
+
+	if (copy_from_user(&arg, user_data, sizeof(arg)))
+		return -EFAULT;
+
+	if (arg.flags & ~DMA_BUF_SYNC_RW)
+		return -EINVAL;
+
+	if ((arg.flags & DMA_BUF_SYNC_RW) == 0)
+		return -EINVAL;
+
+	fence = sync_file_get_fence(arg.fd);
+	if (!fence)
+		return -EINVAL;
+
+	usage = (arg.flags & DMA_BUF_SYNC_WRITE) ? DMA_RESV_USAGE_WRITE :
+						   DMA_RESV_USAGE_READ;
+
+	dma_resv_lock(dmabuf->resv, NULL);
+
+	ret = dma_resv_reserve_fences(dmabuf->resv, 1);
+	if (!ret)
+		dma_resv_add_fence(dmabuf->resv, fence, usage);
+
+	dma_resv_unlock(dmabuf->resv);
+
+	dma_fence_put(fence);
+
+	return ret;
+}
 #endif
 
 static long dma_buf_ioctl(struct file *file,
@@ -434,6 +471,8 @@ static long dma_buf_ioctl(struct file *file,
 #if IS_ENABLED(CONFIG_SYNC_FILE)
 	case DMA_BUF_IOCTL_EXPORT_SYNC_FILE:
 		return dma_buf_export_sync_file(dmabuf, (void __user *)arg);
+	case DMA_BUF_IOCTL_IMPORT_SYNC_FILE:
+		return dma_buf_import_sync_file(dmabuf, (const void __user *)arg);
 #endif
 
 	default:
diff --git a/include/uapi/linux/dma-buf.h b/include/uapi/linux/dma-buf.h
index 46f1e3e98b02..70e213a0d7d9 100644
--- a/include/uapi/linux/dma-buf.h
+++ b/include/uapi/linux/dma-buf.h
@@ -96,6 +96,24 @@ struct dma_buf_sync {
  * dma-buf for waiting later instead of waiting immediately.  This is
  * useful for modern graphics APIs such as Vulkan which assume an explicit
  * synchronization model but still need to inter-operate with dma-buf.
+ *
+ * The intended usage pattern is the following:
+ *
+ *  1. Export a sync_file with flags corresponding to the expected GPU usage
+ *     via DMA_BUF_IOCTL_EXPORT_SYNC_FILE.
+ *
+ *  2. Submit rendering work which uses the dma-buf.  The work should wait on
+ *     the exported sync file before rendering and produce another sync_file
+ *     when complete.
+ *
+ *  3. Import the rendering-complete sync_file into the dma-buf with flags
+ *     corresponding to the GPU usage via DMA_BUF_IOCTL_EXPORT_SYNC_FILE.
+ *
+ * Unlike doing implicit synchronization via a GPU kernel driver's exec ioctl,
+ * the above is not a single atomic operation.  If userspace wants to ensure
+ * ordering via these fences, it is the respnosibility of userspace to use
+ * locks or other mechanisms to ensure that no other context adds fences or
+ * submits work between steps 1 and 3 above.
  */
 struct dma_buf_export_sync_file {
 	/**
@@ -119,6 +137,36 @@ struct dma_buf_export_sync_file {
 	__s32 fd;
 };
 
+/**
+ * struct dma_buf_import_sync_file - Insert a sync_file into a dma-buf
+ *
+ * Userspace can perform a DMA_BUF_IOCTL_IMPORT_SYNC_FILE to insert a
+ * sync_file into a dma-buf for the purposes of implicit synchronization
+ * with other dma-buf consumers.  This allows clients using explicitly
+ * synchronized APIs such as Vulkan to inter-op with dma-buf consumers
+ * which expect implicit synchronization such as OpenGL or most media
+ * drivers/video.
+ */
+struct dma_buf_import_sync_file {
+	/**
+	 * @flags: Read/write flags
+	 *
+	 * Must be DMA_BUF_SYNC_READ, DMA_BUF_SYNC_WRITE, or both.
+	 *
+	 * If DMA_BUF_SYNC_READ is set and DMA_BUF_SYNC_WRITE is not set,
+	 * this inserts the sync_file as a read-only fence.  Any subsequent
+	 * implicitly synchronized writes to this dma-buf will wait on this
+	 * fence but reads will not.
+	 *
+	 * If DMA_BUF_SYNC_WRITE is set, this inserts the sync_file as a
+	 * write fence.  All subsequent implicitly synchronized access to
+	 * this dma-buf will wait on this fence.
+	 */
+	__u32 flags;
+	/** @fd: Sync file descriptor */
+	__s32 fd;
+};
+
 #define DMA_BUF_BASE		'b'
 #define DMA_BUF_IOCTL_SYNC	_IOW(DMA_BUF_BASE, 0, struct dma_buf_sync)
 
@@ -129,5 +177,6 @@ struct dma_buf_export_sync_file {
 #define DMA_BUF_SET_NAME_A	_IOW(DMA_BUF_BASE, 1, u32)
 #define DMA_BUF_SET_NAME_B	_IOW(DMA_BUF_BASE, 1, u64)
 #define DMA_BUF_IOCTL_EXPORT_SYNC_FILE	_IOWR(DMA_BUF_BASE, 2, struct dma_buf_export_sync_file)
+#define DMA_BUF_IOCTL_IMPORT_SYNC_FILE	_IOW(DMA_BUF_BASE, 3, struct dma_buf_import_sync_file)
 
 #endif
