diff --git a/drivers/gpu/drm/drm_client.c b/drivers/gpu/drm/drm_client.c
index 17d9a64e885e..eca7331762e4 100644
--- a/drivers/gpu/drm/drm_client.c
+++ b/drivers/gpu/drm/drm_client.c
@@ -80,8 +80,7 @@ int drm_client_new(struct drm_device *dev, struct drm_client_dev *client,
 {
 	int ret;
 
-	if (!drm_core_check_feature(dev, DRIVER_MODESET) ||
-	    !dev->driver->dumb_create || !dev->driver->gem_prime_vmap)
+	if (!drm_core_check_feature(dev, DRIVER_MODESET) || !dev->driver->dumb_create)
 		return -EOPNOTSUPP;
 
 	if (funcs && !try_module_get(funcs->owner))
@@ -212,8 +211,7 @@ static void drm_client_buffer_delete(struct drm_client_buffer *buffer)
 {
 	struct drm_device *dev = buffer->client->dev;
 
-	if (buffer->vaddr && dev->driver->gem_prime_vunmap)
-		dev->driver->gem_prime_vunmap(buffer->gem, buffer->vaddr);
+	drm_gem_vunmap(buffer->gem, buffer->vaddr);
 
 	if (buffer->gem)
 		drm_gem_object_put_unlocked(buffer->gem);
@@ -266,9 +264,9 @@ drm_client_buffer_create(struct drm_client_dev *client, u32 width, u32 height, u
 	 * fd_install step out of the driver backend hooks, to make that
 	 * final step optional for internal users.
 	 */
-	vaddr = dev->driver->gem_prime_vmap(obj);
-	if (!vaddr) {
-		ret = -ENOMEM;
+	vaddr = drm_gem_vmap(obj);
+	if (IS_ERR(vaddr)) {
+		ret = PTR_ERR(vaddr);
 		goto err_delete;
 	}
 
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 512078ebd97b..8b55ece97967 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -257,7 +257,9 @@ drm_gem_object_release_handle(int id, void *ptr, void *data)
 	struct drm_gem_object *obj = ptr;
 	struct drm_device *dev = obj->dev;
 
-	if (dev->driver->gem_close_object)
+	if (obj->funcs && obj->funcs->close)
+		obj->funcs->close(obj, file_priv);
+	else if (dev->driver->gem_close_object)
 		dev->driver->gem_close_object(obj, file_priv);
 
 	if (drm_core_check_feature(dev, DRIVER_PRIME))
@@ -410,7 +412,11 @@ drm_gem_handle_create_tail(struct drm_file *file_priv,
 	if (ret)
 		goto err_remove;
 
-	if (dev->driver->gem_open_object) {
+	if (obj->funcs && obj->funcs->open) {
+		ret = obj->funcs->open(obj, file_priv);
+		if (ret)
+			goto err_revoke;
+	} else if (dev->driver->gem_open_object) {
 		ret = dev->driver->gem_open_object(obj, file_priv);
 		if (ret)
 			goto err_revoke;
@@ -835,7 +841,9 @@ drm_gem_object_free(struct kref *kref)
 		container_of(kref, struct drm_gem_object, refcount);
 	struct drm_device *dev = obj->dev;
 
-	if (dev->driver->gem_free_object_unlocked) {
+	if (obj->funcs) {
+		obj->funcs->free(obj);
+	} else if (dev->driver->gem_free_object_unlocked) {
 		dev->driver->gem_free_object_unlocked(obj);
 	} else if (dev->driver->gem_free_object) {
 		WARN_ON(!mutex_is_locked(&dev->struct_mutex));
@@ -864,13 +872,13 @@ drm_gem_object_put_unlocked(struct drm_gem_object *obj)
 
 	dev = obj->dev;
 
-	if (dev->driver->gem_free_object_unlocked) {
-		kref_put(&obj->refcount, drm_gem_object_free);
-	} else {
+	if (dev->driver->gem_free_object) {
 		might_lock(&dev->struct_mutex);
 		if (kref_put_mutex(&obj->refcount, drm_gem_object_free,
 				&dev->struct_mutex))
 			mutex_unlock(&dev->struct_mutex);
+	} else {
+		kref_put(&obj->refcount, drm_gem_object_free);
 	}
 }
 EXPORT_SYMBOL(drm_gem_object_put_unlocked);
@@ -960,11 +968,14 @@ int drm_gem_mmap_obj(struct drm_gem_object *obj, unsigned long obj_size,
 	if (obj_size < vma->vm_end - vma->vm_start)
 		return -EINVAL;
 
-	if (!dev->driver->gem_vm_ops)
+	if (obj->funcs && obj->funcs->vm_ops)
+		vma->vm_ops = obj->funcs->vm_ops;
+	else if (dev->driver->gem_vm_ops)
+		vma->vm_ops = dev->driver->gem_vm_ops;
+	else
 		return -EINVAL;
 
 	vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;
-	vma->vm_ops = dev->driver->gem_vm_ops;
 	vma->vm_private_data = obj;
 	vma->vm_page_prot = pgprot_writecombine(vm_get_page_prot(vma->vm_flags));
 	vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot);
@@ -1066,6 +1077,86 @@ void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
 	drm_printf_indent(p, indent, "imported=%s\n",
 			  obj->import_attach ? "yes" : "no");
 
-	if (obj->dev->driver->gem_print_info)
+	if (obj->funcs && obj->funcs->print_info)
+		obj->funcs->print_info(p, indent, obj);
+	else if (obj->dev->driver->gem_print_info)
 		obj->dev->driver->gem_print_info(p, indent, obj);
 }
+
+/**
+ * drm_gem_pin - Pin backing buffer in memory
+ * @obj: GEM object
+ *
+ * Make sure the backing buffer is pinned in memory.
+ *
+ * Returns:
+ * 0 on success or a negative error code on failure.
+ */
+int drm_gem_pin(struct drm_gem_object *obj)
+{
+	if (obj->funcs && obj->funcs->pin)
+		return obj->funcs->pin(obj);
+	else if (obj->dev->driver->gem_prime_pin)
+		return obj->dev->driver->gem_prime_pin(obj);
+	else
+		return 0;
+}
+EXPORT_SYMBOL(drm_gem_pin);
+
+/**
+ * drm_gem_unpin - Unpin backing buffer from memory
+ * @obj: GEM object
+ *
+ * Relax the requirement that the backing buffer is pinned in memory.
+ */
+void drm_gem_unpin(struct drm_gem_object *obj)
+{
+	if (obj->funcs && obj->funcs->unpin)
+		obj->funcs->unpin(obj);
+	else if (obj->dev->driver->gem_prime_unpin)
+		obj->dev->driver->gem_prime_unpin(obj);
+}
+EXPORT_SYMBOL(drm_gem_unpin);
+
+/**
+ * drm_gem_vmap - Map buffer into kernel virtual address space
+ * @obj: GEM object
+ *
+ * Returns:
+ * A virtual pointer to a newly created GEM object or an ERR_PTR-encoded negative
+ * error code on failure.
+ */
+void *drm_gem_vmap(struct drm_gem_object *obj)
+{
+	void *vaddr;
+
+	if (obj->funcs && obj->funcs->vmap)
+		vaddr = obj->funcs->vmap(obj);
+	else if (obj->dev->driver->gem_prime_vmap)
+		vaddr = obj->dev->driver->gem_prime_vmap(obj);
+	else
+		vaddr = ERR_PTR(-EOPNOTSUPP);
+
+	if (!vaddr)
+		vaddr = ERR_PTR(-ENOMEM);
+
+	return vaddr;
+}
+EXPORT_SYMBOL(drm_gem_vmap);
+
+/**
+ * drm_gem_vunmap - Remove buffer mapping from kernel virtual address space
+ * @obj: GEM object
+ * @vaddr: Virtual address (can be NULL)
+ */
+void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr)
+{
+	if (!vaddr)
+		return;
+
+	if (obj->funcs && obj->funcs->vunmap)
+		obj->funcs->vunmap(obj, vaddr);
+	else if (obj->dev->driver->gem_prime_vunmap)
+		obj->dev->driver->gem_prime_vunmap(obj, vaddr);
+}
+EXPORT_SYMBOL(drm_gem_vunmap);
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index 42abf98c1d4a..e0ab5213efa7 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -199,7 +199,6 @@ int drm_gem_map_attach(struct dma_buf *dma_buf,
 {
 	struct drm_prime_attachment *prime_attach;
 	struct drm_gem_object *obj = dma_buf->priv;
-	struct drm_device *dev = obj->dev;
 
 	prime_attach = kzalloc(sizeof(*prime_attach), GFP_KERNEL);
 	if (!prime_attach)
@@ -208,10 +207,7 @@ int drm_gem_map_attach(struct dma_buf *dma_buf,
 	prime_attach->dir = DMA_NONE;
 	attach->priv = prime_attach;
 
-	if (!dev->driver->gem_prime_pin)
-		return 0;
-
-	return dev->driver->gem_prime_pin(obj);
+	return drm_gem_pin(obj);
 }
 EXPORT_SYMBOL(drm_gem_map_attach);
 
@@ -228,7 +224,6 @@ void drm_gem_map_detach(struct dma_buf *dma_buf,
 {
 	struct drm_prime_attachment *prime_attach = attach->priv;
 	struct drm_gem_object *obj = dma_buf->priv;
-	struct drm_device *dev = obj->dev;
 
 	if (prime_attach) {
 		struct sg_table *sgt = prime_attach->sgt;
@@ -247,8 +242,7 @@ void drm_gem_map_detach(struct dma_buf *dma_buf,
 		attach->priv = NULL;
 	}
 
-	if (dev->driver->gem_prime_unpin)
-		dev->driver->gem_prime_unpin(obj);
+	drm_gem_unpin(obj);
 }
 EXPORT_SYMBOL(drm_gem_map_detach);
 
@@ -310,7 +304,10 @@ struct sg_table *drm_gem_map_dma_buf(struct dma_buf_attachment *attach,
 	if (WARN_ON(prime_attach->dir != DMA_NONE))
 		return ERR_PTR(-EBUSY);
 
-	sgt = obj->dev->driver->gem_prime_get_sg_table(obj);
+	if (obj->funcs)
+		sgt = obj->funcs->get_sg_table(obj);
+	else
+		sgt = obj->dev->driver->gem_prime_get_sg_table(obj);
 
 	if (!IS_ERR(sgt)) {
 		if (!dma_map_sg_attrs(attach->dev, sgt->sgl, sgt->nents, dir,
@@ -406,12 +403,13 @@ EXPORT_SYMBOL(drm_gem_dmabuf_release);
 void *drm_gem_dmabuf_vmap(struct dma_buf *dma_buf)
 {
 	struct drm_gem_object *obj = dma_buf->priv;
-	struct drm_device *dev = obj->dev;
+	void *vaddr;
 
-	if (dev->driver->gem_prime_vmap)
-		return dev->driver->gem_prime_vmap(obj);
-	else
-		return NULL;
+	vaddr = drm_gem_vmap(obj);
+	if (IS_ERR(vaddr))
+		vaddr = NULL;
+
+	return vaddr;
 }
 EXPORT_SYMBOL(drm_gem_dmabuf_vmap);
 
@@ -426,10 +424,8 @@ EXPORT_SYMBOL(drm_gem_dmabuf_vmap);
 void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr)
 {
 	struct drm_gem_object *obj = dma_buf->priv;
-	struct drm_device *dev = obj->dev;
 
-	if (dev->driver->gem_prime_vunmap)
-		dev->driver->gem_prime_vunmap(obj, vaddr);
+	drm_gem_vunmap(obj, vaddr);
 }
 EXPORT_SYMBOL(drm_gem_dmabuf_vunmap);
 
@@ -529,7 +525,9 @@ static struct dma_buf *export_and_register_object(struct drm_device *dev,
 		return dmabuf;
 	}
 
-	if (dev->driver->gem_prime_export)
+	if (obj->funcs && obj->funcs->export)
+		dmabuf = obj->funcs->export(obj, flags);
+	else if (dev->driver->gem_prime_export)
 		dmabuf = dev->driver->gem_prime_export(dev, obj, flags);
 	else
 		dmabuf = drm_gem_prime_export(dev, obj, flags);
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index 3583b98a1718..f466ce5bde0e 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -38,6 +38,121 @@
 
 #include <drm/drm_vma_manager.h>
 
+struct drm_gem_object;
+
+/**
+ * struct drm_gem_object_funcs - GEM object functions
+ */
+struct drm_gem_object_funcs {
+	/**
+	 * @free:
+	 *
+	 * Deconstructor for drm_gem_objects.
+	 *
+	 * This callback is mandatory.
+	 */
+	void (*free)(struct drm_gem_object *obj);
+
+	/**
+	 * @open:
+	 *
+	 * Called upon GEM handle creation.
+	 *
+	 * This callback is optional.
+	 */
+	int (*open)(struct drm_gem_object *obj, struct drm_file *file);
+
+	/**
+	 * @close:
+	 *
+	 * Called upon GEM handle release.
+	 *
+	 * This callback is optional.
+	 */
+	void (*close)(struct drm_gem_object *obj, struct drm_file *file);
+
+	/**
+	 * @print_info:
+	 *
+	 * If driver subclasses struct &drm_gem_object, it can implement this
+	 * optional hook for printing additional driver specific info.
+	 *
+	 * drm_printf_indent() should be used in the callback passing it the
+	 * indent argument.
+	 *
+	 * This callback is called from drm_gem_print_info().
+	 *
+	 * This callback is optional.
+	 */
+	void (*print_info)(struct drm_printer *p, unsigned int indent,
+			   const struct drm_gem_object *obj);
+
+	/**
+	 * @export:
+	 *
+	 * Export backing buffer as a &dma_buf.
+	 * If this is not set drm_gem_prime_export() is used.
+	 *
+	 * This callback is optional.
+	 */
+	struct dma_buf *(*export)(struct drm_gem_object *obj, int flags);
+
+	/**
+	 * @pin:
+	 *
+	 * Pin backing buffer in memory.
+	 *
+	 * This callback is optional.
+	 */
+	int (*pin)(struct drm_gem_object *obj);
+
+	/**
+	 * @unpin:
+	 *
+	 * Unpin backing buffer.
+	 *
+	 * This callback is optional.
+	 */
+	void (*unpin)(struct drm_gem_object *obj);
+
+	/**
+	 * @get_sg_table:
+	 *
+	 * Returns a Scatter-Gather table representation of the buffer.
+	 * Used when exporting a buffer.
+	 *
+	 * This callback is mandatory if buffer export is supported.
+	 */
+	struct sg_table *(*get_sg_table)(struct drm_gem_object *obj);
+
+	/**
+	 * @vmap:
+	 *
+	 * Returns a virtual address for the buffer.
+	 *
+	 * This callback is optional.
+	 */
+	void *(*vmap)(struct drm_gem_object *obj);
+
+	/**
+	 * @vunmap:
+	 *
+	 * Releases the the address previously returned by @vmap.
+	 *
+	 * This callback is optional.
+	 */
+	void (*vunmap)(struct drm_gem_object *obj, void *vaddr);
+
+	/**
+	 * @vm_ops:
+	 *
+	 * Virtual memory operations used with mmap.
+	 *
+	 * This is optional but necessary for mmap support.
+	 */
+	const struct vm_operations_struct *vm_ops;
+};
+
 /**
  * struct drm_gem_object - GEM buffer object
  *
@@ -146,6 +261,17 @@ struct drm_gem_object {
 	 * simply leave it as NULL.
 	 */
 	struct dma_buf_attachment *import_attach;
+
+	/**
+	 * @funcs:
+	 *
+	 * Optional GEM object functions. If this is set, it will be used instead of the
+	 * corresponding &drm_driver GEM callbacks.
+	 *
+	 * New drivers should use this.
+	 *
+	 */
+	const struct drm_gem_object_funcs *funcs;
 };
 
 /**
@@ -293,4 +419,9 @@ int drm_gem_dumb_destroy(struct drm_file *file,
 			 struct drm_device *dev,
 			 uint32_t handle);
 
+int drm_gem_pin(struct drm_gem_object *obj);
+void drm_gem_unpin(struct drm_gem_object *obj);
+void *drm_gem_vmap(struct drm_gem_object *obj);
+void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr);
+
 #endif /* __DRM_GEM_H__ */
