diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index 7c9d66ee917d..8e9afe7af19c 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -245,8 +245,7 @@ static int drm_getcap(struct drm_device *dev, void *data, struct drm_file *file_
 		req->value = 1;
 		return 0;
 	case DRM_CAP_PRIME:
-		req->value |= dev->driver->prime_fd_to_handle ? DRM_PRIME_CAP_IMPORT : 0;
-		req->value |= dev->driver->prime_handle_to_fd ? DRM_PRIME_CAP_EXPORT : 0;
+		req->value = DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT;
 		return 0;
 	case DRM_CAP_SYNCOBJ:
 		req->value = drm_core_check_feature(dev, DRIVER_SYNCOBJ);
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index f9d4e228b09e..7b48e0b0284a 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -372,11 +372,12 @@ int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
 {
 	struct drm_prime_handle *args = data;
 
-	if (!dev->driver->prime_fd_to_handle)
-		return -ENOSYS;
+	if (dev->driver->prime_fd_to_handle) {
+		return dev->driver->prime_fd_to_handle(dev, file_priv, args->fd,
+						       &args->handle);
+	}
 
-	return dev->driver->prime_fd_to_handle(dev, file_priv,
-			args->fd, &args->handle);
+	return drm_gem_prime_fd_to_handle(dev, file_priv, args->fd, &args->handle);
 }
 
 static struct dma_buf *export_and_register_object(struct drm_device *dev,
@@ -518,15 +519,17 @@ int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
 {
 	struct drm_prime_handle *args = data;
 
-	if (!dev->driver->prime_handle_to_fd)
-		return -ENOSYS;
-
 	/* check flags are valid */
 	if (args->flags & ~(DRM_CLOEXEC | DRM_RDWR))
 		return -EINVAL;
 
-	return dev->driver->prime_handle_to_fd(dev, file_priv,
-			args->handle, args->flags, &args->fd);
+	if (dev->driver->prime_handle_to_fd) {
+		return dev->driver->prime_handle_to_fd(dev, file_priv,
+						       args->handle, args->flags,
+						       &args->fd);
+	}
+	return drm_gem_prime_handle_to_fd(dev, file_priv, args->handle,
+					  args->flags, &args->fd);
 }
 
 /**
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index 870278ecd8ba..b77f2c7275b7 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -304,22 +304,14 @@ struct drm_driver {
 	/**
 	 * @prime_handle_to_fd:
 	 *
-	 * Main PRIME export function. Should be implemented with
-	 * drm_gem_prime_handle_to_fd() for GEM based drivers.
-	 *
-	 * For an in-depth discussion see :ref:`PRIME buffer sharing
-	 * documentation <prime_buffer_sharing>`.
+	 * PRIME export function. Only used by vmwgfx.
 	 */
 	int (*prime_handle_to_fd)(struct drm_device *dev, struct drm_file *file_priv,
 				uint32_t handle, uint32_t flags, int *prime_fd);
 	/**
 	 * @prime_fd_to_handle:
 	 *
-	 * Main PRIME import function. Should be implemented with
-	 * drm_gem_prime_fd_to_handle() for GEM based drivers.
-	 *
-	 * For an in-depth discussion see :ref:`PRIME buffer sharing
-	 * documentation <prime_buffer_sharing>`.
+	 * PRIME import function. Only used by vmwgfx.
 	 */
 	int (*prime_fd_to_handle)(struct drm_device *dev, struct drm_file *file_priv,
 				int prime_fd, uint32_t *handle);