}
 EXPORT_SYMBOL_GPL(tinydrm_gem_cma_free_object);
 
-const struct file_operations tinydrm_fops = {
-       .owner          = THIS_MODULE,
-       .open           = drm_open,
-       .release        = drm_release,
-       .unlocked_ioctl = drm_ioctl,
-#ifdef CONFIG_COMPAT
-       .compat_ioctl   = drm_compat_ioctl,
-#endif
-       .poll           = drm_poll,
-       .read           = drm_read,
-       .llseek         = no_llseek,
-       .mmap           = drm_gem_cma_mmap,
-};
-EXPORT_SYMBOL(tinydrm_fops);
-
 static struct drm_framebuffer *
 tinydrm_fb_create(struct drm_device *drm, struct drm_file *file_priv,
                  const struct drm_mode_fb_cmd2 *mode_cmd)
 
        TINYDRM_MODE(320, 240, 58, 43),
 };
 
+DEFINE_DRM_GEM_CMA_FOPS(mi0283qt_fops);
+
 static struct drm_driver mi0283qt_driver = {
        .driver_features        = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME |
                                  DRIVER_ATOMIC,
+       .fops                   = &mi0283qt_fops,
        TINYDRM_GEM_DRIVER_OPS,
        .lastclose              = tinydrm_lastclose,
        .debugfs_init           = mipi_dbi_debugfs_init,
 
        .gem_prime_mmap         = drm_gem_cma_prime_mmap, \
        .dumb_create            = drm_gem_cma_dumb_create, \
        .dumb_map_offset        = drm_gem_cma_dumb_map_offset, \
-       .dumb_destroy           = drm_gem_dumb_destroy, \
-       .fops                   = &tinydrm_fops
+       .dumb_destroy           = drm_gem_dumb_destroy
 
 /**
  * TINYDRM_MODE - tinydrm display mode
        .type = DRM_MODE_TYPE_DRIVER, \
        .clock = 1 /* pass validation */
 
-extern const struct file_operations tinydrm_fops;
 void tinydrm_lastclose(struct drm_device *drm);
 void tinydrm_gem_cma_free_object(struct drm_gem_object *gem_obj);
 struct drm_gem_object *