drm_client_init
ret = drm_client_init(&adev->ddev, &adev->kfd.client, "kfd",
ret = drm_client_init(dev, &fb_helper->client, "fbdev", &drm_fbdev_client_funcs);
if (drm_client_init(dev, &new->client, "drm_log", &drm_log_client_funcs))
EXPORT_SYMBOL(drm_client_init);
ret = drm_client_init(dev, &fb_helper->client, "drm_fb_helper", NULL);
int drm_client_init(struct drm_device *dev, struct drm_client_dev *client,