drm/hibmc: Remove error check from fbdev setup

Generic fbdev support is a DRM client. Remove the error check as the
driver's probe function should not depend on a DRM client's state.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200408082641.590-3-tzimmermann@suse.de

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c

@@ -307,11 +307,7 @@ static int hibmc_load(struct drm_device *dev)
 	/* reset all the states of crtc/plane/encoder/connector */
 	drm_mode_config_reset(dev);
 
-	ret = drm_fbdev_generic_setup(dev, dev->mode_config.preferred_depth);
-	if (ret) {
-		DRM_ERROR("failed to initialize fbdev: %d\n", ret);
-		goto err;
-	}
+	drm_fbdev_generic_setup(dev, dev->mode_config.preferred_depth);
 
 	return 0;