drm/i915: Also reinit the BSD and BLT rings after a GPU reset.

	 */

	if (drm_core_check_feature(dev, DRIVER_MODESET) ||

			!dev_priv->mm.suspended) {

		struct intel_ring_buffer *ring = &dev_priv->render_ring;

		dev_priv->mm.suspended = 0;

		ring->init(ring);

		dev_priv->render_ring.init(&dev_priv->render_ring);

		if (HAS_BSD(dev))

		    dev_priv->bsd_ring.init(&dev_priv->bsd_ring);

		if (HAS_BLT(dev))

		    dev_priv->blt_ring.init(&dev_priv->blt_ring);

		mutex_unlock(&dev->struct_mutex);

		drm_irq_uninstall(dev);

		drm_irq_install(dev);