+static void vop_crtc_reset(struct drm_crtc *crtc)
+{
+ if (crtc->state)
+ __drm_atomic_helper_crtc_destroy_state(crtc, crtc->state);
+ kfree(crtc->state);
+
+ crtc->state = kzalloc(sizeof(struct rockchip_crtc_state), GFP_KERNEL);
+ if (crtc->state)
+ crtc->state->crtc = crtc;
+}
+