diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
index ad721fccc6aa..335254d23c31 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
@@ -956,6 +956,7 @@ static inline int interpolate(int x1, int y1, int x2, int y2, int x)
 	return y1 + (y2 - y1) * (x - x1) / (x2 - x1);
 }
 
+extern void vop2_standby(struct drm_crtc *crtc, bool standby);
 extern const struct component_ops vop_component_ops;
 extern const struct component_ops vop2_component_ops;
 #endif /* _ROCKCHIP_DRM_VOP_H */
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
index 78dd63f70c3a..fb859b8673b3 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
@@ -653,6 +653,20 @@ static uint64_t vop2_soc_id_fixup(uint64_t soc_id)
 	}
 }
 
+void vop2_standby(struct drm_crtc *crtc, bool standby)
+{
+	struct vop2_video_port *vp = to_vop2_video_port(crtc);
+	struct vop2 *vop2 = vp->vop2;
+
+	if (standby) {
+		VOP_MODULE_SET(vop2, vp, standby, 1);
+		mdelay(20);
+	} else {
+		VOP_MODULE_SET(vop2, vp, standby, 0);
+	}
+}
+EXPORT_SYMBOL(vop2_standby);
+
 static inline const struct vop2_win_regs *vop2_get_win_regs(struct vop2_win *win,
 							    const struct vop_reg *reg)
 {