diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
index 05880b2e4e9a..9cbef7e33704 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
@@ -5078,7 +5078,11 @@ static int vop2_crtc_loader_protect(struct drm_crtc *crtc, bool on)
 	struct vop2_video_port *vp = to_vop2_video_port(crtc);
 	struct vop2 *vop2 = vp->vop2;
 	struct rockchip_drm_private *private = crtc->dev->dev_private;
-	struct vop2_win *win;
+	const struct vop2_video_port_data *vp_data = &vop2->data->vp[vp->id];
+	struct vop2_video_port *splice_vp = &vop2->vps[vp_data->splice_vp_id];
+	struct drm_crtc_state *crtc_state;
+	struct drm_display_mode *mode;
+	struct vop2_win *win, *splice_win;
 
 	if (on == vp->loader_protect)
 		return 0;
@@ -5090,9 +5094,30 @@ static int vop2_crtc_loader_protect(struct drm_crtc *crtc, bool on)
 		vop2_initial(crtc);
 		if (crtc->primary) {
 			win = to_vop2_win(crtc->primary);
-			if (win->pd && VOP_WIN_GET(vop2, win, enable)) {
-				win->pd->ref_count++;
-				win->pd->vp_mask |= BIT(vp->id);
+			if (VOP_WIN_GET(vop2, win, enable)) {
+				if (win->pd) {
+					win->pd->ref_count++;
+					win->pd->vp_mask |= BIT(vp->id);
+				}
+
+				crtc_state = drm_atomic_get_crtc_state(crtc->state->state, crtc);
+				mode = &crtc_state->adjusted_mode;
+				if (mode->hdisplay > VOP2_MAX_VP_OUTPUT_WIDTH)	{
+					splice_win = vop2_find_win_by_phys_id(vop2,
+									      win->splice_win_id);
+					splice_win->splice_mode_right = true;
+					splice_win->left_win = win;
+					win->splice_win = splice_win;
+					splice_vp->win_mask |=  BIT(splice_win->phys_id);
+					splice_win->vp_mask = BIT(splice_vp->id);
+					vop2->active_vp_mask |= BIT(splice_vp->id);
+
+					if (splice_win->pd &&
+					    VOP_WIN_GET(vop2, splice_win, enable)) {
+						splice_win->pd->ref_count++;
+						splice_win->pd->vp_mask |= BIT(splice_vp->id);
+					}
+				}
 			}
 		}
 		drm_crtc_vblank_on(crtc);