diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
index 4af561d202d5..55c2f871daee 100644
--- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
+++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
@@ -134,7 +134,7 @@ static const struct vop_win_phy rk3288_win23_data = {
 	.rb_swap = VOP_REG(RK3288_WIN2_CTRL0, 0x1, 12),
 	.dsp_info = VOP_REG(RK3288_WIN2_DSP_INFO0, 0x0fff0fff, 0),
 	.dsp_st = VOP_REG(RK3288_WIN2_DSP_ST0, 0x1fff1fff, 0),
-	.yrgb_mst = VOP_REG(RK3288_WIN2_MST0, 0xffff, 0),
+	.yrgb_mst = VOP_REG(RK3288_WIN2_MST0, 0xffffffff, 0),
 	.yrgb_vir = VOP_REG(RK3288_WIN2_VIR0_1, 0x1fff, 0),
 	.src_alpha_ctl = VOP_REG(RK3288_WIN2_SRC_ALPHA_CTRL, 0xffff, 0),
 	.global_alpha_val = VOP_REG(RK3288_WIN2_SRC_ALPHA_CTRL, 0xff, 16),