diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
index e70b0a745792..7688f74955f7 100644
--- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
+++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
@@ -2012,7 +2012,6 @@ static const struct vop_ctrl rk3506_ctrl_data = {
 	.dsp_interlace = VOP_REG(RK3366_LIT_DSP_CTRL2, 0x1, 0),
 	.dsp_interlace_pol = VOP_REG(RK3366_LIT_DSP_CTRL2, 0x1, 1),
 	.dither_up_en = VOP_REG(RK3366_LIT_DSP_CTRL2, 0x1, 2),
-	.overlay_mode = VOP_REG(RK3366_LIT_DSP_CTRL2, 0x1, 4),
 	.dsp_lut_en = VOP_REG(RK3366_LIT_DSP_CTRL2, 0x1, 5),
 	.dither_down_mode = VOP_REG(RK3366_LIT_DSP_CTRL2, 0x1, 6),
 	.dither_down_sel = VOP_REG(RK3366_LIT_DSP_CTRL2, 0x1, 7),