diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
index e4631f515ba4..f9aa8b96c695 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
@@ -1439,11 +1439,15 @@ static void rk3568_set_intf_mux(struct vop2_video_port *vp, int id,
 		die &= ~RK3568_SYS_DSP_INFACE_EN_HDMI_MUX;
 		die |= RK3568_SYS_DSP_INFACE_EN_HDMI |
 			   FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_HDMI_MUX, vp->id);
+		dip &= ~RK3568_DSP_IF_POL__HDMI_PIN_POL;
+		dip |= FIELD_PREP(RK3568_DSP_IF_POL__HDMI_PIN_POL, polflags);
 		break;
 	case ROCKCHIP_VOP2_EP_EDP0:
 		die &= ~RK3568_SYS_DSP_INFACE_EN_EDP_MUX;
 		die |= RK3568_SYS_DSP_INFACE_EN_EDP |
 			   FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_EDP_MUX, vp->id);
+		dip &= ~RK3568_DSP_IF_POL__EDP_PIN_POL;
+		dip |= FIELD_PREP(RK3568_DSP_IF_POL__EDP_PIN_POL, polflags);
 		break;
 	case ROCKCHIP_VOP2_EP_MIPI0:
 		die &= ~RK3568_SYS_DSP_INFACE_EN_MIPI0_MUX;