diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 563d6cfb8b8a..be3c00b3a0b7 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -3268,6 +3268,9 @@ static void vop_crtc_atomic_enable(struct drm_crtc *crtc,
 		vop_mcu_mode(crtc);
 
 	dclk_inv = (s->bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE) ? 1 : 0;
+	/* For improving signal quality, dclk need to be inverted by default on rv1106. */
+	if ((VOP_MAJOR(vop->version) == 2 && VOP_MINOR(vop->version) == 12))
+		dclk_inv = !dclk_inv;
 
 	VOP_CTRL_SET(vop, dclk_pol, dclk_inv);
 	val = (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC) ?