/* Chose preferred mode according to line number of TV format  */
static void intel_tv_chose_preferred_modes(struct drm_connector *connector, struct drm_display_mode *mode_ptr)
/* Chose preferred mode according to line number of TV format  */
static void intel_tv_chose_preferred_modes(struct drm_connector *connector, struct drm_display_mode *mode_ptr)
{
	struct intel_output *intel_output = to_intel_output(connector);
	const struct tv_mode *tv_mode = intel_tv_mode_find(intel_output);
	if (tv_mode->nbr_end < 480 && mode_ptr->vdisplay == 480)
		mode_ptr->type |= DRM_MODE_TYPE_PREFERRED;
	else if (tv_mode->nbr_end > 480) {
		if (tv_mode->progressive == true && tv_mode->nbr_end < 720) {
			if (mode_ptr->vdisplay == 720)
				mode_ptr->type |= DRM_MODE_TYPE_PREFERRED;
		} else if (mode_ptr->vdisplay == 1080)
				mode_ptr->type |= DRM_MODE_TYPE_PREFERRED;
	}
}