diff --git a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c
index b25cd88..7642662 100644
--- a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c
+++ b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c
@@ -228,7 +228,7 @@ static void intel_dp_aux_enable_backlight(const struct intel_crtc_state *crtc_st

        if (i915.enable_dbc &&
            (intel_dp->edp_dpcd[2] & DP_EDP_DYNAMIC_BACKLIGHT_CAP)) {
-               if(intel_dp_aux_set_dynamic_backlight_percent(intel_dp, 0, 100)) {
+               if(intel_dp_aux_set_dynamic_backlight_percent(intel_dp, 80, 100)) {
                        new_dpcd_buf |= DP_EDP_DYNAMIC_BACKLIGHT_ENABLE;
                        DRM_DEBUG_KMS("Enable dynamic brightness.\n");