diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index c386ef8eb2006766096ce8aa578a9e8b30e16d89..a54e339947c65d33c9e0e4076d5ca42136b5ce3c 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -3356,6 +3356,9 @@ static void intel_dp_process_phy_request(struct intel_dp *intel_dp,
 
 	intel_dp_autotest_phy_ddi_enable(intel_dp, crtc_state);
 
+	drm_dp_dpcd_write(&intel_dp->aux, DP_TRAINING_LANE0_SET,
+			  intel_dp->train_set, crtc_state->lane_count);
+
 	drm_dp_set_phy_test_pattern(&intel_dp->aux, data,
 				    link_status[DP_DPCD_REV]);
 }