diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index e2aced6..550b329 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1020,6 +1020,8 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	uint32_t dp_reg = I915_READ(intel_dp->output_reg);
 
+	DRM_DEBUG_KMS("start dpms -> %d\n", mode);
+
 	if (mode != DRM_MODE_DPMS_ON) {
 		if (is_edp(intel_dp))
 			ironlake_edp_backlight_off(dev);
@@ -1044,6 +1046,8 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
 		if (is_edp(intel_dp))
 			ironlake_edp_backlight_on(dev);
 	}
+
+	DRM_DEBUG_KMS("finish dpms -> %d\n", mode);
 }
 
 /*
@@ -1577,6 +1581,7 @@ intel_dp_check_link_status(struct intel_dp *intel_dp)
 
 	if (!intel_dp_get_link_status(intel_dp)) {
 		intel_dp_link_down(intel_dp);
+		DRM_DEBUG_KMS("link is down");
 		return;
 	}
 
@@ -1586,12 +1591,18 @@ intel_dp_check_link_status(struct intel_dp *intel_dp)
 				       sizeof (intel_dp->dpcd));
 	if (ret != sizeof(intel_dp->dpcd)) {
 		intel_dp_link_down(intel_dp);
+		DRM_DEBUG_KMS("failed to read DPCD");
 		return;
 	}
 
 	if (!intel_channel_eq_ok(intel_dp)) {
+		DRM_DEBUG_KMS("eq okay");
 		intel_dp_start_link_train(intel_dp);
+		DRM_DEBUG_KMS("start_link_train done");
 		intel_dp_complete_link_train(intel_dp);
+		DRM_DEBUG_KMS("complete_link_train done");
+	} else {
+		DRM_DEBUG_KMS("eq not okay");
 	}
 }
 
@@ -1855,7 +1866,10 @@ intel_dp_hot_plug(struct intel_encoder *intel_encoder)
 {
 	struct intel_dp *intel_dp = container_of(intel_encoder, struct intel_dp, base);
 
+	DRM_DEBUG_KMS("about to check status");
 	intel_dp_check_link_status(intel_dp);
+	DRM_DEBUG_KMS("done checking status");
+
 }
 
 /* Return which DP Port should be selected for Transcoder DP control */