1 files changed, 7 insertions, 7 deletions

diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c
index b7505879b1f7..43db2e9ac575 100644
--- a/drivers/gpu/drm/i915/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/intel_dp_mst.c
@@ -166,6 +166,8 @@ static void intel_mst_post_disable_dp(struct intel_encoder *encoder,
 	struct intel_connector *connector =
 		to_intel_connector(old_conn_state->connector);
 
+	intel_ddi_disable_pipe_clock(old_crtc_state);
+
 	/* this can fail */
 	drm_dp_check_act_status(&intel_dp->mst_mgr);
 	/* and this can also fail */
@@ -241,17 +243,16 @@ static void intel_mst_pre_enable_dp(struct intel_encoder *encoder,
 				       connector->port,
 				       pipe_config->pbn,
 				       pipe_config->dp_m_n.tu);
-	if (ret == false) {
+	if (!ret)
 		DRM_ERROR("failed to allocate vcpi\n");
-		return;
-	}
-
 
 	intel_dp->active_mst_links++;
 	temp = I915_READ(DP_TP_STATUS(port));
 	I915_WRITE(DP_TP_STATUS(port), temp);
 
 	ret = drm_dp_update_payload_part1(&intel_dp->mst_mgr);
+
+	intel_ddi_enable_pipe_clock(pipe_config);
 }
 
 static void intel_mst_enable_dp(struct intel_encoder *encoder,
@@ -263,7 +264,6 @@ static void intel_mst_enable_dp(struct intel_encoder *encoder,
 	struct intel_dp *intel_dp = &intel_dig_port->dp;
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	enum port port = intel_dig_port->base.port;
-	int ret;
 
 	DRM_DEBUG_KMS("active links %d\n", intel_dp->active_mst_links);
 
@@ -274,9 +274,9 @@ static void intel_mst_enable_dp(struct intel_encoder *encoder,
 				    1))
 		DRM_ERROR("Timed out waiting for ACT sent\n");
 
-	ret = drm_dp_check_act_status(&intel_dp->mst_mgr);
+	drm_dp_check_act_status(&intel_dp->mst_mgr);
 
-	ret = drm_dp_update_payload_part2(&intel_dp->mst_mgr);
+	drm_dp_update_payload_part2(&intel_dp->mst_mgr);
 	if (pipe_config->has_audio)
 		intel_audio_codec_enable(encoder, pipe_config, conn_state);
 }