diff --git a/drivers/video/msm/mdp4_overlay_dsi_cmd.c b/drivers/video/msm/mdp4_overlay_dsi_cmd.c
index 51f955aa05aa..aa6850efe475 100644
--- a/drivers/video/msm/mdp4_overlay_dsi_cmd.c
+++ b/drivers/video/msm/mdp4_overlay_dsi_cmd.c
@@ -1210,7 +1210,9 @@ void mdp4_dsi_cmd_overlay(struct msm_fb_data_type *mfd)
 
 	mdp4_overlay_mdp_perf_upd(mfd, 1);
 
+	mutex_lock(&mfd->dma->ov_mutex);
 	mdp4_dsi_cmd_pipe_commit(cndx, 0);
+	mutex_unlock(&mfd->dma->ov_mutex);
 
 	mdp4_overlay_mdp_perf_upd(mfd, 0);
 	mutex_unlock(&mfd->dma->ov_mutex);
diff --git a/drivers/video/msm/mdp4_overlay_dsi_video.c b/drivers/video/msm/mdp4_overlay_dsi_video.c
index 2deef955134b..e7b457ec5f20 100644
--- a/drivers/video/msm/mdp4_overlay_dsi_video.c
+++ b/drivers/video/msm/mdp4_overlay_dsi_video.c
@@ -1150,6 +1150,7 @@ void mdp4_dsi_video_overlay(struct msm_fb_data_type *mfd)
 
 	mutex_lock(&mfd->dma->ov_mutex);
 	mdp4_dsi_video_pipe_commit(0, 0);
+	mutex_unlock(&mfd->dma->ov_mutex);
 
 	if (pipe->ov_blt_addr)
 		mdp4_dsi_video_wait4ov(0);