diff --git a/drivers/gpu/drm/msm/dsi/dsi.c b/drivers/gpu/drm/msm/dsi/dsi.c
index ff8164cc6738..ee07d58c2d97 100644
--- a/drivers/gpu/drm/msm/dsi/dsi.c
+++ b/drivers/gpu/drm/msm/dsi/dsi.c
@@ -83,6 +83,7 @@ static struct msm_dsi *dsi_init(struct platform_device *pdev)
 		return ERR_PTR(-ENOMEM);
 	DBG("dsi probed=%p", msm_dsi);
 
+	msm_dsi->id = -1;
 	msm_dsi->pdev = pdev;
 	platform_set_drvdata(pdev, msm_dsi);
 
diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c
index 5224010d90e4..80aa6344185e 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_manager.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c
@@ -839,6 +839,8 @@ void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi)
 
 	if (msm_dsi->host)
 		msm_dsi_host_unregister(msm_dsi->host);
-	msm_dsim->dsi[msm_dsi->id] = NULL;
+
+	if (msm_dsi->id >= 0)
+		msm_dsim->dsi[msm_dsi->id] = NULL;
 }