drm/msm/mdp5: fix crash in error/unload paths

Signed-off-by: Rob Clark <robdclark@gmail.com>

diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
index 47f7bbb9c15ace7bec2606c7d550f30e480c20b1..f3daec4412ad3e9fd6b8f7303a2b27280df7442c 100644 (file)
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
@@ -85,8 +85,11 @@ static int mdp5_plane_disable(struct drm_plane *plane)
 static void mdp5_plane_destroy(struct drm_plane *plane)
 {
        struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
+       struct msm_drm_private *priv = plane->dev->dev_private;
+
+       if (priv->kms)
+               mdp5_plane_disable(plane);
 
-       mdp5_plane_disable(plane);
        drm_plane_cleanup(plane);
 
        kfree(mdp5_plane);