1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/drm/omapdrm/dss/base.c b/drivers/gpu/drm/omapdrm/dss/base.c
index 02c6ed97d632..89472715ee8f 100644
--- a/drivers/gpu/drm/omapdrm/dss/base.c
+++ b/drivers/gpu/drm/omapdrm/dss/base.c
@@ -235,6 +235,8 @@ void omapdss_device_disconnect(struct omap_dss_device *src,
                 src->dst = NULL;
         }
 
+        WARN_ON(dst->state != OMAP_DSS_DISPLAY_DISABLED);
+
         if (dst->driver)
                 dst->driver->disconnect(src, dst);
         else