OMAP: DSS2: Fix error path in omap_dsi_update()

In the case of an error on calling dsi_update_screen_l4(), a
successful framedone callback is still sent to panel-taal. An
error should be returned to taal_update() instead.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index a6e0f647554b..b3fa3a7db911 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -2920,7 +2920,12 @@ int omap_dsi_update(struct omap_dss_device *dssdev,
 
                 dsi_update_screen_dispc(dssdev, x, y, w, h);
         } else {
-                dsi_update_screen_l4(dssdev, x, y, w, h);
+                int r;
+
+                r = dsi_update_screen_l4(dssdev, x, y, w, h);
+                if (r)
+                        return r;
+
                 dsi_perf_show("L4");
                 callback(0, data);
         }