1 files changed, 18 insertions, 0 deletions

diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index e00502ea46e5..af4b0b03b745 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -736,6 +736,8 @@ static int taal_enable_te(struct omap_dss_device *dssdev, bool enable)
         struct taal_data *td = dev_get_drvdata(&dssdev->dev);
         int r;
 
+        dsi_bus_lock();
+
         td->te_enabled = enable;
 
         if (enable)
@@ -743,9 +745,23 @@ static int taal_enable_te(struct omap_dss_device *dssdev, bool enable)
         else
                 r = taal_dcs_write_0(DCS_TEAR_OFF);
 
+        omapdss_dsi_enable_te(dssdev, enable);
+
+        /* XXX for some reason, DSI TE breaks if we don't wait here.
+         * Panel bug? Needs more studying */
+        msleep(100);
+
+        dsi_bus_unlock();
+
         return r;
 }
 
+static int taal_get_te(struct omap_dss_device *dssdev)
+{
+        struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+        return td->te_enabled;
+}
+
 static int taal_wait_te(struct omap_dss_device *dssdev)
 {
         struct taal_data *td = dev_get_drvdata(&dssdev->dev);
@@ -993,7 +1009,9 @@ static struct omap_dss_driver taal_driver = {
         .get_recommended_bpp = omapdss_default_get_recommended_bpp,
 
         .enable_te      = taal_enable_te,
+        .get_te         = taal_get_te,
         .wait_for_te    = taal_wait_te,
+
         .set_rotate     = taal_rotate,
         .get_rotate     = taal_get_rotate,
         .set_mirror     = taal_mirror,