Create function omapdss_sdi_set_timings(), this can be used by a SDI panel
driver without disabling/enabling the SDI interface. This is similar to the
set_timings op of the DPI interface driver. It calls sdi_set_mode() which only
configures the DISPC timings and DSS/DISPC clock dividers.

Signed-off-by: Archit Taneja <[email protected]>
---
 drivers/video/omap2/displays/panel-acx565akm.c |   13 +------------
 drivers/video/omap2/dss/sdi.c                  |   19 +++++++++++++++++++
 include/video/omapdss.h                        |    2 ++
 3 files changed, 22 insertions(+), 12 deletions(-)

diff --git a/drivers/video/omap2/displays/panel-acx565akm.c 
b/drivers/video/omap2/displays/panel-acx565akm.c
index eaeed43..11bdc88 100644
--- a/drivers/video/omap2/displays/panel-acx565akm.c
+++ b/drivers/video/omap2/displays/panel-acx565akm.c
@@ -731,18 +731,7 @@ static int acx_panel_resume(struct omap_dss_device *dssdev)
 static void acx_panel_set_timings(struct omap_dss_device *dssdev,
                struct omap_video_timings *timings)
 {
-       int r;
-
-       if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
-               omapdss_sdi_display_disable(dssdev);
-
-       dssdev->panel.timings = *timings;
-
-       if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
-               r = omapdss_sdi_display_enable(dssdev);
-               if (r)
-                       dev_err(&dssdev->dev, "%s enable failed\n", __func__);
-       }
+       omapdss_sdi_set_timings(dssdev, timings);
 }
 
 static int acx_panel_check_timings(struct omap_dss_device *dssdev,
diff --git a/drivers/video/omap2/dss/sdi.c b/drivers/video/omap2/dss/sdi.c
index f2d3f45..d88243f 100644
--- a/drivers/video/omap2/dss/sdi.c
+++ b/drivers/video/omap2/dss/sdi.c
@@ -155,6 +155,25 @@ void omapdss_sdi_display_disable(struct omap_dss_device 
*dssdev)
 }
 EXPORT_SYMBOL(omapdss_sdi_display_disable);
 
+void omapdss_sdi_set_timings(struct omap_dss_device *dssdev,
+               struct omap_video_timings *timings)
+{
+       int r;
+
+       dssdev->panel.timings = *timings;
+
+       if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
+               r = dispc_runtime_get();
+               if (r)
+                       return;
+
+               sdi_set_mode(dssdev);
+
+               dispc_runtime_put();
+       }
+}
+EXPORT_SYMBOL(omapdss_sdi_set_timings);
+
 static int __init sdi_init_display(struct omap_dss_device *dssdev)
 {
        DSSDBG("SDI init\n");
diff --git a/include/video/omapdss.h b/include/video/omapdss.h
index a2cd133..54ba639 100644
--- a/include/video/omapdss.h
+++ b/include/video/omapdss.h
@@ -760,6 +760,8 @@ int dpi_check_timings(struct omap_dss_device *dssdev,
 
 int omapdss_sdi_display_enable(struct omap_dss_device *dssdev);
 void omapdss_sdi_display_disable(struct omap_dss_device *dssdev);
+void omapdss_sdi_set_timings(struct omap_dss_device *dssdev,
+               struct omap_video_timings *timings);
 
 int omapdss_rfbi_display_enable(struct omap_dss_device *dssdev);
 void omapdss_rfbi_display_disable(struct omap_dss_device *dssdev);
-- 
1.7.9.5

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