Now that omap_dss_output has been combined into omap_dss_device, we can
add ref counting for the relevant output functions also.

This patch adds omap_dss_get_device() calls to the various find_output()
style functions. This, of course, means that the users of those
find_output functions need to do a omap_dss_put_device() after use.

Signed-off-by: Tomi Valkeinen <[email protected]>
---
 drivers/gpu/drm/omapdrm/omap_drv.c |  2 ++
 drivers/video/omap2/dss/output.c   | 13 +++++++++----
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c 
b/drivers/gpu/drm/omapdrm/omap_drv.c
index a72100c..4c0bc40 100644
--- a/drivers/gpu/drm/omapdrm/omap_drv.c
+++ b/drivers/gpu/drm/omapdrm/omap_drv.c
@@ -277,6 +277,8 @@ static int omap_modeset_init(struct drm_device *dev)
                        if (supported_outputs & output->id)
                                encoder->possible_crtcs |= (1 << id);
                }
+
+               omap_dss_put_device(output);
        }
 
        DBG("registered %d planes, %d crtcs, %d encoders and %d connectors\n",
diff --git a/drivers/video/omap2/dss/output.c b/drivers/video/omap2/dss/output.c
index cc81fec..9ad7d21 100644
--- a/drivers/video/omap2/dss/output.c
+++ b/drivers/video/omap2/dss/output.c
@@ -121,7 +121,7 @@ struct omap_dss_device *omap_dss_find_output(const char 
*name)
 
        list_for_each_entry(out, &output_list, list) {
                if (strcmp(out->name, name) == 0)
-                       return out;
+                       return omap_dss_get_device(out);
        }
 
        return NULL;
@@ -134,7 +134,7 @@ struct omap_dss_device *omap_dss_find_output_by_node(struct 
device_node *node)
 
        list_for_each_entry(out, &output_list, list) {
                if (out->dev->of_node == node)
-                       return out;
+                       return omap_dss_get_device(out);
        }
 
        return NULL;
@@ -143,20 +143,25 @@ EXPORT_SYMBOL(omap_dss_find_output_by_node);
 
 struct omap_dss_device *omapdss_find_output_from_display(struct 
omap_dss_device *dssdev)
 {
-       return dssdev->output;
+       return omap_dss_get_device(dssdev->output);
 }
 EXPORT_SYMBOL(omapdss_find_output_from_display);
 
 struct omap_overlay_manager *omapdss_find_mgr_from_display(struct 
omap_dss_device *dssdev)
 {
        struct omap_dss_device *out;
+       struct omap_overlay_manager *mgr;
 
        out = omapdss_find_output_from_display(dssdev);
 
        if (out == NULL)
                return NULL;
 
-       return out->manager;
+       mgr = out->manager;
+
+       omap_dss_put_device(out);
+
+       return mgr;
 }
 EXPORT_SYMBOL(omapdss_find_mgr_from_display);
 
-- 
1.8.1.2

--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to