drm/omap: Remove src field from omap_dss_device structure

The field is only used to check whether the device is connected, and we
can do so by checking the dss field instead. Remove the src field.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

2 files changed, 1 insertions, 14 deletions

diff --git a/drivers/gpu/drm/omapdrm/dss/base.c b/drivers/gpu/drm/omapdrm/dss/base.c
index 76470ba45660..62ccbeb99a84 100644
--- a/drivers/gpu/drm/omapdrm/dss/base.c
+++ b/drivers/gpu/drm/omapdrm/dss/base.c
@@ -176,7 +176,7 @@ EXPORT_SYMBOL(omapdss_device_next_output);
 
 static bool omapdss_device_is_connected(struct omap_dss_device *dssdev)
 {
-        return dssdev->src;
+        return dssdev->dss;
 }
 
 int omapdss_device_connect(struct dss_device *dss,
@@ -198,11 +198,6 @@ int omapdss_device_connect(struct dss_device *dss,
                 return ret;
         }
 
-        if (src) {
-                WARN_ON(dst->src);
-                dst->src = src;
-        }
-
         return 0;
 }
 EXPORT_SYMBOL_GPL(omapdss_device_connect);
@@ -217,13 +212,6 @@ void omapdss_device_disconnect(struct omap_dss_device *src,
                 return;
         }
 
-        if (src) {
-                if (WARN_ON(dst->src != src))
-                        return;
-
-                dst->src = NULL;
-        }
-
         WARN_ON(dst->state != OMAP_DSS_DISPLAY_DISABLED);
 
         dst->ops->disconnect(src, dst);
diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h
index dd93c2121a35..015b2dd9fb99 100644
--- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
+++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
@@ -409,7 +409,6 @@ struct omap_dss_device {
         struct module *owner;
 
         struct dss_device *dss;
-        struct omap_dss_device *src;
         struct omap_dss_device *next;
 
         struct list_head list;