The field is only used in a safety check during device
connection/disconnection, where the src field can be easily used
instead. Remove it and use src.

Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reic...@collabora.com>
Tested-by: Sebastian Reichel <sebastian.reic...@collabora.com>
---
 drivers/gpu/drm/omapdrm/dss/base.c    | 6 ++----
 drivers/gpu/drm/omapdrm/dss/omapdss.h | 1 -
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/dss/base.c 
b/drivers/gpu/drm/omapdrm/dss/base.c
index 916225d62cc2..76470ba45660 100644
--- a/drivers/gpu/drm/omapdrm/dss/base.c
+++ b/drivers/gpu/drm/omapdrm/dss/base.c
@@ -199,9 +199,8 @@ int omapdss_device_connect(struct dss_device *dss,
        }
 
        if (src) {
-               WARN_ON(src->dst);
+               WARN_ON(dst->src);
                dst->src = src;
-               src->dst = dst;
        }
 
        return 0;
@@ -219,11 +218,10 @@ void omapdss_device_disconnect(struct omap_dss_device 
*src,
        }
 
        if (src) {
-               if (WARN_ON(dst != src->dst))
+               if (WARN_ON(dst->src != src))
                        return;
 
                dst->src = NULL;
-               src->dst = NULL;
        }
 
        WARN_ON(dst->state != OMAP_DSS_DISPLAY_DISABLED);
diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h 
b/drivers/gpu/drm/omapdrm/dss/omapdss.h
index 4cd3874228a5..fc82b8f545ae 100644
--- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
+++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
@@ -406,7 +406,6 @@ struct omap_dss_device {
 
        struct dss_device *dss;
        struct omap_dss_device *src;
-       struct omap_dss_device *dst;
        struct omap_dss_device *next;
 
        struct list_head list;
-- 
Regards,

Laurent Pinchart

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