[PATCH 10/29] drm/omap: Remove omap_dss_device dst field

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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.pinchart@xxxxxxxxxxxxxxxx>
---
 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 61a231d2fef3..8454e505b282 100644
--- a/drivers/gpu/drm/omapdrm/dss/base.c
+++ b/drivers/gpu/drm/omapdrm/dss/base.c
@@ -210,9 +210,8 @@ 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;
@@ -230,11 +229,10 @@ 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 4c0980999576..28e24d65f211 100644
--- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
+++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
@@ -411,7 +411,6 @@ 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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