drm/omap: dss: Store dss_device pointer in omap_dss_device

Storing the dss_device pointer in the omap_dss_device structure will
allow accessing the dss_device from the dss_mgr API functions.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c

@@ -53,7 +53,7 @@ static int tvc_connect(struct omap_dss_device *dssdev)
 		return PTR_ERR(src);
 	}
 
-	r = omapdss_device_connect(src, dssdev);
+	r = omapdss_device_connect(dssdev->dss, src, dssdev);
 	if (r) {
 		omapdss_device_put(src);
 		return r;

drivers/gpu/drm/omapdrm/displays/connector-dvi.c

@@ -67,7 +67,7 @@ static int dvic_connect(struct omap_dss_device *dssdev)
 		return PTR_ERR(src);
 	}
 
-	r = omapdss_device_connect(src, dssdev);
+	r = omapdss_device_connect(dssdev->dss, src, dssdev);
 	if (r) {
 		omapdss_device_put(src);
 		return r;

drivers/gpu/drm/omapdrm/displays/connector-hdmi.c

@@ -63,7 +63,7 @@ static int hdmic_connect(struct omap_dss_device *dssdev)
 		return PTR_ERR(src);
 	}
 
-	r = omapdss_device_connect(src, dssdev);
+	r = omapdss_device_connect(dssdev->dss, src, dssdev);
 	if (r) {
 		omapdss_device_put(src);
 		return r;

drivers/gpu/drm/omapdrm/displays/encoder-opa362.c

@@ -43,7 +43,7 @@ static int opa362_connect(struct omap_dss_device *dssdev,
 		return PTR_ERR(src);
 	}
 
-	r = omapdss_device_connect(src, dssdev);
+	r = omapdss_device_connect(dssdev->dss, src, dssdev);
 	if (r) {
 		omapdss_device_put(src);
 		return r;

drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c

@@ -39,7 +39,7 @@ static int tfp410_connect(struct omap_dss_device *dssdev,
 		return PTR_ERR(src);
 	}
 
-	r = omapdss_device_connect(src, dssdev);
+	r = omapdss_device_connect(dssdev->dss, src, dssdev);
 	if (r) {
 		omapdss_device_put(src);
 		return r;

drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c

@@ -48,7 +48,7 @@ static int tpd_connect(struct omap_dss_device *dssdev,
 		return PTR_ERR(src);
 	}
 
-	r = omapdss_device_connect(src, dssdev);
+	r = omapdss_device_connect(dssdev->dss, src, dssdev);
 	if (r) {
 		omapdss_device_put(src);
 		return r;

drivers/gpu/drm/omapdrm/displays/panel-dpi.c

@@ -45,7 +45,7 @@ static int panel_dpi_connect(struct omap_dss_device *dssdev)
 		return PTR_ERR(src);
 	}
 
-	r = omapdss_device_connect(src, dssdev);
+	r = omapdss_device_connect(dssdev->dss, src, dssdev);
 	if (r) {
 		omapdss_device_put(src);
 		return r;

drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c

@@ -769,7 +769,7 @@ static int dsicm_connect(struct omap_dss_device *dssdev)
 		return PTR_ERR(src);
 	}
 
-	r = omapdss_device_connect(src, dssdev);
+	r = omapdss_device_connect(dssdev->dss, src, dssdev);
 	if (r) {
 		dev_err(dev, "Failed to connect to video source\n");
 		goto err_connect;

drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c

@@ -127,7 +127,7 @@ static int lb035q02_connect(struct omap_dss_device *dssdev)
 		return PTR_ERR(src);
 	}
 
-	r = omapdss_device_connect(src, dssdev);
+	r = omapdss_device_connect(dssdev->dss, src, dssdev);
 	if (r) {
 		omapdss_device_put(src);
 		return r;

drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c

@@ -122,7 +122,7 @@ static int nec_8048_connect(struct omap_dss_device *dssdev)
 		return PTR_ERR(src);
 	}
 
-	r = omapdss_device_connect(src, dssdev);
+	r = omapdss_device_connect(dssdev->dss, src, dssdev);
 	if (r) {
 		omapdss_device_put(src);
 		return r;

drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c

@@ -68,7 +68,7 @@ static int sharp_ls_connect(struct omap_dss_device *dssdev)
 		return PTR_ERR(src);
 	}
 
-	r = omapdss_device_connect(src, dssdev);
+	r = omapdss_device_connect(dssdev->dss, src, dssdev);
 	if (r) {
 		omapdss_device_put(src);
 		return r;

drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c

@@ -517,7 +517,7 @@ static int acx565akm_connect(struct omap_dss_device *dssdev)
 		return PTR_ERR(src);
 	}
 
-	r = omapdss_device_connect(src, dssdev);
+	r = omapdss_device_connect(dssdev->dss, src, dssdev);
 	if (r) {
 		omapdss_device_put(src);
 		return r;

drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c

@@ -176,7 +176,7 @@ static int td028ttec1_panel_connect(struct omap_dss_device *dssdev)
 		return PTR_ERR(src);
 	}
 
-	r = omapdss_device_connect(src, dssdev);
+	r = omapdss_device_connect(dssdev->dss, src, dssdev);
 	if (r) {
 		omapdss_device_put(src);
 		return r;

drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c

@@ -347,7 +347,7 @@ static int tpo_td043_connect(struct omap_dss_device *dssdev)
 		return PTR_ERR(src);
 	}
 
-	r = omapdss_device_connect(src, dssdev);
+	r = omapdss_device_connect(dssdev->dss, src, dssdev);
 	if (r) {
 		omapdss_device_put(src);
 		return r;

drivers/gpu/drm/omapdrm/dss/base.c

@@ -177,7 +177,8 @@ struct omap_dss_device *omapdss_device_get_next(struct omap_dss_device *from,
 }
 EXPORT_SYMBOL(omapdss_device_get_next);
 
-int omapdss_device_connect(struct omap_dss_device *src,
+int omapdss_device_connect(struct dss_device *dss,
+			   struct omap_dss_device *src,
 			   struct omap_dss_device *dst)
 {
 	int ret;
@@ -187,13 +188,17 @@ int omapdss_device_connect(struct omap_dss_device *src,
 	if (omapdss_device_is_connected(src))
 		return -EBUSY;
 
+	src->dss = dss;
+
 	if (src->driver)
 		ret = src->driver->connect(src);
 	else
 		ret = src->ops->connect(src, dst);
 
-	if (ret < 0)
+	if (ret < 0) {
+		src->dss = NULL;
 		return ret;
+	}
 
 	if (dst) {
 		dst->src = src;
@@ -226,6 +231,8 @@ void omapdss_device_disconnect(struct omap_dss_device *src,
 		src->driver->disconnect(src);
 	else
 		src->ops->disconnect(src, dst);
+
+	src->dss = NULL;
 }
 EXPORT_SYMBOL_GPL(omapdss_device_disconnect);
 

drivers/gpu/drm/omapdrm/dss/omapdss.h

@@ -391,6 +391,7 @@ struct omap_dss_device {
 
 	struct module *owner;
 
+	struct dss_device *dss;
 	struct omap_dss_device *src;
 	struct omap_dss_device *dst;
 
@@ -498,7 +499,8 @@ struct omap_dss_device *omapdss_find_device_by_port(struct device_node *src,
 						    unsigned int port);
 struct omap_dss_device *omapdss_device_get_next(struct omap_dss_device *from,
 						bool display_only);
-int omapdss_device_connect(struct omap_dss_device *src,
+int omapdss_device_connect(struct dss_device *dss,
+			   struct omap_dss_device *src,
 			   struct omap_dss_device *dst);
 void omapdss_device_disconnect(struct omap_dss_device *src,
 			       struct omap_dss_device *dst);

drivers/gpu/drm/omapdrm/omap_drv.c

@@ -189,7 +189,7 @@ static int omap_connect_dssdevs(struct drm_device *ddev)
 		return -EPROBE_DEFER;
 
 	for_each_dss_display(dssdev) {
-		r = omapdss_device_connect(dssdev, NULL);
+		r = omapdss_device_connect(priv->dss, dssdev, NULL);
 		if (r == -EPROBE_DEFER) {
 			omapdss_device_put(dssdev);
 			goto cleanup;