drm/omap: displays: Remove input omap_dss_device from panel data

All connectors, encoders and panels store a pointer to their input
omap_dss_device in the panel driver data structure. This duplicates the
src field in the omap_dss_device structure. Remove the private copy and
use the src field.

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>

1 files changed, 18 insertions, 23 deletions

diff --git a/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c b/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c
index ea4cdc8bd2f8..2e54ac115dbc 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c
@@ -45,7 +45,6 @@ static const struct videomode lb035q02_vm = {
 
 struct panel_drv_data {
 	struct omap_dss_device dssdev;
-	struct omap_dss_device *in;
 
 	struct spi_device *spi;
 
@@ -119,42 +118,39 @@ static void init_lb035q02_panel(struct spi_device *spi)
 static int lb035q02_connect(struct omap_dss_device *dssdev)
 {
 	struct panel_drv_data *ddata = to_panel_data(dssdev);
-	struct omap_dss_device *in;
+	struct omap_dss_device *src;
 	int r;
 
-	in = omapdss_of_find_source_for_first_ep(dssdev->dev->of_node);
-	if (IS_ERR(in)) {
+	src = omapdss_of_find_source_for_first_ep(dssdev->dev->of_node);
+	if (IS_ERR(src)) {
 		dev_err(dssdev->dev, "failed to find video source\n");
-		return PTR_ERR(in);
+		return PTR_ERR(src);
 	}
 
-	r = omapdss_device_connect(in, dssdev);
+	r = omapdss_device_connect(src, dssdev);
 	if (r) {
-		omap_dss_put_device(in);
+		omap_dss_put_device(src);
 		return r;
 	}
 
 	init_lb035q02_panel(ddata->spi);
 
-	ddata->in = in;
 	return 0;
 }
 
 static void lb035q02_disconnect(struct omap_dss_device *dssdev)
 {
-	struct panel_drv_data *ddata = to_panel_data(dssdev);
-	struct omap_dss_device *in = ddata->in;
+	struct omap_dss_device *src = dssdev->src;
 
-	omapdss_device_disconnect(in, dssdev);
+	omapdss_device_disconnect(src, dssdev);
 
-	omap_dss_put_device(in);
-	ddata->in = NULL;
+	omap_dss_put_device(src);
 }
 
 static int lb035q02_enable(struct omap_dss_device *dssdev)
 {
 	struct panel_drv_data *ddata = to_panel_data(dssdev);
-	struct omap_dss_device *in = ddata->in;
+	struct omap_dss_device *src = dssdev->src;
 	int r;
 
 	if (!omapdss_device_is_connected(dssdev))
@@ -163,9 +159,9 @@ static int lb035q02_enable(struct omap_dss_device *dssdev)
 	if (omapdss_device_is_enabled(dssdev))
 		return 0;
 
-	in->ops->set_timings(in, &ddata->vm);
+	src->ops->set_timings(src, &ddata->vm);
 
-	r = in->ops->enable(in);
+	r = src->ops->enable(src);
 	if (r)
 		return r;
 
@@ -180,7 +176,7 @@ static int lb035q02_enable(struct omap_dss_device *dssdev)
 static void lb035q02_disable(struct omap_dss_device *dssdev)
 {
 	struct panel_drv_data *ddata = to_panel_data(dssdev);
-	struct omap_dss_device *in = ddata->in;
+	struct omap_dss_device *src = dssdev->src;
 
 	if (!omapdss_device_is_enabled(dssdev))
 		return;
@@ -188,7 +184,7 @@ static void lb035q02_disable(struct omap_dss_device *dssdev)
 	if (ddata->enable_gpio)
 		gpiod_set_value_cansleep(ddata->enable_gpio, 0);
 
-	in->ops->disable(in);
+	src->ops->disable(src);
 
 	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
 }
@@ -197,11 +193,11 @@ static void lb035q02_set_timings(struct omap_dss_device *dssdev,
 				 struct videomode *vm)
 {
 	struct panel_drv_data *ddata = to_panel_data(dssdev);
-	struct omap_dss_device *in = ddata->in;
+	struct omap_dss_device *src = dssdev->src;
 
 	ddata->vm = *vm;
 
-	in->ops->set_timings(in, vm);
+	src->ops->set_timings(src, vm);
 }
 
 static void lb035q02_get_timings(struct omap_dss_device *dssdev,
@@ -215,10 +211,9 @@ static void lb035q02_get_timings(struct omap_dss_device *dssdev,
 static int lb035q02_check_timings(struct omap_dss_device *dssdev,
 				  struct videomode *vm)
 {
-	struct panel_drv_data *ddata = to_panel_data(dssdev);
-	struct omap_dss_device *in = ddata->in;
+	struct omap_dss_device *src = dssdev->src;
 
-	return in->ops->check_timings(in, vm);
+	return src->ops->check_timings(src, vm);
 }
 
 static const struct omap_dss_driver lb035q02_ops = {