[PATCH v2 2/2] drm: rcar-du: mipi-dsi: Use devm_drm_of_get_bridge helper

[Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>]

Instead of open coding the calls for
  drm_of_find_panel_or_bridge()
  devm_drm_panel_bridge_add()

use the devm_drm_of_get_bridge() helper directly.

Signed-off-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
---
v2:
 - New patch

 drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c | 19 ++++---------------
 1 file changed, 4 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c b/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c
index 0a9f197ef62c..1dfe20d3d0f2 100644
--- a/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c
+++ b/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c
@@ -637,7 +637,7 @@ static int rcar_mipi_dsi_host_attach(struct mipi_dsi_host *host,
 					struct mipi_dsi_device *device)
 {
 	struct rcar_mipi_dsi *dsi = host_to_rcar_mipi_dsi(host);
-	struct drm_panel *panel;
+	struct device *dev = dsi->dev;
 	int ret;
 
 	if (device->lanes > dsi->num_data_lanes)
@@ -646,20 +646,9 @@ static int rcar_mipi_dsi_host_attach(struct mipi_dsi_host *host,
 	dsi->lanes = device->lanes;
 	dsi->format = device->format;
 
-	ret = drm_of_find_panel_or_bridge(dsi->dev->of_node, 1, 0, &panel,
-					  &dsi->next_bridge);
-	if (ret) {
-		dev_err_probe(dsi->dev, ret, "could not find next bridge\n");
-		return ret;
-	}
-
-	if (!dsi->next_bridge) {
-		dsi->next_bridge = devm_drm_panel_bridge_add(dsi->dev, panel);
-		if (IS_ERR(dsi->next_bridge)) {
-			dev_err(dsi->dev, "failed to create panel bridge\n");
-			return PTR_ERR(dsi->next_bridge);
-		}
-	}
+	dsi->next_bridge = devm_drm_of_get_bridge(dev, dev->of_node, 1, 0);
+	if (IS_ERR(dsi->next_bridge))
+		return PTR_ERR(dsi->next_bridge);
 
 	/* Initialize the DRM bridge. */
 	dsi->bridge.funcs = &rcar_mipi_dsi_bridge_ops;
-- 
2.30.2