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

[Kieran Bingham]

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+rene...@ideasonboard.com>
---
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