[PATCH 2/3] drm/vc4: dpi: Switch to devm_drm_of_get_bridge

[Maxime Ripard]

The new devm_drm_of_get_bridge removes most of the boilerplate we
have to deal with. Let's switch to it.

Signed-off-by: Maxime Ripard <maxime at cerno.tech>
---
 drivers/gpu/drm/vc4/vc4_dpi.c | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/vc4/vc4_dpi.c b/drivers/gpu/drm/vc4/vc4_dpi.c
index a90f2545baee..c180eb60bee8 100644
--- a/drivers/gpu/drm/vc4/vc4_dpi.c
+++ b/drivers/gpu/drm/vc4/vc4_dpi.c
@@ -229,26 +229,19 @@ static const struct of_device_id vc4_dpi_dt_match[] = {
 static int vc4_dpi_init_bridge(struct vc4_dpi *dpi)
 {
 	struct device *dev = &dpi->pdev->dev;
-	struct drm_panel *panel;
 	struct drm_bridge *bridge;
-	int ret;
 
-	ret = drm_of_find_panel_or_bridge(dev->of_node, 0, 0,
-					  &panel, &bridge);
-	if (ret) {
+	bridge = devm_drm_of_get_bridge(dev, dev->of_node, 0, 0);
+	if (IS_ERR(bridge)) {
 		/* If nothing was connected in the DT, that's not an
 		 * error.
 		 */
-		if (ret == -ENODEV)
+		if (PTR_ERR(bridge) == -ENODEV)
 			return 0;
 		else
-			return ret;
+			return PTR_ERR(bridge);
 	}
 
-	if (panel)
-		bridge = drm_panel_bridge_add_typed(panel,
-						    DRM_MODE_CONNECTOR_DPI);
-
 	return drm_bridge_attach(dpi->encoder, bridge, NULL, 0);
 }
 
-- 
2.31.1