linux-kernel - [PATCH] drm: rcar-du: switch to devm_drm_of_get

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Date:   Mon, 21 Feb 2022 08:37:57 +0100
From:   José Expósito <jose.exposito89@...il.com>
To:     laurent.pinchart@...asonboard.com
Cc:     kieran.bingham+renesas@...asonboard.com, airlied@...ux.ie,
        daniel@...ll.ch, maxime@...no.tech,
        dri-devel@...ts.freedesktop.org, linux-renesas-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        José Expósito <jose.exposito89@...il.com>
Subject: [PATCH] drm: rcar-du: switch to devm_drm_of_get_bridge

The function "drm_of_find_panel_or_bridge" has been deprecated in
favor of "devm_drm_of_get_bridge".

Switch to the new function and reduce boilerplate.

Signed-off-by: José Expósito <jose.exposito89@...il.com>
---
 drivers/gpu/drm/rcar-du/rcar_lvds.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/rcar-du/rcar_lvds.c b/drivers/gpu/drm/rcar-du/rcar_lvds.c
index 72a272cfc11e..99b0febc56d1 100644
--- a/drivers/gpu/drm/rcar-du/rcar_lvds.c
+++ b/drivers/gpu/drm/rcar-du/rcar_lvds.c
@@ -712,18 +712,12 @@ static int rcar_lvds_parse_dt(struct rcar_lvds *lvds)
 {
 	int ret;
 
-	ret = drm_of_find_panel_or_bridge(lvds->dev->of_node, 1, 0,
-					  &lvds->panel, &lvds->next_bridge);
-	if (ret)
+	lvds->next_bridge = devm_drm_of_get_bridge(lvds->dev,
+						   lvds->dev->of_node,
+						   1, 0);
+	if (IS_ERR(lvds->next_bridge)) {
+		ret = -EINVAL;
 		goto done;
-
-	if (lvds->panel) {
-		lvds->next_bridge = devm_drm_panel_bridge_add(lvds->dev,
-							      lvds->panel);
-		if (IS_ERR_OR_NULL(lvds->next_bridge)) {
-			ret = -EINVAL;
-			goto done;
-		}
 	}
 
 	if (lvds->info->quirks & RCAR_LVDS_QUIRK_DUAL_LINK)
-- 
2.25.1