linux-kernel - [PATCH] drm/bridge: parade-ps8640: switch to devm_drm_of_get

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Message-Id: <20220228183131.23494-1-jose.exposito89@gmail.com>
Date:   Mon, 28 Feb 2022 19:31:31 +0100
From:   José Expósito <jose.exposito89@...il.com>
To:     andrzej.hajda@...el.com
Cc:     narmstrong@...libre.com, robert.foss@...aro.org,
        Laurent.pinchart@...asonboard.com, jonas@...boo.se,
        jernej.skrabec@...il.com, airlied@...ux.ie, daniel@...ll.ch,
        matthias.bgg@...il.com, maxime@...no.tech,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        José Expósito <jose.exposito89@...il.com>
Subject: [PATCH] drm/bridge: parade-ps8640: 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/bridge/parade-ps8640.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c b/drivers/gpu/drm/bridge/parade-ps8640.c
index 818704bf5e86..1c2c4dd50ce0 100644
--- a/drivers/gpu/drm/bridge/parade-ps8640.c
+++ b/drivers/gpu/drm/bridge/parade-ps8640.c
@@ -566,7 +566,6 @@ static int ps8640_probe(struct i2c_client *client)
 	struct device *dev = &client->dev;
 	struct device_node *np = dev->of_node;
 	struct ps8640 *ps_bridge;
-	struct drm_panel *panel;
 	int ret;
 	u32 i;
 
@@ -651,13 +650,7 @@ static int ps8640_probe(struct i2c_client *client)
 	devm_of_dp_aux_populate_ep_devices(&ps_bridge->aux);
 
 	/* port@1 is ps8640 output port */
-	ret = drm_of_find_panel_or_bridge(np, 1, 0, &panel, NULL);
-	if (ret < 0)
-		return ret;
-	if (!panel)
-		return -ENODEV;
-
-	ps_bridge->panel_bridge = devm_drm_panel_bridge_add(dev, panel);
+	ps_bridge->panel_bridge = devm_drm_of_get_bridge(dev, np, 1, 0);
 	if (IS_ERR(ps_bridge->panel_bridge))
 		return PTR_ERR(ps_bridge->panel_bridge);
 
-- 
2.25.1