linux-kernel - [PATCH v2 5/8] drm/atmel-hlcdc: use devm_drm_of_get

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Message-ID: <20251218-lcd_cleanup_mainline-v2-5-df837aba878f@microchip.com>
Date: Thu, 18 Dec 2025 14:26:03 +0100
From: Ludovic Desroches <ludovic.desroches@...rochip.com>
To: Manikandan Muralidharan <manikandan.m@...rochip.com>, "Dharma
 Balasubiramani" <dharma.b@...rochip.com>, Maarten Lankhorst
	<maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>, Nicolas Ferre <nicolas.ferre@...rochip.com>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>, Claudiu Beznea
	<claudiu.beznea@...on.dev>
CC: <dri-devel@...ts.freedesktop.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, Ludovic Desroches
	<ludovic.desroches@...rochip.com>
Subject: [PATCH v2 5/8] drm/atmel-hlcdc: use devm_drm_of_get_bridge()

Get rid of drm_of_find_panel_or_bridge() as it is deprecated and use
devm_drm_of_get_bridge() instead.

Signed-off-by: Ludovic Desroches <ludovic.desroches@...rochip.com>
---
 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c | 25 +++++-------------------
 1 file changed, 5 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c
index e582315f70a119f2b39057ff112bc427117b85f5..e8aea905fb10d20d89c0cfd7937039b44d8a55b7 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c
@@ -69,16 +69,14 @@ static int atmel_hlcdc_attach_endpoint(struct drm_device *dev, int endpoint)
 {
 	struct atmel_hlcdc_rgb_output *output;
 	struct device_node *ep;
-	struct drm_panel *panel;
 	struct drm_bridge *bridge;
 	struct atmel_hlcdc_dc *dc = dev->dev_private;
 	struct drm_crtc *crtc = dc->crtc;
-	int ret;
+	int ret = 0;
 
-	ret = drm_of_find_panel_or_bridge(dev->dev->of_node, 0, endpoint,
-					  &panel, &bridge);
-	if (ret)
-		return ret;
+	bridge = devm_drm_of_get_bridge(dev->dev, dev->dev->of_node, 0, endpoint);
+	if (IS_ERR(bridge))
+		return PTR_ERR(bridge);
 
 	output = drmm_simple_encoder_alloc(dev, struct atmel_hlcdc_rgb_output,
 					   encoder, DRM_MODE_ENCODER_NONE);
@@ -97,23 +95,10 @@ static int atmel_hlcdc_attach_endpoint(struct drm_device *dev, int endpoint)
 	}
 
 
-
-	if (panel) {
-		bridge = drm_panel_bridge_add_typed(panel,
-						    DRM_MODE_CONNECTOR_Unknown);
-		if (IS_ERR(bridge))
-			return PTR_ERR(bridge);
-	}
 	output->encoder.possible_crtcs = drm_crtc_mask(crtc);
 
-	if (bridge) {
+	if (bridge)
 		ret = drm_bridge_attach(&output->encoder, bridge, NULL, 0);
-		if (!ret)
-			return 0;
-
-		if (panel)
-			drm_panel_bridge_remove(bridge);
-	}
 
 	return ret;
 }

-- 
2.51.0