linux-kernel - [PATCH v2 17/30] panel/lg-lg4573: Use refcounted allocation in place of devm

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Message-Id: <20250403-b4-drm_panel_mass_convert_part2-v2-17-260c8a44c56b@redhat.com>
Date: Thu, 03 Apr 2025 10:16:24 -0400
From: Anusha Srivatsa <asrivats@...hat.com>
To: Neil Armstrong <neil.armstrong@...aro.org>, 
 Jessica Zhang <quic_jesszhan@...cinc.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>, 
 Icenowy Zheng <icenowy@...c.io>, Jagan Teki <jagan@...rulasolutions.com>, 
 Ondrej Jirman <megi@....cz>, Javier Martinez Canillas <javierm@...hat.com>, 
 Michael Trimarchi <michael@...rulasolutions.com>, 
 Michael Walle <mwalle@...nel.org>, Jagan Teki <jagan@...eble.ai>, 
 Guido Günther <agx@...xcpu.org>, 
 Purism Kernel Team <kernel@...i.sm>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Jianhua Lu <lujianhua000@...il.com>, Stefan Mavrodiev <stefan@...mex.com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 Anusha Srivatsa <asrivats@...hat.com>
Subject: [PATCH v2 17/30] panel/lg-lg4573: Use refcounted allocation in
 place of devm_kzalloc()

Move to using the new API devm_drm_panel_alloc() to allocate the
panel.

Signed-off-by: Anusha Srivatsa <asrivats@...hat.com>
---
v2: none.
---
 drivers/gpu/drm/panel/panel-lg-lg4573.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-lg-lg4573.c b/drivers/gpu/drm/panel/panel-lg-lg4573.c
index cf246d15b7b628a0b3821bfb2697842b6e484319..dec619902c15f8fbfdd138ef3bd2aa7cae921375 100644
--- a/drivers/gpu/drm/panel/panel-lg-lg4573.c
+++ b/drivers/gpu/drm/panel/panel-lg-lg4573.c
@@ -243,9 +243,11 @@ static int lg4573_probe(struct spi_device *spi)
 	struct lg4573 *ctx;
 	int ret;
 
-	ctx = devm_kzalloc(&spi->dev, sizeof(*ctx), GFP_KERNEL);
-	if (!ctx)
-		return -ENOMEM;
+	ctx = devm_drm_panel_alloc(&spi->dev, struct lg4573, panel,
+				   &lg4573_drm_funcs,
+				   DRM_MODE_CONNECTOR_DPI);
+	if (IS_ERR(ctx))
+		return PTR_ERR(ctx);
 
 	ctx->spi = spi;
 
@@ -258,9 +260,6 @@ static int lg4573_probe(struct spi_device *spi)
 		return ret;
 	}
 
-	drm_panel_init(&ctx->panel, &spi->dev, &lg4573_drm_funcs,
-		       DRM_MODE_CONNECTOR_DPI);
-
 	drm_panel_add(&ctx->panel);
 
 	return 0;

-- 
2.48.1