linux-kernel - [PATCH 32/46] panel/panel-summit: Use refcounted allocation in place of devm

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Message-Id: <20250403-b4-drm_panel_mass_driver_convert_part3-v1-32-965b15ad5b8e@redhat.com>
Date: Thu, 03 Apr 2025 16:21:03 -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>, 
 Robert Chiras <robert.chiras@....com>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Markuss Broks <markuss.broks@...il.com>, 
 Artur Weber <aweber.kernel@...il.com>, 
 Dzmitry Sankouski <dsankouski@...il.com>, 
 Jagan Teki <jagan@...rulasolutions.com>, 
 Guido Günther <agx@...xcpu.org>, 
 Purism Kernel Team <kernel@...i.sm>, Ondrej Jirman <megi@....cz>, 
 Sasha Finkelstein <fnkl.kernel@...il.com>, Janne Grunau <j@...nau.net>, 
 Michael Trimarchi <michael@...rulasolutions.com>, 
 Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 asahi@...ts.linux.dev, Anusha Srivatsa <asrivats@...hat.com>
Subject: [PATCH 32/46] panel/panel-summit: 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>
---
 drivers/gpu/drm/panel/panel-summit.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-summit.c b/drivers/gpu/drm/panel/panel-summit.c
index e780faee18570c9970d381b3f7c65b95665469cd..90bb0e159b4ddf930e0415c638f02b0be755453c 100644
--- a/drivers/gpu/drm/panel/panel-summit.c
+++ b/drivers/gpu/drm/panel/panel-summit.c
@@ -68,9 +68,11 @@ static int summit_probe(struct mipi_dsi_device *dsi)
 	struct summit_data *s_data;
 	int ret;
 
-	s_data = devm_kzalloc(dev, sizeof(*s_data), GFP_KERNEL);
-	if (!s_data)
-		return -ENOMEM;
+	s_data = devm_drm_panel_alloc(&dsi->dev, struct summit_data, panel,
+				      &summit_panel_funcs,
+				      DRM_MODE_CONNECTOR_DSI);
+	if (IS_ERR(s_data))
+		return PTR_ERR(s_data);
 
 	mipi_dsi_set_drvdata(dsi, s_data);
 	s_data->dsi = dsi;
@@ -85,8 +87,6 @@ static int summit_probe(struct mipi_dsi_device *dsi)
 	if (IS_ERR(s_data->bl))
 		return PTR_ERR(s_data->bl);
 
-	drm_panel_init(&s_data->panel, dev, &summit_panel_funcs,
-		       DRM_MODE_CONNECTOR_DSI);
 	drm_panel_add(&s_data->panel);
 
 	return mipi_dsi_attach(dsi);

-- 
2.48.1