linux-kernel - [PATCH 12/30] panel/innolux-p079zca: Use refcounted allocation in place of devm

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Message-Id: <20250402-b4-drm_panel_mass_convert_part2-v1-12-903b70999ea6@redhat.com>
Date: Wed, 02 Apr 2025 11:23:50 -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 12/30] panel/innolux-p079zca: 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-innolux-p079zca.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-innolux-p079zca.c b/drivers/gpu/drm/panel/panel-innolux-p079zca.c
index d95c0d4f3e3534d70901864fa9ed0fff8f37d236..80afeeab9475fa13ddadb44cd03a1519d448e24e 100644
--- a/drivers/gpu/drm/panel/panel-innolux-p079zca.c
+++ b/drivers/gpu/drm/panel/panel-innolux-p079zca.c
@@ -382,9 +382,11 @@ static int innolux_panel_add(struct mipi_dsi_device *dsi,
 	struct device *dev = &dsi->dev;
 	int err, i;
 
-	innolux = devm_kzalloc(dev, sizeof(*innolux), GFP_KERNEL);
-	if (!innolux)
-		return -ENOMEM;
+	innolux = devm_drm_panel_alloc(dev, struct innolux_panel, base,
+				       &innolux_panel_funcs,
+				       DRM_MODE_CONNECTOR_DSI);
+	if (IS_ERR(innolux))
+		return PTR_ERR(innolux);
 
 	innolux->desc = desc;
 
@@ -410,9 +412,6 @@ static int innolux_panel_add(struct mipi_dsi_device *dsi,
 		innolux->enable_gpio = NULL;
 	}
 
-	drm_panel_init(&innolux->base, dev, &innolux_panel_funcs,
-		       DRM_MODE_CONNECTOR_DSI);
-
 	err = drm_panel_of_backlight(&innolux->base);
 	if (err)
 		return err;

-- 
2.48.1