linux-kernel - [PATCH 10/46] panel/samsung-atna33xc20: Use refcounted allocation in place of devm

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250403-b4-drm_panel_mass_driver_convert_part3-v1-10-965b15ad5b8e@redhat.com>
Date: Thu, 03 Apr 2025 16:20:41 -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 10/46] panel/samsung-atna33xc20: 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-samsung-atna33xc20.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c b/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c
index 9a482a744b8c15fe1592a09c2bfe17a2bb05b5ac..20ec27d2d6c255be2c33f65d3ff25a41045a9d07 100644
--- a/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c
+++ b/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c
@@ -266,9 +266,12 @@ static int atana33xc20_probe(struct dp_aux_ep_device *aux_ep)
 	struct device *dev = &aux_ep->dev;
 	int ret;
 
-	panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL);
-	if (!panel)
-		return -ENOMEM;
+	panel = devm_drm_panel_alloc(dev, struct atana33xc20_panel, base,
+				     &atana33xc20_funcs,
+				     DRM_MODE_CONNECTOR_eDP);
+	if (IS_ERR(panel))
+		return PTR_ERR(panel);
+
 	dev_set_drvdata(dev, panel);
 
 	panel->aux = aux_ep->aux;
@@ -301,8 +304,6 @@ static int atana33xc20_probe(struct dp_aux_ep_device *aux_ep)
 	if (ret)
 		return ret;
 
-	drm_panel_init(&panel->base, dev, &atana33xc20_funcs, DRM_MODE_CONNECTOR_eDP);
-
 	pm_runtime_get_sync(dev);
 	ret = drm_panel_dp_aux_backlight(&panel->base, aux_ep->aux);
 	pm_runtime_mark_last_busy(dev);

-- 
2.48.1