linux-kernel - [PATCH 08/10] panel/dsi-cm: 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 for Android: free password hash cracker in your pocket

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

Message-Id: <20250401-b4-drm-panel-mass-driver-convert-v1-8-cdd7615e1f93@redhat.com>
Date: Tue, 01 Apr 2025 12:03:51 -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>, 
 Linus Walleij <linus.walleij@...aro.org>, Joel Selvaraj <jo@...amily.in>, 
 Douglas Anderson <dianders@...omium.org>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 Anusha Srivatsa <asrivats@...hat.com>
Subject: [PATCH 08/10] panel/dsi-cm: 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-dsi-cm.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-dsi-cm.c b/drivers/gpu/drm/panel/panel-dsi-cm.c
index 6b3f4d664d2ade668525660394cf81924436492e..ae6e9ffc46cb49ddb53981815ad248953bb37fbb 100644
--- a/drivers/gpu/drm/panel/panel-dsi-cm.c
+++ b/drivers/gpu/drm/panel/panel-dsi-cm.c
@@ -511,9 +511,10 @@ static int dsicm_probe(struct mipi_dsi_device *dsi)
 
 	dev_dbg(dev, "probe\n");
 
-	ddata = devm_kzalloc(dev, sizeof(*ddata), GFP_KERNEL);
-	if (!ddata)
-		return -ENOMEM;
+	ddata = devm_drm_panel_alloc(dev, struct panel_drv_data, panel,
+				     &dsicm_panel_funcs, DRM_MODE_CONNECTOR_DSI);
+	if (IS_ERR(ddata))
+		return PTR_ERR(ddata);
 
 	mipi_dsi_set_drvdata(dsi, ddata);
 	ddata->dsi = dsi;
@@ -530,9 +531,6 @@ static int dsicm_probe(struct mipi_dsi_device *dsi)
 
 	dsicm_hw_reset(ddata);
 
-	drm_panel_init(&ddata->panel, dev, &dsicm_panel_funcs,
-		       DRM_MODE_CONNECTOR_DSI);
-
 	if (ddata->use_dsi_backlight) {
 		struct backlight_properties props = { 0 };
 		props.max_brightness = 255;

-- 
2.48.1