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

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Message-Id: <20250401-b4-drm-panel-mass-driver-convert-v1-10-cdd7615e1f93@redhat.com>
Date: Tue, 01 Apr 2025 12:03:53 -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 10/10] panel/panel-edp: 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-edp.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/panel-edp.c
index 52028c8f8988d4b771bd2604256aea4cde4f4020..e8fe0014143fd0f86ee51c94f2afd24416fa0c12 100644
--- a/drivers/gpu/drm/panel/panel-edp.c
+++ b/drivers/gpu/drm/panel/panel-edp.c
@@ -839,9 +839,10 @@ static int panel_edp_probe(struct device *dev, const struct panel_desc *desc,
 	struct device_node *ddc;
 	int err;
 
-	panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL);
-	if (!panel)
-		return -ENOMEM;
+	panel = devm_drm_panel_alloc(dev, struct panel_edp, base,
+				     &panel_edp_funcs, DRM_MODE_CONNECTOR_eDP);
+	if (IS_ERR(panel))
+		return PTR_ERR(panel);
 
 	panel->prepared_time = 0;
 	panel->desc = desc;
@@ -886,8 +887,6 @@ static int panel_edp_probe(struct device *dev, const struct panel_desc *desc,
 
 	dev_set_drvdata(dev, panel);
 
-	drm_panel_init(&panel->base, dev, &panel_edp_funcs, DRM_MODE_CONNECTOR_eDP);
-
 	err = drm_panel_of_backlight(&panel->base);
 	if (err)
 		goto err_finished_ddc_init;

-- 
2.48.1