linux-kernel - [PATCH 05/10] panel/bf060y8m-aj0: Use refcounted allocation in place of devm

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Message-Id: <20250401-b4-drm-panel-mass-driver-convert-v1-5-cdd7615e1f93@redhat.com>
Date: Tue, 01 Apr 2025 12:03:48 -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 05/10] panel/bf060y8m-aj0: 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-boe-bf060y8m-aj0.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-boe-bf060y8m-aj0.c b/drivers/gpu/drm/panel/panel-boe-bf060y8m-aj0.c
index 7e66db4a88bbed27920107458d01efd9cf4986df..5eb0727438cd73360f5360aba55f1eb1659fc7c6 100644
--- a/drivers/gpu/drm/panel/panel-boe-bf060y8m-aj0.c
+++ b/drivers/gpu/drm/panel/panel-boe-bf060y8m-aj0.c
@@ -350,9 +350,11 @@ static int boe_bf060y8m_aj0_probe(struct mipi_dsi_device *dsi)
 	struct boe_bf060y8m_aj0 *boe;
 	int ret;
 
-	boe = devm_kzalloc(dev, sizeof(*boe), GFP_KERNEL);
-	if (!boe)
-		return -ENOMEM;
+	boe = devm_drm_panel_alloc(dev, struct boe_bf060y8m_aj0, panel,
+				   &boe_bf060y8m_aj0_panel_funcs,
+				   DRM_MODE_CONNECTOR_DSI);
+	if (IS_ERR(boe))
+		return PTR_ERR(boe);
 
 	ret = boe_bf060y8m_aj0_init_vregs(boe, dev);
 	if (ret)
@@ -374,9 +376,6 @@ static int boe_bf060y8m_aj0_probe(struct mipi_dsi_device *dsi)
 			  MIPI_DSI_CLOCK_NON_CONTINUOUS |
 			  MIPI_DSI_MODE_LPM;
 
-	drm_panel_init(&boe->panel, dev, &boe_bf060y8m_aj0_panel_funcs,
-		       DRM_MODE_CONNECTOR_DSI);
-
 	boe->panel.prepare_prev_first = true;
 
 	boe->panel.backlight = boe_bf060y8m_aj0_create_backlight(dsi);

-- 
2.48.1