linux-kernel - [PATCH 06/10] panel/th101mb31ig002-28a: Use refcounted allocation in place of devm

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Message-Id: <20250401-b4-drm-panel-mass-driver-convert-v1-6-cdd7615e1f93@redhat.com>
Date: Tue, 01 Apr 2025 12:03:49 -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 06/10] panel/th101mb31ig002-28a: 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-th101mb31ig002-28a.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
index 0b87f1e6ecaea71f10a249bdc53466d281f07a34..7ae196424b6dfb731cd1ea48363c4fa1e6c36464 100644
--- a/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
+++ b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
@@ -349,9 +349,11 @@ static int boe_th101mb31ig002_dsi_probe(struct mipi_dsi_device *dsi)
 	const struct panel_desc *desc;
 	int ret;
 
-	ctx = devm_kzalloc(&dsi->dev, sizeof(*ctx), GFP_KERNEL);
-	if (!ctx)
-		return -ENOMEM;
+	panel = devm_drm_panel_alloc(dev, struct panel_desc, panel,
+				     &boe_th101mb31ig002_funcs,
+				     DRM_MODE_CONNECTOR_DSI);
+	if (IS_ERR(panel))
+		return PTR_ERR(panel);
 
 	mipi_dsi_set_drvdata(dsi, ctx);
 	ctx->dsi = dsi;
@@ -383,9 +385,6 @@ static int boe_th101mb31ig002_dsi_probe(struct mipi_dsi_device *dsi)
 		return dev_err_probe(&dsi->dev, ret,
 				     "Failed to get orientation\n");
 
-	drm_panel_init(&ctx->panel, &dsi->dev, &boe_th101mb31ig002_funcs,
-		       DRM_MODE_CONNECTOR_DSI);
-
 	ret = drm_panel_of_backlight(&ctx->panel);
 	if (ret)
 		return ret;

-- 
2.48.1