linux-kernel - [PATCH 09/10] panel/ebbg-ft8719: Use refcounted allocation in place of devm

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Message-Id: <20250401-b4-drm-panel-mass-driver-convert-v1-9-cdd7615e1f93@redhat.com>
Date: Tue, 01 Apr 2025 12:03:52 -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 09/10] panel/ebbg-ft8719: 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-ebbg-ft8719.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-ebbg-ft8719.c b/drivers/gpu/drm/panel/panel-ebbg-ft8719.c
index 0bfed0ec0bbcef79c767db05846a3e3da56e82ad..fb9f9f42be4f26e75d4481742d8d1c81ea7095d1 100644
--- a/drivers/gpu/drm/panel/panel-ebbg-ft8719.c
+++ b/drivers/gpu/drm/panel/panel-ebbg-ft8719.c
@@ -163,9 +163,11 @@ static int ebbg_ft8719_probe(struct mipi_dsi_device *dsi)
 	struct ebbg_ft8719 *ctx;
 	int i, ret;
 
-	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
-	if (!ctx)
-		return -ENOMEM;
+	ctx = devm_drm_panel_alloc(dev, struct ebbg_ft8719, panel,
+				   &ebbg_ft8719_panel_funcs,
+				   DRM_MODE_CONNECTOR_DSI);
+	if (IS_ERR(ctx))
+		return PTR_ERR(ctx);
 
 	for (i = 0; i < ARRAY_SIZE(ctx->supplies); i++)
 		ctx->supplies[i].supply = regulator_names[i];
@@ -196,9 +198,6 @@ static int ebbg_ft8719_probe(struct mipi_dsi_device *dsi)
 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
 			  MIPI_DSI_CLOCK_NON_CONTINUOUS;
 
-	drm_panel_init(&ctx->panel, dev, &ebbg_ft8719_panel_funcs,
-		       DRM_MODE_CONNECTOR_DSI);
-
 	ret = drm_panel_of_backlight(&ctx->panel);
 	if (ret)
 		return dev_err_probe(dev, ret, "Failed to get backlight\n");

-- 
2.48.1