linux-kernel - [PATCH 03/10] panel/z00t-tm5p5-n35596: Use refcounted allocation in place of devm

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Message-Id: <20250401-b4-drm-panel-mass-driver-convert-v1-3-cdd7615e1f93@redhat.com>
Date: Tue, 01 Apr 2025 12:03:46 -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 03/10] panel/z00t-tm5p5-n35596: 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-asus-z00t-tm5p5-n35596.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c b/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c
index b05a663c134c974df2909e228d6b2e67e39d54c0..db006576d7046b65eb698c64c9ac3c5f7b69b68d 100644
--- a/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c
+++ b/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c
@@ -224,9 +224,11 @@ static int tm5p5_nt35596_probe(struct mipi_dsi_device *dsi)
 	struct tm5p5_nt35596 *ctx;
 	int ret;
 
-	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
-	if (!ctx)
-		return -ENOMEM;
+	ctx = devm_drm_panel_alloc(dev, struct tm5p5_nt35596, panel,
+				   &tm5p5_nt35596_panel_funcs,
+				   DRM_MODE_CONNECTOR_DSI);
+	if (IS_ERR(ctx))
+		return PTR_ERR(ctx);
 
 	ctx->supplies[0].supply = "vdd";
 	ctx->supplies[1].supply = "vddio";
@@ -253,9 +255,6 @@ static int tm5p5_nt35596_probe(struct mipi_dsi_device *dsi)
 			  MIPI_DSI_MODE_VIDEO_HSE | MIPI_DSI_MODE_NO_EOT_PACKET |
 			  MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM;
 
-	drm_panel_init(&ctx->panel, dev, &tm5p5_nt35596_panel_funcs,
-		       DRM_MODE_CONNECTOR_DSI);
-
 	ctx->panel.backlight = tm5p5_nt35596_create_backlight(dsi);
 	if (IS_ERR(ctx->panel.backlight)) {
 		ret = PTR_ERR(ctx->panel.backlight);

-- 
2.48.1