linux-kernel - [PATCH 13/14] drm/panel/boe-tv101wum-nl6: Use refcounted allocation in place of devm

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Message-Id: <20250710-b4-driver-convert-last-part-july-v1-13-de73ba81b2f5@redhat.com>
Date: Thu, 10 Jul 2025 23:31:24 -0500
From: Anusha Srivatsa <asrivats@...hat.com>
To: Neil Armstrong <neil.armstrong@...aro.org>, 
 Jessica Zhang <jessica.zhang@....qualcomm.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>, 
 Florian Fainelli <florian.fainelli@...adcom.com>, 
 Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>, 
 Sumit Semwal <sumit.semwal@...aro.org>, 
 Casey Connolly <casey.connolly@...aro.org>, 
 Jerry Han <hanxu5@...qin.corp-partner.google.com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 linux-rpi-kernel@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org, 
 Anusha Srivatsa <asrivats@...hat.com>
Subject: [PATCH 13/14] drm/panel/boe-tv101wum-nl6: Use refcounted
 allocation in place of devm_kzalloc()

Move to using the new API devm_drm_panel_alloc() to allocate the
panel. In the call to the new API, avoid using explicit type and use
__typeof() for more type safety.

Signed-off-by: Anusha Srivatsa <asrivats@...hat.com>
---
 drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
index 3e5b0d8636d087596aeb3ef0a9feef14157942ca..d5fe105bdbdde5147c5392945928148ebfdf53b5 100644
--- a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
+++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
@@ -1720,8 +1720,6 @@ static int boe_panel_add(struct boe_panel *boe)
 
 	boe->base.prepare_prev_first = true;
 
-	drm_panel_init(&boe->base, dev, &boe_panel_funcs,
-		       DRM_MODE_CONNECTOR_DSI);
 	err = of_drm_get_panel_orientation(dev->of_node, &boe->orientation);
 	if (err < 0) {
 		dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, err);
@@ -1746,9 +1744,11 @@ static int boe_panel_probe(struct mipi_dsi_device *dsi)
 	int ret;
 	const struct panel_desc *desc;
 
-	boe = devm_kzalloc(&dsi->dev, sizeof(*boe), GFP_KERNEL);
-	if (!boe)
-		return -ENOMEM;
+	boe = devm_drm_panel_alloc(&dsi->dev, __typeof(*boe), base,
+				   &boe_panel_funcs, DRM_MODE_CONNECTOR_DSI);
+
+	if (IS_ERR(boe))
+		return PTR_ERR(boe);
 
 	desc = of_device_get_match_data(&dsi->dev);
 	dsi->lanes = desc->lanes;

-- 
2.48.1