linux-kernel - [PATCH 07/10] panel/boe-tv101wum-ll2: Use refcounted allocation in place of devm

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Message-Id: <20250401-b4-drm-panel-mass-driver-convert-v1-7-cdd7615e1f93@redhat.com>
Date: Tue, 01 Apr 2025 12:03:50 -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 07/10] panel/boe-tv101wum-ll2: 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-tv101wum-ll2.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-ll2.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-ll2.c
index 50e4a5341bc65727b5ed6ba43a11f5ab9ac9f5b9..04c7890cc51db43bdc6e38cdae8f7f21fd48009f 100644
--- a/drivers/gpu/drm/panel/panel-boe-tv101wum-ll2.c
+++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-ll2.c
@@ -166,9 +166,11 @@ static int boe_tv101wum_ll2_probe(struct mipi_dsi_device *dsi)
 	struct boe_tv101wum_ll2 *ctx;
 	int ret;
 
-	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
-	if (!ctx)
-		return -ENOMEM;
+	ctx = devm_drm_panel_alloc(dev, struct boe_tv101wum_ll2, panel,
+				   &boe_tv101wum_ll2_panel_funcs,
+				   DRM_MODE_CONNECTOR_DSI
+	if (IS_ERR(panel))
+		return PTR_ERR(panel);
 
 	ret = devm_regulator_bulk_get_const(&dsi->dev,
 					ARRAY_SIZE(boe_tv101wum_ll2_supplies),
@@ -190,8 +192,6 @@ static int boe_tv101wum_ll2_probe(struct mipi_dsi_device *dsi)
 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
 			  MIPI_DSI_MODE_VIDEO_HSE;
 
-	drm_panel_init(&ctx->panel, dev, &boe_tv101wum_ll2_panel_funcs,
-		       DRM_MODE_CONNECTOR_DSI);
 	ctx->panel.prepare_prev_first = true;
 
 	ret = drm_panel_of_backlight(&ctx->panel);

-- 
2.48.1