linux-kernel - [PATCH 19/32] drm/bridge: synopsys/dsi2: convert to the .attach

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250625-drm-dsi-host-no-device-ptr-v1-19-e36bc258a7c5@bootlin.com>
Date: Wed, 25 Jun 2025 18:45:23 +0200
From: Luca Ceresoli <luca.ceresoli@...tlin.com>
To: 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>, 
 Andrzej Hajda <andrzej.hajda@...el.com>, 
 Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, 
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>, 
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, 
 Inki Dae <inki.dae@...sung.com>, Jagan Teki <jagan@...rulasolutions.com>, 
 Marek Szyprowski <m.szyprowski@...sung.com>, 
 Jani Nikula <jani.nikula@...ux.intel.com>, 
 Dmitry Baryshkov <lumag@...nel.org>
Cc: Hui Pu <Hui.Pu@...ealthcare.com>, 
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 linux-sunxi@...ts.linux.dev, Luca Ceresoli <luca.ceresoli@...tlin.com>
Subject: [PATCH 19/32] drm/bridge: synopsys/dsi2: convert to the
 .attach_new op

This op does not pass any pointer to the DSI device, so the DSI host driver
cannot store it.

Signed-off-by: Luca Ceresoli <luca.ceresoli@...tlin.com>
---
 drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c
index a994dfc1c0d2f6bbcab615c645d4dff7b90a756f..760b7920592506268f137dce5dafb14771440cdb 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c
@@ -510,23 +510,23 @@ dw_mipi_dsi2_work_mode(struct dw_mipi_dsi2 *dsi2, u32 mode)
 }
 
 static int dw_mipi_dsi2_host_attach(struct mipi_dsi_host *host,
-				    struct mipi_dsi_device *device)
+				    const struct mipi_dsi_bus_fmt *bus_fmt)
 {
 	struct dw_mipi_dsi2 *dsi2 = host_to_dsi2(host);
 	const struct dw_mipi_dsi2_plat_data *pdata = dsi2->plat_data;
 	struct drm_bridge *bridge;
 	int ret;
 
-	if (device->lanes > dsi2->plat_data->max_data_lanes) {
+	if (bus_fmt->lanes > dsi2->plat_data->max_data_lanes) {
 		dev_err(dsi2->dev, "the number of data lanes(%u) is too many\n",
-			device->lanes);
+			bus_fmt->lanes);
 		return -EINVAL;
 	}
 
-	dsi2->lanes = device->lanes;
-	dsi2->channel = device->channel;
-	dsi2->format = device->format;
-	dsi2->mode_flags = device->mode_flags;
+	dsi2->lanes = bus_fmt->lanes;
+	dsi2->channel = bus_fmt->channel;
+	dsi2->format = bus_fmt->format;
+	dsi2->mode_flags = bus_fmt->mode_flags;
 
 	bridge = devm_drm_of_get_bridge(dsi2->dev, dsi2->dev->of_node, 1, 0);
 	if (IS_ERR(bridge))
@@ -687,7 +687,7 @@ static ssize_t dw_mipi_dsi2_host_transfer(struct mipi_dsi_host *host,
 }
 
 static const struct mipi_dsi_host_ops dw_mipi_dsi2_host_ops = {
-	.attach = dw_mipi_dsi2_host_attach,
+	.attach_new = dw_mipi_dsi2_host_attach,
 	.detach = dw_mipi_dsi2_host_detach,
 	.transfer = dw_mipi_dsi2_host_transfer,
 };

-- 
2.49.0