linux-kernel - [PATCH 23/32] drm/vc4: dsi: convert to the .attach

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Message-Id: <20250625-drm-dsi-host-no-device-ptr-v1-23-e36bc258a7c5@bootlin.com>
Date: Wed, 25 Jun 2025 18:45:27 +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 23/32] drm/vc4: dsi: 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/vc4/vc4_dsi.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/vc4/vc4_dsi.c b/drivers/gpu/drm/vc4/vc4_dsi.c
index 458e5d9879645f18bcbcaeeb71b5f1038f9581da..b623e013747522b524ee00aede897ecafbc88e2a 100644
--- a/drivers/gpu/drm/vc4/vc4_dsi.c
+++ b/drivers/gpu/drm/vc4/vc4_dsi.c
@@ -1342,16 +1342,16 @@ static ssize_t vc4_dsi_host_transfer(struct mipi_dsi_host *host,
 
 static const struct component_ops vc4_dsi_ops;
 static int vc4_dsi_host_attach(struct mipi_dsi_host *host,
-			       struct mipi_dsi_device *device)
+			       const struct mipi_dsi_bus_fmt *bus_fmt)
 {
 	struct vc4_dsi *dsi = host_to_dsi(host);
 	int ret;
 
-	dsi->lanes = device->lanes;
-	dsi->channel = device->channel;
-	dsi->mode_flags = device->mode_flags;
+	dsi->lanes = bus_fmt->lanes;
+	dsi->channel = bus_fmt->channel;
+	dsi->mode_flags = bus_fmt->mode_flags;
 
-	switch (device->format) {
+	switch (bus_fmt->format) {
 	case MIPI_DSI_FMT_RGB888:
 		dsi->format = DSI_PFORMAT_RGB888;
 		dsi->divider = 24 / dsi->lanes;
@@ -1402,7 +1402,7 @@ static int vc4_dsi_host_detach(struct mipi_dsi_host *host,
 }
 
 static const struct mipi_dsi_host_ops vc4_dsi_host_ops = {
-	.attach = vc4_dsi_host_attach,
+	.attach_new = vc4_dsi_host_attach,
 	.detach = vc4_dsi_host_detach,
 	.transfer = vc4_dsi_host_transfer,
 };

-- 
2.49.0