From 03d14926451846fc52daa5f04693891f4cb2231e Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Mon, 25 Oct 2021 17:15:33 +0200
Subject: drm/bridge: tc358775: Switch to devm MIPI-DSI helpers
Git-commit: 526dcedf877fab36d2847fa1446975ab4285f226
Patch-mainline: v5.17-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
Let's switch to the new devm MIPI-DSI function to register and attach
our secondary device. This also avoids leaking the device when we detach
the bridge.
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20211025151536.1048186-19-maxime@cerno.tech
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/bridge/tc358775.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/bridge/tc358775.c b/drivers/gpu/drm/bridge/tc358775.c
index 2272adcc5b4a..35e66d1b6456 100644
--- a/drivers/gpu/drm/bridge/tc358775.c
+++ b/drivers/gpu/drm/bridge/tc358775.c
@@ -610,11 +610,10 @@ static int tc_bridge_attach(struct drm_bridge *bridge,
return -EPROBE_DEFER;
}
- dsi = mipi_dsi_device_register_full(host, &info);
+ dsi = devm_mipi_dsi_device_register_full(dev, host, &info);
if (IS_ERR(dsi)) {
dev_err(dev, "failed to create dsi device\n");
- ret = PTR_ERR(dsi);
- goto err_dsi_device;
+ return PTR_ERR(dsi);
}
tc->dsi = dsi;
@@ -623,19 +622,15 @@ static int tc_bridge_attach(struct drm_bridge *bridge,
dsi->format = MIPI_DSI_FMT_RGB888;
dsi->mode_flags = MIPI_DSI_MODE_VIDEO;
- ret = mipi_dsi_attach(dsi);
+ ret = devm_mipi_dsi_attach(dev, dsi);
if (ret < 0) {
dev_err(dev, "failed to attach dsi to host\n");
- goto err_dsi_attach;
+ return ret;
}
/* Attach the panel-bridge to the dsi bridge */
return drm_bridge_attach(bridge->encoder, tc->panel_bridge,
&tc->bridge, flags);
-err_dsi_attach:
- mipi_dsi_device_unregister(dsi);
-err_dsi_device:
- return ret;
}
static const struct drm_bridge_funcs tc_bridge_funcs = {
--
2.38.1