[PATCH v3 11/22] drm/meson: encoder_dsi: get/put the next bridge
From: Luca Ceresoli <luca.ceresoli@bootlin.com>
Date: 2025-12-16 18:00:13
Also in:
dri-devel, imx, linux-amlogic, linux-doc, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, drm drivers for amlogic socs, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Neil Armstrong, Linus Torvalds
This driver obtains a bridge pointer from of_drm_find_bridge() in the probe function and stores it until driver removal. of_drm_find_bridge() is deprecated. Move to of_drm_find_and_get_bridge() for the bridge to be refcounted and use bridge->next_bridge to put the reference on deallocation. Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com> --- drivers/gpu/drm/meson/meson_encoder_dsi.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/meson/meson_encoder_dsi.c b/drivers/gpu/drm/meson/meson_encoder_dsi.c
index 6c6624f9ba24..eba246791c68 100644
--- a/drivers/gpu/drm/meson/meson_encoder_dsi.c
+++ b/drivers/gpu/drm/meson/meson_encoder_dsi.c@@ -25,7 +25,6 @@ struct meson_encoder_dsi { struct drm_encoder encoder; struct drm_bridge bridge; - struct drm_bridge *next_bridge; struct meson_drm *priv; };
@@ -38,7 +37,7 @@ static int meson_encoder_dsi_attach(struct drm_bridge *bridge, { struct meson_encoder_dsi *encoder_dsi = bridge_to_meson_encoder_dsi(bridge); - return drm_bridge_attach(encoder, encoder_dsi->next_bridge, + return drm_bridge_attach(encoder, encoder_dsi->bridge.next_bridge, &encoder_dsi->bridge, flags); }
@@ -120,8 +119,8 @@ int meson_encoder_dsi_probe(struct meson_drm *priv) return 0; } - meson_encoder_dsi->next_bridge = of_drm_find_bridge(remote); - if (!meson_encoder_dsi->next_bridge) + meson_encoder_dsi->bridge.next_bridge = of_drm_find_and_get_bridge(remote); + if (!meson_encoder_dsi->bridge.next_bridge) return dev_err_probe(priv->dev, -EPROBE_DEFER, "Failed to find DSI transceiver bridge\n");
--
2.52.0