drm/mediatek: mtk_hdmi*: convert to of_drm_find_and_get_bridge()

of_drm_find_bridge() is deprecated. Move to its replacement
of_drm_find_and_get_bridge() which gets a bridge reference, and ensure it
is put when done by using the drm_bridge::next_bridge pointer.

Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://patch.msgid.link/20260109-drm-bridge-alloc-getput-drm_of_find_bridge-3-v2-4-8d7a3dbacdf4@bootlin.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
This commit is contained in:
Luca Ceresoli 2026-01-09 11:02:53 +01:00
parent 6dfebeee29
commit 4ace6fbcd2
4 changed files with 6 additions and 7 deletions

View File

@ -986,8 +986,8 @@ static int mtk_hdmi_bridge_attach(struct drm_bridge *bridge,
return -EINVAL;
}
if (hdmi->next_bridge) {
ret = drm_bridge_attach(encoder, hdmi->next_bridge,
if (hdmi->bridge.next_bridge) {
ret = drm_bridge_attach(encoder, hdmi->bridge.next_bridge,
bridge, flags);
if (ret)
return ret;

View File

@ -315,8 +315,8 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi, struct platform_device
return -EINVAL;
if (!of_device_is_compatible(remote, "hdmi-connector")) {
hdmi->next_bridge = of_drm_find_bridge(remote);
if (!hdmi->next_bridge) {
hdmi->bridge.next_bridge = of_drm_find_and_get_bridge(remote);
if (!hdmi->bridge.next_bridge) {
dev_err(dev, "Waiting for external bridge\n");
of_node_put(remote);
return -EPROBE_DEFER;

View File

@ -150,7 +150,6 @@ struct mtk_hdmi_conf {
struct mtk_hdmi {
struct drm_bridge bridge;
struct drm_bridge *next_bridge;
struct drm_connector *curr_conn;/* current connector (only valid when 'enabled') */
struct device *dev;
const struct mtk_hdmi_conf *conf;

View File

@ -960,8 +960,8 @@ static int mtk_hdmi_v2_bridge_attach(struct drm_bridge *bridge,
DRM_ERROR("The flag DRM_BRIDGE_ATTACH_NO_CONNECTOR must be supplied\n");
return -EINVAL;
}
if (hdmi->next_bridge) {
ret = drm_bridge_attach(encoder, hdmi->next_bridge, bridge, flags);
if (hdmi->bridge.next_bridge) {
ret = drm_bridge_attach(encoder, hdmi->bridge.next_bridge, bridge, flags);
if (ret)
return ret;
}