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drm/bridge: dw-hdmi: convert to of_drm_find_and_get_bridge()

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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-v2-1-8d7a3dbacdf4@bootlin.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
This commit is contained in:
Luca Ceresoli
2026-01-09 11:02:50 +01:00
parent 3b3ddafde1
commit 4e7fd5aa3f
1 changed files with 3 additions and 4 deletions
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7
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
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@@ -132,7 +132,6 @@ struct dw_hdmi_phy_data {
struct dw_hdmi {
struct drm_connector connector;
struct drm_bridge bridge;
struct drm_bridge *next_bridge;
unsigned int version;
@@ -2912,7 +2911,7 @@ static int dw_hdmi_bridge_attach(struct drm_bridge *bridge,
struct dw_hdmi *hdmi = bridge->driver_private;
if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)
return drm_bridge_attach(encoder, hdmi->next_bridge,
return drm_bridge_attach(encoder, hdmi->bridge.next_bridge,
bridge, flags);
return dw_hdmi_connector_create(hdmi);
@@ -3318,9 +3317,9 @@ static int dw_hdmi_parse_dt(struct dw_hdmi *hdmi)
if (!remote)
return -ENODEV;
hdmi->next_bridge = of_drm_find_bridge(remote);
hdmi->bridge.next_bridge = of_drm_find_and_get_bridge(remote);
of_node_put(remote);
if (!hdmi->next_bridge)
if (!hdmi->bridge.next_bridge)
return -EPROBE_DEFER;
return 0;