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drm/bridge: tpd12s015: 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-2-v2-6-8bad3ef90b9f@bootlin.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
This commit is contained in:
Luca Ceresoli
2026-01-09 08:31:37 +01:00
parent 35dd5e1c08
commit 0bbca46cd5
1 changed files with 3 additions and 5 deletions
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8
drivers/gpu/drm/bridge/ti-tpd12s015.c
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@@ -28,8 +28,6 @@ struct tpd12s015_device {
struct gpio_desc *ls_oe_gpio;
struct gpio_desc *hpd_gpio;
int hpd_irq;
struct drm_bridge *next_bridge;
};
static inline struct tpd12s015_device *to_tpd12s015(struct drm_bridge *bridge)
@@ -47,7 +45,7 @@ static int tpd12s015_attach(struct drm_bridge *bridge,
if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR))
return -EINVAL;
ret = drm_bridge_attach(encoder, tpd->next_bridge,
ret = drm_bridge_attach(encoder, tpd->bridge.next_bridge,
bridge, flags);
if (ret < 0)
return ret;
@@ -138,10 +136,10 @@ static int tpd12s015_probe(struct platform_device *pdev)
if (!node)
return -ENODEV;
tpd->next_bridge = of_drm_find_bridge(node);
tpd->bridge.next_bridge = of_drm_find_and_get_bridge(node);
of_node_put(node);
if (!tpd->next_bridge)
if (!tpd->bridge.next_bridge)
return -EPROBE_DEFER;
/* Get the control and HPD GPIOs. */