drm_bridge_get_prev_bridge(9)

✨ drm_bridge_get_prev_bridge(9) ✨

okay bestie, so this is a page from the Kernel API Manual — the drm_bridge_get_prev_bridge er, function? yeah. section 9. come sit with me, we're gonna get through this together 💅

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🌸 NAME 🌸

drm_bridge_get_prev_bridge — literally just get the previous bridge in the chain 🎀

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🦋 SYNOPSIS 🦋

struct drm_bridge * drm_bridge_get_prev_bridge (struct drm_bridge
*bridge );

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💖 ARGUMENTS 💖

• bridge — the bridge object, your little guy, your main character 🫶

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✨ DESCRIPTION ✨

okay so first thing's first, and this is on you, not on the function: the caller is responsible for having a reference to bridge via drm_bridge_get or equivalent. like, get your reference first, bestie, don't come in here empty-handed 🙈

this function leaves the refcount of bridge unmodified. it does not touch it. it is not about that. it is minding its own business ✨

but the refcount of the returned bridge? that one IS incremented, okay. so use drm_bridge_put when you're done with it — and yes, you have to, that's the whole vibe. no cap, don't leak it 💀

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🔥 RETURN 🔥

the previous bridge in the chain, or NULL if bridge is the first. like if it's the first, there's nothing before it, sweetie, that's just how it is 😭

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👑 SEE ALSO 👑

Kernel file ./include/drm/drm_bridge.h

• enum drm_bridge_attach_flags(9)
• struct drm_bridge_funcs(9)
• struct drm_bridge_timings(9)
• enum drm_bridge_ops(9)
• struct drm_bridge(9)
• devm_drm_bridge_alloc(9)
• drm_bridge_get_current_state(9)
• drm_bridge_get_next_bridge(9)
• drm_bridge_chain_get_first_bridge(9)
• drm_bridge_chain_get_last_bridge(9)
• drm_for_each_bridge_in_chain(9)
• drm_for_each_bridge_in_chain_from(9)

like, go read about the next bridge too, and the first and last in the chain, and the whole for-each situation — she's thorough, she's giving main character energy 🌈

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⭐ gentle reminder: reference in, refcount untouched; bridge out, refcount up. put it back. periodt 💜

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mwah 💋 this page lives in ./include/drm, October 2026 era, and it's called drm_bridge_get_prev_bridge(9) — go forth and chain responsibly, bestie 🧚‍♀️