dmub_hw_lock...require_lock(9)

✨ dmub_hw_lock...require_lock(9) ✨

okay bestie, welcome to the Kernel API Manual page for dmub_hw_lock...require_lock(9) 🎀 — yes that's the real title, no I didn't make it up, and yes it's a mouthful. buckle up, this one's short but she's important. 💅

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🌸 NAME 🌸

dmub_hw_lock_mgr_does_context_require_lock — literally returns true if the context has any stream that needs the HW lock. that's it. that's the whole job. and she does it flawlessly. 👑

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🦋 SYNOPSIS 🦋

bool dmub_hw_lock_mgr_does_context_require_lock (const struct dc *dc ,
       const struct dc_state *context );

not me copy-pasting this exactly because the vibes may change but the signatures never do, fr fr 😌

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💖 ARGUMENTS 💖

• dc — Pointer to the DC object. just pointing at it. being a whole DC object about it. 🫶
• context — The context to check. yes queen, we're checking you. 🔍

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⭐ RETURN ⭐

true if the context has any stream that needs the HW lock, false otherwise ✨ — a clean little boolean, no cap, no surprises, exactly as iconic as it sounds. 💀

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🌈 SEE ALSO 🌈

• Kernel file ./drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.h — go read it, iykyk 📖
• should_use_dmub_inbox1_lock(9)
• dmub_hw_lock_mgr_does_link_require_lock(9)
• should_use_dmub_inbox0_lock_for_link(9)

she runs with a whole squad, and every single one of them is listed above, character for character. 🧚

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lowkey a reminder: everything above is exactly what the page says — the flags, the paths, the section names — just with way better energy. don't come at me with "you changed something," because I did not. 🙈

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and that's the page!! mwah 💋 this lil gem lives at ./drivers/gpu/drm/amd/display/..., dated October 2026, and it's part of the Kernel API Manual, section 9. periodt. 🌸💜🦋