xe_guc_db_m...se_id_locked(9)

💅 xe_guc_db_m...se_id_locked(9)

okay so this is from the Kernel API Manual bestie, and it's literally the whole entire page for xe_guc_db_m...se_id_locked(9) — buckle up 🎀

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✨ NAME ✨

xe_guc_db_mgr_release_id_locked — release a single GuC Doorbell ID, that's it, that's the vibe 🦋

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🌸 SYNOPSIS 🌸

void xe_guc_db_mgr_release_id_locked (struct xe_guc_db_mgr *dbm ,
unsigned int id );

like, it returns void, so don't go looking for a return value, there isn't one, periodt 💅

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🫶 ARGUMENTS 🫶

• dbm — the xe_guc_db_mgr, your main character struct 👑
• id — the GuC Doorbell ID you wanna release, bye bestie 🫡

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🔥 DESCRIPTION 🔥

okay so listen 👀 — this function expects that the submission lock is already taken. Like it is NOT gonna do it for you, that's on you, and it's literally named _locked so the way that it's telling you upfront? iconic of it honestly. lowkey a vibe check you have to pass before you call it 😭

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🌈 SEE ALSO 🌈

• Kernel file ./drivers/gpu/drm/xe/xe_guc_db_mgr.c
• GuC Doorbells(9)
• xe_guc_db_mgr_init(9)
• xe_guc_db_mgr_reserve_id_locked(9)
• xe_guc_db_mgr_reserve_range(9)
• xe_guc_db_mgr_release_range(9)
• xe_guc_db_mgr_print(9)

go read the whole squad, they're all connected fr fr 🧚

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and that's the page!! 💖 big shoutout to the source at ./drivers/gpu/drm/xe, dated October 2026, and that's the version of record for xe_guc_db_m...se_id_locked(9) — no cap, go touch some doorbells ✨🍓