drm_modeset_is_locked(9)

💅 drm_modeset_is_locked(9)

okay so bestie, welcome to the Kernel API Manual — this one's a lil baby page but she's iconic in her own way, trust 🫶 It's drm_modeset_is_locked(9), and she does exactly one (1) thing. Lowkey queen of not overdelivering.

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✨ NAME ✨

drm_modeset_is_locked — bestie, she's literally equivalent to mutex_is_locked(). that's the whole vibe check. no cap 💅

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🌸 SYNOPSIS 🌸

bool drm_modeset_is_locked (struct drm_modeset_lock *lock );

like… that's it. that's the function. she returns a bool, she takes one pointer, she's low maintenance 💖

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🦋 ARGUMENTS 🦋

• lock — the lock to check 👀 that's it, that's the argument. you hand her the lock, she tells you what's up.

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🎀 SEE ALSO 🎀

the whole friend group, fr fr — go say hi to:

• drm_modeset_acquire_ctx(9)
• drm_modeset_lock(9)
• drm_modeset_lock_fini(9)
• drm_modeset_lock_assert_held(9)
• DRM_MODESET_LOCK_ALL_BEGIN(9)
• DRM_MODESET_LOCK_ALL_END(9)

and the header file herself lives at ./include/drm/drm_modeset_lock.h — struct drm_modeset_acquire_ctx(9) and struct drm_modeset_lock(9) are both hanging out in there, main character energy ✨

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ngl, this page is short enough to read in one breath — but every detail still counts, so don't skip the friends list bestie 😭

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and that's the whole page, mwah 💋 this cutie is from ./include/drm, stamped October 2026, and she's filed under drm_modeset_is_locked(9) in the Kernel API Manual. slay, go check your locks 🧚‍♀️💜