STRUCT DRM_MODESET_LOCK(9)

💅 struct drm_modeset_lock(9) 💅

okay so bestie, this is the Kernel API Manual page for struct drm_modeset_lock, and it's literally the struct for locking modeset resources. no cap, it's giving “hold my lock” energy. 🎀

🌸 NAME 🌸

struct drm_modeset_lock — used for locking modeset resources. periodt. 💖

✨ SYNOPSIS ✨

       struct drm_modeset_lock {
           struct ww_mutex mutex;
           struct list_head head;
        };

🧩 Members 🧩

• mutex — resource locking. that's the whole assignment, and it ate. 🔥
• head — used to hold its place on drm_atomi_state.locked list when part of an atomic update. iconic list-holding behavior, fr fr 🦋

💖 Description 💖

Used for locking CRTCs and other modeset resources. lowkey simple, but it's the lock vibe for CRTCs and the rest of the modeset crew. ✨

🔥 SEE ALSO 🔥

• Kernel file ./include/drm/drm_modeset_lock.h
• struct drm_modeset_acquire_ctx(9)
• drm_modeset_lock_fini(9)
• drm_modeset_is_locked(9)
• drm_modeset_lock_assert_held(9)
• DRM_MODESET_LOCK_ALL_BEGIN(9)
• DRM_MODESET_LOCK_ALL_END(9)

These are the besties to check next — the whole lock squad is linked. 👑

xoxo from the ./include/drm source, October 2026 — bye bestie! 💖✨