drm_sysfs_init(9)

💅 drm_sysfs_init(9) — like, the Kernel API Manual page you actually want to read ✨

okay so bestie, buckle up 🎀 this is drm_sysfs_init(9) from the Kernel API Manual and it's genuinely such a tidy little function. no cap.

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🌸 NAME 🌸

drm_sysfs_init — the one that initializes the sysfs helpers 🦋

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✨ SYNOPSIS ✨

int drm_sysfs_init (void );

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🫶 ARGUMENTS 🫶

• void — literally no arguments. nothing. zero. the cleanest signature ever, honestly 💅

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💖 DESCRIPTION 💖

So what does it do? It's used to create the DRM class 👑 — and that class is the implicit parent of any other top-level DRM sysfs objects. so it's giving main character energy, basically: everything else hangs off it.

⚠️ important bestie: you must call drm_sysfs_destroy to release the allocated resources. do not leave it hanging, fr fr 😭

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🔥 RETURN 🔥

• 0 on success 🎉
• a negative error code on failure 💀

that's it. that's the return.

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🌈 SEE ALSO 🌈

• Kernel file ./drivers/gpu/drm/drm_sysfs.c overview(9)
• drm_sysfs_destroy(9)
• drm_sysfs_hotplug_event(9)
• drm_sysfs_connector_hotplug_event(9)
• drm_sysfs_connector_property_event(9)
• drm_class_device_register(9)
• drm_class_device_unregister(9)

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and that's the whole page, bestie 🍓 go read drm_sysfs_destroy(9) next, iykyk 💜

source + version and date, for the record: ./drivers/gpu/drm · October 2026 · drm_sysfs_init(9) — slay, bye 🧚💫