drm_dev_dma_dev(9)

💅 drm_dev_dma_dev(9) — Kernel API Manual, but make it cute 🎀

okay so bestie, welcome to drm_dev_dma_dev from the Kernel API Manual ✨ this is a little one but she's iconic, and honestly the way she just hands you a device pointer? slay. let's get into it 💖

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✨ NAME ✨

drm_dev_dma_dev — returns the DMA device for a DRM device 🫶

like literally, that's the whole job. she gives you the DMA device. that's her main character moment.

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🌸 SYNOPSIS 🌸

struct device * drm_dev_dma_dev (struct drm_device *dev );

that's the whole signature, no cap 💅 take a struct drm_device * named dev, get back a struct device *. clean. simple. ate.

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🦋 ARGUMENTS 🦋

• dev — DRM device 💜 this is the one you're feeding in, the DRM device whose DMA buddy you want back.

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🌈 DESCRIPTION 🌈

Returns the DMA device of the given DRM device ✨

and here's the tea: by default, this is the DRM device's parent 👑 that's the automatic vibe unless somebody's changed things up.

want to know more about that? see drm_dev_set_dma_dev 🎀 (iykyk)

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⭐ RETURN ⭐

A DMA-capable device for the DRM device 💖 not a NULL, not a maybe — a DMA-capable device. periodt.

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🔥 SEE ALSO 🔥

• Kernel file ./include/drm/drm_device.h 📁 like literally go read the header bestie
• struct drm_wedge_task_info(9) 🙈
• enum switch_power_state(9) ⚡
• struct drm_device(9) 👑

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lowkey reminder: this is all documented under ./include/drm — that's where she lives 🏡 don't go looking in the wrong directory fr fr

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k that's the whole page, you're officially educated 💀✨ stay hydrated, read your headers, and remember: the default parent is doing so much unpaid labour for you 🫶

— written with love from ./include/drm, October 2026 edition 🎀💜