__i915_gem_..._address_len(9)

💅 __i915_gem_..._address_len(9) — Kernel API Manual 🎀

Welcome to the Kernel API Manual, bestie — this is the glow-up of the page for __i915_gem_object_get_dma_address_len, and it’s lowkey a tiny helper with a very long name. Let’s get into it ✨

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🌸 NAME 🌸

__i915_gem_object_get_dma_address_len — helper to get bus addresses of targeted DMA mapped scatterlist from i915 GEM buffer object and it's length. 💅

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✨ SYNOPSIS ✨

Okay so here’s the signature, exactly as it is — no cap:

       dma_addr_t __i915_gem_object_get_dma_address_len (struct
       drm_i915_gem_object *obj , pgoff_t n , unsigned int *len );

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🎀 ARGUMENTS 🎀

• obj — i915 GEM buffer object.
• n — page offset.
• len — DMA mapped scatterlist's DMA bus addresses length to return.

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🌟 RETURN 🌟

Bus addresses of targeted DMA mapped scatterlist. That’s the whole return vibe 🫶

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🦋 DESCRIPTION 🦋

The manual says it’s recommended to use the wrapper macro: i915_gem_object_get_dma_address_len. That’s the official rec, bestie — the wrapper is giving main character energy.

Also see __i915_gem_object_page_iter_get_sg and __i915_gem_object_get_sg_dma for the related helper squad. 🔥

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👑 SEE ALSO 👑

Kernel file: ./drivers/gpu/drm/i915/gem/i915_gem_object.h

The whole SEE ALSO lineup, in order, no skips:

• i915_gem_object_lookup_rcu(9)
• __i915_gem_object_page_iter_get_sg(9)
• i915_gem_object_page_iter_get_sg(9)
• __i915_gem_object_get_sg(9)
• i915_gem_object_get_sg(9)
• __i915_gem_object_get_sg_dma(9)
• i915_gem_object_get_sg_dma(9)
• __i915_gem_object_get_page(9)
• i915_gem_object_get_page(9)
• __i915_gem_object_get_dirty_page(9)
• i915_gem_object_get_dirty_page(9)
• i915_gem_object_get_dma_address_len(9)
• __i915_gem_object_get_dma_address(9)
• i915_gem_object_get_dma_address(9)
• i915_gem_object_pin_map(9)
• i915_gem_object_unpin_map(9)

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And that’s the page, bestie! Source/version: ./drivers/gpu/drm/i915/gem · date: October 2026 · page: __i915_gem_..._address_len(9). Stay iconic 💖🌈