amdgpu_dma_buf_move_notify(9)

💅 amdgpu_dma_buf_move_notify — like, the kernel API manual bestie ✨

okay so real talk, this page is from the Kernel API Manual and it's all about amdgpu_dma_buf_move_notify(9) — yes the whole name, we're being thorough 🎀

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✨ NAME ✨

amdgpu_dma_buf_move_notify — and it's literally the &attach.invalidate_mappings implementation, no cap 💖

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🌸 SYNOPSIS 🌸

void amdgpu_dma_buf_move_notify (struct dma_buf_attachment *attach );

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🦋 ARGUMENTS 🦋

• attach — the DMA-buf attachment. that's it, that's the whole argument, she's lowkey low-maintenance 🙈

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💜 DESCRIPTION 💜

So what it does is invalidate the DMA-buf attachment, making sure that the we re-create the mapping before the next use. iconic behavior honestly. it's giving "clean slate before the next vibe check" ✨ the mapping gets rebuilt before anybody touches it again, periodt 💅

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🌈 SEE ALSO 🌈

okay bestie, here's the whole friend group 👑

• Kernel file ./drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
• PRIME Buffer Sharing(9)
• dma_buf_attach_adev(9)
• amdgpu_dma_buf_attach(9)
• amdgpu_dma_buf_detach(9)
• amdgpu_dma_buf_pin(9)
• amdgpu_dma_buf_unpin(9)
• amdgpu_dma_buf_map(9)
• amdgpu_dma_buf_unmap(9)
• amdgpu_dma_buf_begin_cpu_access(9)
• amdgpu_gem_prime_export(9)
• amdgpu_dma_buf_create_obj(9)
• amdgpu_gem_prime_import(9)
• amdgpu_dmabuf_is_xgmi_accessible(9)

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🫶 that's the whole page, you ate that, go read it again if you need to, iykyk 💖

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and like, a lil sign-off because we're classy: this one lives at ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and the manual page is amdgpu_dma_buf_move_notify(9) — mwah, bye bestie 💅🎀🌸