amdgpu_dma_buf_unpin(9)

💅 amdgpu_dma_buf_unpin(9)

okay bestie, welcome to the Kernel API Manual — this one's a tiny little function but she's lowkey important, so let's get into it 🫶

✨ NAME ✨

amdgpu_dma_buf_unpin — the &dma_buf_ops.unpin implementation, no cap 💫

🌸 SYNOPSIS 🌸

void amdgpu_dma_buf_unpin (struct dma_buf_attachment *attach );

🎀 ARGUMENTS 🎀

• attach — the attachment to unpin 🦋

⭐ DESCRIPTION ⭐

So the whole vibe here: this unpins a BO that was previously pinned, which makes it movable again ✨ literally that's it, that's the function. She un-pins. She frees the vibe. Iconic.

🧚 SEE ALSO 🧚

• 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_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_dma_buf_move_notify(9)
• amdgpu_gem_prime_import(9)
• amdgpu_dmabuf_is_xgmi_accessible(9)

fr fr bestie, <pink>pin <cyan>pin</cyan> unpin</pink> — that's the whole lifecycle and you ate 💅

anyway that's the page 🎀 it lives over in ./drivers/gpu/drm/amd/amdgpu, dated October 2026 — mwah, go read the source, ily, bye 💜