amdgpu_gem_prime_export(9)

💅 amdgpu_gem_prime_export(9) — Kernel API Manual, bestie ✨

🌸 NAME 🌸

amdgpu_gem_prime_export — it's the &drm_driver.gem_prime_export implementation, periodt. That ampersand is literally part of the code vibe, don't come for me 😌

✨ SYNOPSIS ✨

struct dma_buf * amdgpu_gem_prime_export (struct drm_gem_object *gobj ,
int flags );

🎀 ARGUMENTS 🎀

• gobj — the GEM BO, bestie 💖
• flags — flags such as DRM_CLOEXEC and DRM_RDWR ✨

🦋 DESCRIPTION 🦋

okay so the main work? it's done by the drm_gem_prime_export helper. That's the whole lore here, no cap 🫶

🌈 RETURN 🌈

You get a shared DMA buffer representing the GEM BO from the given device, and that's the tea 🫖 keep it cute.

👑 SEE ALSO 👑

ngl, go peek at these besties:

• 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_dma_buf_create_obj(9)
• amdgpu_dma_buf_move_notify(9)
• amdgpu_gem_prime_import(9)
• amdgpu_dmabuf_is_xgmi_accessible(9)

💖 cute sign-off: this page lives under source ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and it's literally the amdgpu_gem_prime_export(9) girlie signing off — mwah 💋🦋