amdgpu_vm_sdma_prepare(9)

📦 version 7.3.1, in nixpkgs unstable

💅 amdgpu_vm_sdma_prepare 💅

okay so bestie, welcome to the Kernel API Manual, section 9 — this little cutie is amdgpu_vm_sdma_prepare(9), and it's literally the "get ready before we actually submit" moment for SDMA command submission ✨

🌸 NAME 🌸

amdgpu_vm_sdma_prepare — prepare SDMA command submission 🎀

🦋 SYNOPSIS 🦋

int amdgpu_vm_sdma_prepare (struct amdgpu_vm_update_params *p , struct
amdgpu_sync *sync , u64 k_job_id );

no cap, that's the whole signature — three args, one int coming back at you 💖

👑 ARGUMENTS 👑

  • p — honestly just see the amdgpu_vm_update_params definition, that's where all the lore lives 📖
  • sync — an amdgpu_sync object holding the fences we gotta wait for, like the group chat read receipts but for GPU work ⏳
  • k_job_id — the identifier of the job, and it's there for tracing purposes only, so it's giving backstage pass, not main character 🎟️

⭐ RETURN ⭐

Negative errno when it doesn't slay, 0 for success — that's the vibe check, periodt 💀✨

🌈 SEE ALSO 🌈

Kernel file ./drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c — that's the source, go be nosy 🧚

and the whole friend group:

ngl, prepare is the pre-game — the commit is where the actual party happens 🫶

okay that's the whole page, mwah 💜 it ships from ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and it's filed under amdgpu_vm_sdma_prepare(9) — go forth and submit your SDMA commands responsibly, bestie 🔥👑

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