cik_sdma_vm_set_pte_pde(9)

📦 version 7.3.1, in nixpkgs unstable

💅 cik_sdma_vm_set_pte_pde(9) — Kernel API Manual, bestie edition 🎀

Okay so real talk: this is a page from the Kernel API Manual and honestly? It's giving "small function, big job." Her whole thing is page-table updates via sDMA, and she ate. Let's get into it ✨

🌸 NAME 🌸

cik_sdma_vm_set_pte_pde — updates the page tables using sDMA. That's it, that's the whole vibe 🦋

✨ SYNOPSIS ✨

void cik_sdma_vm_set_pte_pde (struct amdgpu_ib *ib , uint64_t pe ,
       uint64_t addr , unsigned count , uint32_t incr , uint64_t flags );

Like, she takes six args and returns nothing (void), so don't go looking for a return value, she doesn't have one 💀

🫶 ARGUMENTS 🫶

  • ib — the indirect buffer you're filling up with commands. She needs somewhere to put the work ✍️
  • pe — the addr of the page entry. Yes, the page entry. That one 📍
  • addr — the dst addr to write into pe. So it's the destination address that goes inside the page entry, iykyk 🎯
  • count — how many page entries we're updating. Not one, not two, literally count of them 👑
  • incr — bump the next addr by incr bytes as you go. It's the step size, the lil glow-up between iterations 🌈
  • flags — the access flags. Permissions energy 🔐

💜 DESCRIPTION 💜

Update the page tables using sDMA (CIK). That's the whole description, no cap — she's short, she's sweet, she's doing page-table maintenance on CIK hardware and she's not gonna over-explain herself 💅

🌟 SEE ALSO 🌟

The kernel file that she actually lives in, fr fr:

  • ./drivers/gpu/drm/amd/amdgpu/cik_sdma.c

And her whole friend group (the cik_sdma / cik squad, collecting them like stickers 🍓):

Like. The whole roster. Go read them, they're all lowkey iconic 🧚

And that's the page, bestie! Live love page-table-updating-via-sDMA. Sending you off with the full receipt: this one lives under ./drivers/gpu/drm/amd/amdgpu, dated October 2026, from the Kernel API Manual. Mwah 💖🎀✨

📦 where this page comes from