sdma_v3_0_vm_set_pte_pde(9)

📦 version 7.3.1, in nixpkgs unstable

💅 sdma_v3_0_vm_set_pte_pde 💅

okay so bestie, welcome to the Kernel API Manual — yes, that's the manual name, we're fancy here ✨ — and today's main character is a lil function called sdma_v3_0_vm_set_pte_pde. it's a mouthful, i know. say it three times fast, i dare you 🫶

✨ NAME ✨

sdma_v3_0_vm_set_pte_pde — literally just: update the page tables using sDMA. that's the whole vibe. no cap 💅

🌸 SYNOPSIS 🌸

void sdma_v3_0_vm_set_pte_pde (struct amdgpu_ib *ib , uint64_t pe ,
uint64_t addr , unsigned count , uint32_t incr , uint64_t flags );

it returns void, so like… don't go looking for a return value, she's not giving you one 😭

🎀 ARGUMENTS 🎀

okay so every single one of these matters, don't skip:

  • ib — the indirect buffer you're filling with commands. this is the canvas, she's the paint 🖌️
  • pe — addr of the page entry. yes, "addr of the page entry", that's the whole description, treasure it 💖
  • addr — the dst addr you're writing into pe. destination energy only ✨
  • count — how many page entries we're updating. a whole squad, not just one 👑
  • incr — increase the next addr by incr bytes. lil step-by-step walk through memory 🚶‍♀️
  • flags — access flags. the permission slip, iykyk 🎫

🦋 DESCRIPTION 🦋

update the page tables using sDMA (CIK). that's it, that's the description, and honestly? iconic. short, sweet, does exactly what it says on the tin 🔥

🌈 SEE ALSO 🌈

bestie, there is a whole friend group here, and you should meet all of them:

like, look at that roster. ate and left no crumbs 💀✨

aaaand that's the page!! 🎀 cute lil sign-off time: this beauty lives over in ./drivers/gpu/drm/amd/amdgpu, and it was stamped October 2026 — so yeah, she's got a date on her and everything 💖 slay, go update some page tables, bestie 🫶🌸

📦 where this page comes from