sdma_v2_4_vm_copy_pte(9)

📦 version 7.3.1, in nixpkgs unstable

💜 sdma_v2_4_vm_copy_pte(9) — the Kernel API Manual, bestie edition ✨

okay so real talk, this is a page from the Kernel API Manual and the star of the show is sdma_v2_4_vm_copy_pte. she's a little function with one job and she does it flawlessly 💅

✨ NAME ✨

sdma_v2_4_vm_copy_pte — literally updates PTEs by copying them out of the GART 🫶

🌸 SYNOPSIS 🌸

void sdma_v2_4_vm_copy_pte (struct amdgpu_ib *ib , uint64_t pe ,
       uint64_t src , unsigned count );

look at her. returns void, meaning she doesn't come back to tell you how it went — she just does it and dips 😭 main character energy fr

🎀 ARGUMENTS 🎀

  • ib — the indirect buffer you're filling up with commands. she's the canvas, you're the artist 🖌️
  • pe — addr of the page entry 👑
  • src — the src addr you're copying from, iykyk 🌈
  • count — how many page entries we're updating. the more the merrier ngl 💀

🦋 DESCRIPTION 🦋

Update PTEs by copying them from the GART using sDMA (CIK). that's it, that's the whole vibe. iconic, no notes, periodt ✨

ngl the original page gives us exactly one sentence here and honestly? she said what she said. don't come for me, I'm not adding lore that isn't canon 🙈

💖 SEE ALSO 💖

that's 23 siblings and every single one of them is invited to the function family reunion 🧚💜

💀 quick reminder bestie: this page lives in ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and it's all about sdma_v2_4_vm_copy_pte(9). that's the whole receipt, don't lose it 🍓

k bye, go copy some PTEs and slay 💅✨🌸

📦 where this page comes from