sdma_v5_0_vm_copy_pte(9)

📦 version 7.3.1, in nixpkgs unstable

💅 sdma_v5_0_vm_copy_pte(9) — a Kernel API Manual moment 🎀

okay bestie, welcome to the sdma_v5_0_vm_copy_pte(9) page ✨ this one lives in the Kernel API Manual, and honestly she's a whole vibe: short, iconic, does exactly one job and does it slay.

✨ NAME ✨

sdma_v5_0_vm_copy_pte — literally updates PTEs by copying them over from the GART 🫶 no cap, that's the entire personality.

🌸 SYNOPSIS 🌸

void sdma_v5_0_vm_copy_pte (struct amdgpu_ib *ib , uint64_t pe ,
uint64_t src , unsigned count );

see? she's void, she returns nothing, she simply is. main character energy fr fr 💜

🦋 ARGUMENTS 🦋

okay so here's the rundown of everybody walking into this function 🚶‍♀️

  • ib — the indirect buffer you're filling up with commands. she's the canvas, you're the artist 🎨
  • pe — the addr of the page entry. yes, addr, not address, we're keeping it exactly like that 💀
  • src — the src addr to copy from. where the tea comes from ☕
  • count — number of page entries to update. how many besties are getting updated in this batch 👯‍♀️

🔥 DESCRIPTION 🔥

Update PTEs by copying them from the GART using sDMA (NAVI10). 💅

that's it. that's the whole description. she's concise, she's efficient, she's booked and busy. NAVI10 girlies rise 🌈

⭐ SEE ALSO ⭐

the Kernel file, the whole source of truth:

  • ./drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c

and her entire friend group 💖 (seriously, this is the whole group chat, nobody gets left on read):

💀 friendly reminder that this page is dated October 2026 and comes from ./drivers/gpu/drm/amd/amdgpu — so like, screenshot the receipts, iykyk 🙈

okay that's the page bestie, go forth and copy those PTEs 🧚‍♀️💖 periodt. 🌟

📦 where this page comes from