cayman_dma_vm_set_pages(9)

📦 version 7.3.1, in nixpkgs unstable

💅 cayman_dma_vm_set_pages (9) 💅

okay so bestie, welcome to the Kernel API Manual ✨ this one's all about cayman_dma_vm_set_pages, and honestly? she's a whole mood. let's get into it 🫶

🌸 NAME 🌸

cayman_dma_vm_set_pages — updating the page tables using the DMA, no cap 💖

✨ SYNOPSIS ✨

void cayman_dma_vm_set_pages (struct radeon_device *rdev , struct
radeon_ib *ib , uint64_t pe , uint64_t addr , unsigned count , uint32_t
incr , uint32_t flags );

like, that's the whole vibe. void return, seven args, she's booked and busy 👑

🎀 ARGUMENTS 🎀

  • rdev — the radeon_device pointer, i.e. ur main character struct 💅
  • ib — the indirect buffer we're filling with commands, she's literally the canvas 🎨
  • pe — addr of the page entry (yes, the page entry, keep up bestie)
  • addr — the dst addr that gets written into pe 📍
  • count — how many page entries we're updating, gotta know the headcount 🧮
  • incr — bump the next addr by incr bytes, lil step-by-step energy 🌈
  • flags — the hw access flags, iykyk 🔥

🦋 DESCRIPTION 🦋

Update the page tables using the DMA (cayman/TN). that's it, that's the whole thing — she updates page tables, she uses the DMA, she slays 💀✨

💜 SEE ALSO 💜

Kernel file ./drivers/gpu/drm/radeon/ni_dma.c and her whole friend group:

and that's the tea, bestie 🍓 this lil gem lives in ./drivers/gpu/drm/radeon, dated October 2026 — go off, October 2026, you ate 🎀✨💖

📦 where this page comes from