sdma_v5_0_ring_set_wptr(9)

📦 version 7.3.1, in nixpkgs unstable

💅 sdma_v5_0_ring_set_wptr(9) — the Kernel API Manual, bestie edition 🎀

okay so real talk, this is a page from the Kernel API Manual, sdma_v5_0_ring_set_wptr(9), and it's literally the whole "commit the write pointer" moment. short page, big main-character energy ✨

🌸 NAME 🌸

sdma_v5_0_ring_set_wptr — commit the write pointer. that's it, that's the vibe, no cap 💖

✨ SYNOPSIS ✨

void sdma_v5_0_ring_set_wptr (struct amdgpu_ring *ring );

it's giving "returns nothing, takes exactly one thing". lowkey iconic of it 🦋

🎀 ARGUMENTS 🎀

  • ring — the amdgpu ring pointer. like, the ring itself. hand it over and it's your problem now 🫶

💜 DESCRIPTION 💜

so what does it do? it writes the wptr back to the hardware. that's the whole task. also, heads up, this one is NAVI10+ only, so double check your vibe check before you come for this function 🙈

ngl this is a very small function doing a very specific thing. it commits. it writes. it goes home. periodt 💅

🔥 SEE ALSO 🔥

  • the kernel file it lives in: ./drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c — yes, it's right there, go look at it, i'll wait 👑

and the whole friend group, in order, exactly like the original handed them to us:

like, that's the entire roster. every single one. no cuties left behind 💀

and that's the page!! it lives in ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and yes this whole thing is your little sdma_v5_0_ring_set_wptr(9) bday card. go commit that write pointer, bestie. you got this. 🍓🧚⭐

📦 where this page comes from