vcn_v2_0_dec_ring_emit_ib(9)

📦 version 7.3.1, in nixpkgs unstable

💅 vcn_v2_0_dec_ring_emit_ib(9) 💅

okay so bestie, welcome to the vcn_v2_0_dec_ring_emit_ib page — yes that's a whole mouthful, yes it's from the Kernel API Manual, and yes we're gonna get through it together 🫶 this is the decode-ring girlie of the vcn_v2_0 family and she has ONE job, but we're gonna learn it properly.

✨ NAME ✨

vcn_v2_0_dec_ring_emit_ib — execute indirect buffer 🌸

like, that's literally the whole personality. she emits. she executes. she goes off.

🎀 SYNOPSIS 🎀

void vcn_v2_0_dec_ring_emit_ib (struct amdgpu_ring *ring , struct
amdgpu_job *job , struct amdgpu_ib *ib , uint32_t flags );

no return value, ngl — she's a void girlie, she does the thing and she doesn't report back 💀

🌈 ARGUMENTS 🌈

four params, let's meet them, they're all main characters in their own way:

  • ring — an amdgpu_ring pointer. yes queen, the ring. that's the vibe. 💫
  • job — the job we're pulling the vmid from. she's not here to do the work herself, she's here to hand over the vmid, iconic honestly 👑
  • ib — the indirect buffer we're about to execute. this is the actual moment, this is her moment 🔥
  • flags — unused. yeah. it's giving background character. we still love her though 🎀

🦋 DESCRIPTION 🦋

Write ring commands to execute the indirect buffer ✨

that's it, that's the whole description, and honestly? it eats. she writes ring commands, the indirect buffer gets executed, periodt 💅 no extra lore, no secret behaviour, just ring commands → indirect buffer → done.

💜 SEE ALSO 💜

okay this is the friend group, and they're a LOT, so let's go 🧚

First, the kernel file herself:

  • Kernel file ./drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c

and now the whole squad, in exactly this order:

twenty of them. twenty!!! she's got a big chosen family and we respect it 😭🫶

lowkey a reminder bestie: flags really is unused here — don't go passing something in expecting magic, it's just vibes 🌸

and that's the page!! mwah 💋 this lil doc lives over in ./drivers/gpu/drm/amd/amdgpu and it's dated October 2026 — go bestie, go write those ring commands 💖✨

📦 where this page comes from