gfx_v7_0_rlc_resume(9)

📦 version 7.3.1, in nixpkgs unstable

💖 gfx_v7_0_rlc_resume(9) 💖

okay so welcome to the Kernel API Manual, bestie — we're talking about gfx_v7_0_rlc_resume today and honestly? she's a little baddie with one job and she does it. ✨

🌸 NAME 🌸

gfx_v7_0_rlc_resume — setup the RLC hw

like, literally the function that gets the RLC hardware up and running. that's the whole vibe. 🎀

🦋 SYNOPSIS 🦋

int gfx_v7_0_rlc_resume (struct amdgpu_device *adev );

no cap, that's the whole signature. one argument, returns an int. clean, simple, iconic. 💅

👑 ARGUMENTS 👑

  • adev — an amdgpu_device pointer. that's it, that's the whole list. she needs a handle to the AMD GPU device she's working with and then she's off to the races. 🏁

🔥 DESCRIPTION 🔥

so what does she actually do? three things, and she does them in order, periodt:

  1. Initialize the RLC registers 💜
  2. load the ucode 🍓
  3. start the RLC (CIK) 🌈

and then she reports back to you, because communication is key in any relationship:

  • returns 0 for success — slay, we love a clean return ✨
  • returns -EINVAL if the ucode is not available — like, the microcode just isn't there, nothing she can do about it, not her fault fr fr 😭
ngl, if you're seeing -EINVAL coming back from this one, go check whether your ucode situation is actually sorted before you start blaming the resume path. the ucode literally has to be available. that's the deal. 🫶

🧚 SEE ALSO 🧚

the kernel file this lives in, in all her glory:

  • ./drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c

and the whole friend group — go say hi to all of them, they're all part of the same gfx_v7_0 saga:

iykyk — if you're deep in the RLC you already know gfx_v7_0_rlc_stop(9) and gfx_v7_0_rlc_start(9) are her direct besties. 🫶💫

okay that's the whole page, mwah 💋 — this little gem comes from ./drivers/gpu/drm/amd/amdgpu, and it's dated October 2026. go forth and resume that RLC, bestie. 🎀💖🦋

📦 where this page comes from