amdgpu_irq_delegate(9)

💅 amdgpu_irq_delegate(9) — Kernel API Manual

Okay bestie, so this is amdgpu_irq_delegate from the Kernel API Manual — it's a lil function in the AMDGPU interrupt squad and it is literally the designated delegator. Let's get into it 🫶

✨ NAME ✨

amdgpu_irq_delegate — delegate IV to soft IH ring 🌸

✨ SYNOPSIS ✨

void amdgpu_irq_delegate (struct amdgpu_device *adev , struct
       amdgpu_iv_entry *entry , unsigned int num_dw );

✨ ARGUMENTS ✨

• adev — the amdgpu device pointer, aka your main character. It's giving "the whole GPU said hi" 💜
• entry — the IV entry. This is the interrupt vector tea you're handing off 🍓
• num_dw — size of IV. Just a number of dwords, no cap, keep it exactly as it is 📏

✨ DESCRIPTION ✨

So here's the vibe: this function delegates the IV to the soft IH ring and schedules the processing of it. That's the whole job, and it does it slayfully ✨

It's the fallback queen 👑 — you reach for it when the hardware delegation to IH1 or IH2 just isn't working for some reason. Hardware being flaky? Not on our watch, we're doing it in software, periodt 💅

Ngl, the "for some reason" is doing a lot of heavy lifting here — the manpage doesn't say why hardware delegation might not work, so we're not gonna invent a reason either, bestie 🙈

✨ SEE ALSO ✨

• Kernel file ./drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c 📁
• Interrupt Handling(9)
• amdgpu_irq_disable_all(9)
• amdgpu_irq_handler(9)
• amdgpu_irq_handle_ih1(9)
• amdgpu_irq_handle_ih2(9)
• amdgpu_irq_handle_ih_soft(9) — the soft-ring sibling, lowkey iconic 🦋
• amdgpu_msi_ok(9)
• amdgpu_irq_init(9)
• amdgpu_irq_fini_sw(9)
• amdgpu_irq_add_id(9)
• amdgpu_irq_dispatch(9)
• amdgpu_irq_update(9)
• amdgpu_irq_gpu_reset_resume_helper(9)
• amdgpu_irq_get(9)
• amdgpu_irq_put(9)
• amdgpu_irq_enabled(9)
• amdgpu_irqdomain_map(9)
• amdgpu_irq_add_domain(9)
• amdgpu_irq_remove_domain(9)
• amdgpu_irq_create_mapping(9)

That's the whole page, bestie, we ate and left zero crumbs 🎀 And for the cute sign-off: this lil masterpiece lives in ./drivers/gpu/drm/amd/amdgpu, it's dated October 2026, and it goes by amdgpu_irq_delegate(9) — remember the name, iykyk 💖🌈