tonga_ih_decode_iv(9)

💖 NAME 💖

okay so this is tonga_ih_decode_iv(9) from the Kernel API Manual, and it has exactly one iconic job: decode an interrupt vector. That's it, that's the whole main character arc ✨.

✨ SYNOPSIS ✨

void tonga_ih_decode_iv (struct amdgpu_device *adev , struct
       amdgpu_ih_ring *ih , struct amdgpu_iv_entry *entry );

🎀 ARGUMENTS 🎀

• adev — an amdgpu_device pointer. The GPU device bestie, basically.
• ih — the IH ring buffer to decode. Yes, literally that, no cap.
• entry — the IV entry where the decoded information gets placed. Think of it as the little drop-off box for the decoded stuff 🫶.

🦋 DESCRIPTION 🦋

It decodes the interrupt vector at the current rptr position, and it also advances the position. So it reads the thing and moves the pointer forward — a two-for-one slay 💅.

🌸 SEE ALSO 🌸

• Kernel file ./drivers/gpu/drm/amd/amdgpu/tonga_ih.c
• tonga_ih_enable_interrupts(9)
• tonga_ih_disable_interrupts(9)
• tonga_ih_irq_init(9)
• tonga_ih_irq_disable(9)
• tonga_ih_get_wptr(9)
• tonga_ih_set_rptr(9)

okay bye bestie 🎀 this little page lives under ./drivers/gpu/drm/amd/amdgpu, dates to October 2026, and is brought to you by tonga_ih_decode_iv(9) — periodt ✨💖