si_dma_ring_test_ib(9)

🎀 NAME 🎀

This is the si_dma_ring_test_ib(9) page from the Kernel API Manual, and it's lowkey iconic: si_dma_ring_test_ib tests an IB on the DMA engine. Periodt. 💅

✨ SYNOPSIS ✨

int si_dma_ring_test_ib (struct amdgpu_ring *ring , long timeout );

🌸 ARGUMENTS 🌸

• ring — struct amdgpu_ring *ring, aka the amdgpu_ring structure holding ring information. That's the main character of this function call. 👑
• timeout — long timeout, the timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT. Pick your fighter, bestie. ⏳

🔥 DESCRIPTION 🔥

It tests a simple IB in the DMA ring (VI). The vibe check is simple: returns 0 on success, error on failure. Fr fr, that's it. 🍓

🦋 SEE ALSO 🦋

• Kernel file ./drivers/gpu/drm/amd/amdgpu/si_dma.c
• si_dma_ring_get_rptr(9)
• si_dma_ring_get_wptr(9)
• si_dma_ring_emit_fence(9)
• si_dma_ring_test_ring(9)
• si_dma_vm_copy_pte(9)
• si_dma_vm_write_pte(9)
• si_dma_vm_set_pte_pde(9)
• si_dma_ring_pad_ib(9)
• si_dma_ring_emit_pipeline_sync(9)
• si_dma_ring_emit_vm_flush(9)
• si_dma_emit_copy_buffer(9)
• si_dma_emit_fill_buffer(9)

Source/version: ./drivers/gpu/drm/amd/amdgpu — date: October 2026 — page: si_dma_ring_test_ib(9). Bye bestie, stay hydrated and may your DMA ring test return 0! 💖✨