si_dma_is_lockup(9)

okay so welcome to this lil Kernel API Manual moment 💖 bestie, we're checking whether the DMA engine is stuck. no cap.

✨ NAME ✨

si_dma_is_lockup — check if the DMA engine is locked up 👀

🌸 SYNOPSIS 🌸

bool si_dma_is_lockup (struct radeon_device *rdev , struct radeon_ring *ring );

🎀 ARGUMENTS 🎀

• rdev — a radeon_device pointer, literally the radeon device handle 🫶
• ring — the radeon_ring structure holding ring information, she's got the ring tea 💅

🦋 DESCRIPTION 🦋

Check if the async DMA engine is locked up. Returns true if the engine appears to be locked up, and false if not. that's the whole vibe check 🔥

🌈 SEE ALSO 🌈

Kernel file ./drivers/gpu/drm/radeon/si_dma.c — plus these iconic neighbors: si_dma_vm_copy_pages(9), si_dma_vm_write_pages(9), si_dma_vm_set_pages(9), and si_copy_dma(9) 💜

source/version cutie: ./drivers/gpu/drm/radeon, dated October 2026, and this page is si_dma_is_lockup(9) — periodt 🎀✨