r600_dma_ring_ib_execute(9)

💅 r600_dma_ring_ib_execute(9) 💅

okay so this is a page from the Kernel API Manual bestie, and it's about one very specific little function. buckle up, it's a short one but it's iconic 💖

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✨ NAME ✨

r600_dma_ring_ib_execute — the girl whose whole job is scheduling an IB on the DMA engine 🎀

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🦋 SYNOPSIS 🦋

void r600_dma_ring_ib_execute (struct radeon_device *rdev , struct
       radeon_ib *ib );

like, that's the whole signature. no return value, no drama, just vibes and two pointers 💅

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🌸 ARGUMENTS 🌸

• rdev — a radeon_device pointer, aka the whole device situation 🫶
• ib — the IB object to schedule. yes queen, get in the ring 💀

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⭐ DESCRIPTION ⭐

Schedule an IB in the DMA ring. that's it. that's the description. r6xx–r7xx specifically, no cap 🔥

short and sweet, lowkey the most efficient little description ever written ngl 😭

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💜 SEE ALSO 💜

the kernel file lives at ./drivers/gpu/drm/radeon/r600_dma.c and honestly the whole squad is listed here so let's give them their moment:

• r600_dma_get_rptr(9)
• r600_dma_get_wptr(9)
• r600_dma_set_wptr(9)
• r600_dma_stop(9)
• r600_dma_resume(9)
• r600_dma_fini(9)
• r600_dma_is_lockup(9)
• r600_dma_ring_test(9)
• r600_dma_fence_ring_emit(9)
• r600_dma_semaphore_ring_emit(9)
• r600_dma_ib_test(9)
• r600_copy_dma(9)

fr fr go read them, they're all main character energy in their own way 👑

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ok that's the whole page bestie, it's tiny but it ate 🌈

and for the cute sign-off: this one's stamped ./drivers/gpu/drm/radeon, dated October 2026, and it's literally titled r600_dma_ring_ib_execute(9) — periodt 💅✨