cik_sdma_fini(9)

💖 cik_sdma_fini(9) 💖

okay so this is a Kernel API Manual page, and the main character is literally cik_sdma_fini. it's giving teardown era, bestie — not setup, not resume, just the goodbye-girlie cleanup. ✨

🎀 NAME 🎀

cik_sdma_fini — tear down the async dma engines. periodt. 💅

✨ SYNOPSIS ✨

void cik_sdma_fini (struct radeon_device *rdev );

🌸 ARGUMENTS 🌸

• rdev — radeon_device pointer. that's the one pointer this function takes, bestie 🫶

🦋 DESCRIPTION 🦋

Stop the async dma engines and free the rings (CIK). lowkey that's the whole function: stop the async dma engines, free the rings, and it's specifically the CIK situation. no cap. 💖

👑 SEE ALSO 👑

Kernel file ./drivers/gpu/drm/radeon/cik_sdma.c — go read the source, iykyk 📖✨

the whole squad is here:

• cik_sdma_get_rptr(9)
• cik_sdma_get_wptr(9)
• cik_sdma_set_wptr(9)
• cik_sdma_ring_ib_execute(9)
• cik_sdma_hdp_flush_ring_emit(9)
• cik_sdma_fence_ring_emit(9)
• cik_sdma_semaphore_ring_emit(9)
• cik_sdma_gfx_stop(9)
• cik_sdma_rlc_stop(9)
• cik_sdma_ctx_switch_enable(9)
• cik_sdma_enable(9)
• cik_sdma_gfx_resume(9)
• cik_sdma_rlc_resume(9)
• cik_sdma_load_microcode(9)
• cik_sdma_resume(9)
• cik_copy_dma(9)
• cik_sdma_ring_test(9)
• cik_sdma_ib_test(9)
• cik_sdma_is_lockup(9)
• cik_sdma_vm_copy_pages(9)
• cik_sdma_vm_write_pages(9)
• cik_sdma_vm_set_pages(9)
• cik_sdma_vm_pad_ib(9)

okay that's the page, bestie. source/version and date check: this one lives under ./drivers/gpu/drm/radeon, it's dated October 2026, and the page is cik_sdma_fini(9). mwah 💋🌈