cik_sdma_vm_pad_ib(9)

💅 cik_sdma_vm_pad_ib — the kernel API manual, but make it make sense 🎀

okay bestie, so this is a page from the kernel API manual (section 9, the fancy kernel-doc one, iykyk) ✨ and it's about one tiny little function that honestly does exactly what it says on the tin. no cap.

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✨ NAME ✨

cik_sdma_vm_pad_ib — pad the IB to the required number of dw 💖

like… literally that's the whole job. it pads. the IB. to the required number of dw. periodt. 🫶

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🌸 SYNOPSIS 🌸

void cik_sdma_vm_pad_ib (struct radeon_ib *ib );

she takes one argument, she returns void, she's lowkey mysterious about it but the vibe check passes. 👑

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🦋 ARGUMENTS 🦋

• ib — the indirect buffer to fill with padding 🧚 so yeah, this is the thing that gets stuffed full of padding. she's the main character here fr fr.

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🌈 SEE ALSO 🌈

bestie there is a WHOLE friend group here, and the kernel file they all live in is:

./drivers/gpu/drm/radeon/cik_sdma.c

and okay the squad roll call, not me listing all 23 of them 💀 (i'm listing all 23 of them):

• 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_sdma_fini(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)

every single one of them ate, no crumbs left 💅🔥

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lowkey iconic that a function this small gets her own manpage, but that's the kernel for you. obsessed. 🌸

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and that's the whole page, bestie 🎀 this one came out of ./drivers/gpu/drm/radeon, dated October 2026, and it's filed under cik_sdma_vm_pad_ib(9) — drink water, read your manpages, mwah 💜✨