cik_sdma_hdp...sh_ring_emit(9)

💅 cik_sdma_hdp_flush_ring_emit(9)

okay so welcome to the Kernel API Manual, bestie — this page is literally all about cik_sdma_hdp_flush_ring_emit, and the vibe is “emit an hdp flush on the DMA ring.” ✨

🌸 NAME

cik_sdma_hdp_flush_ring_emit — emit an hdp flush on the DMA ring. 💖

✨ SYNOPSIS

void cik_sdma_hdp_flush_ring_emit (struct radeon_device *rdev , int ridx
);

🎀 ARGUMENTS

• rdev — a radeon_device pointer. That’s the device situation, bestie. 🫶
• ridx — the radeon ring index. iykyk, it’s which ring we’re talking about. 💅

💖 DESCRIPTION

Emit an hdp flush packet on the requested DMA ring. That’s the assignment, and she ate. 🔥 The synopsis says void, so there’s no return value to chase — just the packet, the requested DMA ring, and the hdp flush. Periodt. ✨

🦋 SEE ALSO

The Kernel file is ./drivers/gpu/drm/radeon/cik_sdma.c, and here are all the related-page besties — every. single. one. 💜

• cik_sdma_get_rptr(9)
• cik_sdma_get_wptr(9)
• cik_sdma_set_wptr(9)
• cik_sdma_ring_ib_execute(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)
• cik_sdma_vm_pad_ib(9)

🎀 cute sign-off: source/version line is ./drivers/gpu/drm/radeon, date is October 2026, and the page is cik_sdma_hdp...sh_ring_emit(9). bye bestie, go flush that hdp 💅✨