sdma_v2_4_r...it_hdp_flush(9)

✨ NAME ✨

sdma_v2_4_ring_emit_hdp_flush — emit an hdp flush on the DMA ring

Okay bestie, welcome to the Kernel API Manual page for sdma_v2_4_ring_emit_hdp_flush(9). This is so specific and honestly kind of iconic. 🎀

🌸 SYNOPSIS 🌸

void sdma_v2_4_ring_emit_hdp_flush (struct amdgpu_ring *ring );

It’s giving void, so this function doesn’t hand a return value back to you. The one parameter is a struct amdgpu_ring * named ring. 💅

🎀 ARGUMENTS 🎀

• ring — amdgpu ring pointer. That’s the whole argument, bestie; it points at the amdgpu ring this call is about. 🦋

✨ DESCRIPTION ✨

Emit an hdp flush packet on the requested DMA ring. That’s the tea: the function emits an hdp flush packet on the DMA ring you requested. Periodt. 🔥

👀 SEE ALSO 👀

Kernel file: ./drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c 🧚

• sdma_v2_4_init_microcode(9)
• sdma_v2_4_ring_get_rptr(9)
• sdma_v2_4_ring_get_wptr(9)
• sdma_v2_4_ring_set_wptr(9)
• sdma_v2_4_ring_emit_ib(9)
• sdma_v2_4_ring_emit_fence(9)
• sdma_v2_4_gfx_stop(9)
• sdma_v2_4_rlc_stop(9)
• sdma_v2_4_enable(9)
• sdma_v2_4_gfx_resume(9)
• sdma_v2_4_rlc_resume(9)
• sdma_v2_4_start(9)
• sdma_v2_4_ring_test_ring(9)
• sdma_v2_4_ring_test_ib(9)
• sdma_v2_4_vm_copy_pte(9)
• sdma_v2_4_vm_write_pte(9)
• sdma_v2_4_vm_set_pte_pde(9)
• sdma_v2_4_ring_pad_ib(9)
• sdma_v2_4_ring_emit_pipeline_sync(9)
• sdma_v2_4_ring_emit_vm_flush(9)
• sdma_v2_4_emit_copy_buffer(9)
• sdma_v2_4_emit_fill_buffer(9)

That’s the whole scroll, bestie 💖 Shoutout to the ./drivers/gpu/drm/amd/amdgpu source den, the October 2026 date, and the lil’ footer handle sdma_v2_4_r...it_hdp_flush(9) — slaying in the Kernel API Manual forever. 🫶🌷