sdma_v4_0_r...it_hdp_flush(9)

🌸 NAME 🌸

sdma_v4_0_ring_emit_hdp_flush — emit an hdp flush on the DMA ring

okay bestie, welcome to the Kernel API Manual entry for this little icon 💅. The short version is literally right there: it emits an hdp flush on the DMA ring. No cap.

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✨ SYNOPSIS ✨

void sdma_v4_0_ring_emit_hdp_flush (struct amdgpu_ring *ring );

That's the exact signature, spaces and all — don't come for me 🫶.

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🎀 ARGUMENTS 🎀

• ring — amdgpu ring pointer. That's the ring pointer being handed over, periodt 💖.

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🦋 DESCRIPTION 🦋

Okay so here's the whole vibe: this function emits an hdp flush packet on the requested DMA ring. That's it, that's the job ✨. It's giving "one specific DMA-ring task, done and slayed."

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🔥 SEE ALSO 🔥

The kernel file lives at ./drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c 👑

• sdma_v4_0_init_microcode(9)
• sdma_v4_0_ring_get_rptr(9)
• sdma_v4_0_ring_get_wptr(9)
• sdma_v4_0_ring_set_wptr(9)
• sdma_v4_0_page_ring_get_wptr(9)
• sdma_v4_0_page_ring_set_wptr(9)
• sdma_v4_0_ring_emit_ib(9)
• sdma_v4_0_ring_emit_fence(9)
• sdma_v4_0_gfx_enable(9)
• sdma_v4_0_rlc_stop(9)
• sdma_v4_0_page_stop(9)
• sdma_v4_0_ctx_switch_enable(9)
• sdma_v4_0_enable(9)
• sdma_v4_0_gfx_resume(9)
• sdma_v4_0_page_resume(9)
• sdma_v4_0_rlc_resume(9)
• sdma_v4_0_load_microcode(9)
• sdma_v4_0_start(9)
• sdma_v4_0_ring_test_ring(9)
• sdma_v4_0_ring_test_ib(9)
• sdma_v4_0_vm_copy_pte(9)
• sdma_v4_0_vm_write_pte(9)
• sdma_v4_0_vm_set_pte_pde(9)
• sdma_v4_0_ring_pad_ib(9)
• sdma_v4_0_ring_emit_pipeline_sync(9)
• sdma_v4_0_ring_emit_vm_flush(9)
• sdma_v4_0_emit_copy_buffer(9)
• sdma_v4_0_emit_fill_buffer(9)

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and that's the tea 🍓. This page came from ./drivers/gpu/drm/amd/amdgpu, dated October 2026, with page ID sdma_v4_0_r...it_hdp_flush(9) — mwah 💋✨