sdma_v4_0_r...ipeline_sync(9)

🌸 NAME 🌸 — sdma_v4_0_ring_emit_pipeline_sync(9) from the Kernel API Manual

okay bestie, this is sdma_v4_0_ring_emit_pipeline_sync and its whole personality is: sync the pipeline. That’s the name, that’s the function, that’s the assignment. 💅

🦋 SYNOPSIS 🦋

void sdma_v4_0_ring_emit_pipeline_sync (struct amdgpu_ring *ring );

🎀 ARGUMENTS 🎀

• ring — an amdgpu_ring pointer. That’s the one and only argument, bestie. 🫶

✨ DESCRIPTION ✨

okay so the actual job is literally this: make sure all previous operations are completed (CIK). No cap. That’s the description, and it’s giving very “clean up your room before you go out” energy. 🧚

💖 SEE ALSO 💖

The kernel file is right here: ./drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c — go off, read the source, iykyk. 👑

Also lowkey the whole friend group of related functions:

• 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_hdp_flush(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_vm_flush(9)
• sdma_v4_0_emit_copy_buffer(9)
• sdma_v4_0_emit_fill_buffer(9)

xoxo, bestie — sourced from ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and filed under the Kernel API Manual 💖✨