sdma_v5_2_r...ipeline_sync(9)
π« sdma_v5_2_ring_emit_pipeline_sync π«
okay bestie, quick vibe check first: this page lives in the Kernel API Manual (section 9, the big-brained kernel dev section, iykyk) and it's all about one lil function, sdma_v5_2_ring_emit_pipeline_sync. Yes the header up top is truncated with ... because the name is lowkey too long for the line, that's just how it is, no cap. π
β¨ NAME β¨
sdma_v5_2_ring_emit_pipeline_sync β sync the pipeline π
Straight up. That's the whole job description. It syncs. The pipeline. Periodt.
π¦ SYNOPSIS π¦
void sdma_v5_2_ring_emit_pipeline_sync (struct amdgpu_ring *ring );
So it returns void (nothing comes back, it's giving "the journey is the destination" β¨), and it takes exactly one thing: a pointer to a struct amdgpu_ring. Slay.
πΈ ARGUMENTS πΈ
ringβ anamdgpu_ringpointer π. That's the ring you're handing over so it can do its little pipeline-sync moment. That's the only argument, bestie, it's a one-argument icon.
π DESCRIPTION π
Make sure all previous operations are completed (CIK). π«Ά
That's it, that's the tea. Emit the sync so everything queued up before this point is done-done before you keep going. The (CIK) note is right there in the original and we're keeping it, because details are the main character here. β
ngl this is one of those "short but it matters" functions β it's literally the fence at the end of the queue. π§
π₯ SEE ALSO π₯
Kernel file ./drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c β that's where the whole crew lives, go say hi π
sdma_v5_2_ring_get_rptr(9)sdma_v5_2_ring_get_wptr(9)sdma_v5_2_ring_set_wptr(9)sdma_v5_2_ring_emit_ib(9)sdma_v5_2_ring_emit_mem_sync(9)sdma_v5_2_ring_emit_hdp_flush(9)sdma_v5_2_ring_emit_fence(9)sdma_v5_2_gfx_stop(9)sdma_v5_2_rlc_stop(9)sdma_v5_2_ctx_switch_enable(9)sdma_v5_2_enable(9)sdma_v5_2_gfx_resume_instance(9)sdma_v5_2_gfx_resume(9)sdma_v5_2_rlc_resume(9)sdma_v5_2_load_microcode(9)sdma_v5_2_start(9)sdma_v5_2_ring_test_ring(9)sdma_v5_2_ring_test_ib(9)sdma_v5_2_vm_copy_pte(9)sdma_v5_2_vm_write_pte(9)sdma_v5_2_vm_set_pte_pde(9)sdma_v5_2_ring_pad_ib(9)sdma_v5_2_ring_emit_vm_flush(9)sdma_v5_2_emit_copy_buffer(9)sdma_v5_2_emit_fill_buffer(9)
all of them, every single one, nobody left behind π
k bye bestie, go sync that pipeline π
this page came from ./drivers/gpu/drm/amd/amdgpu and it's dated October 2026, and the page itself is sdma_v5_2_r...ipeline_sync(9) β yes the ... is doing a lot of work, we love an abbreviated queen π
β¨
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms