sdma_v5_0_ring_pad_ib(9)
β¨ sdma_v5_0_ring_pad_ib β¨
okay so this is a page from the Kernel API Manual, section 9 β yes bestie, the kernel one, we're in the big leagues now π
πΈ NAME πΈ
sdma_v5_0_ring_pad_ib β pad the IB π
π¦ SYNOPSIS π¦
void sdma_v5_0_ring_pad_ib (struct amdgpu_ring *ring , struct amdgpu_ib
*ib );
π ARGUMENTS π
ringβ theamdgpu_ringstructure that's holding all your ring information, she's the main character here πibβ the indirect buffer you're gonna fill with padding, get her cozy π«Ά
β DESCRIPTION β
So what does it actually do?? It pads the IB with NOPs until it lands on a boundary that's a multiple of 8. That's it. That's the whole vibe. β¨
Like, literally, NOPs to an 8-multiple. No cap. π₯
π SEE ALSO π
Kernel file ./drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c β go read her, iykyk π
sdma_v5_0_init_microcode(9)sdma_v5_0_ring_get_rptr(9)sdma_v5_0_ring_get_wptr(9)sdma_v5_0_ring_set_wptr(9)sdma_v5_0_ring_emit_ib(9)sdma_v5_0_ring_emit_mem_sync(9)sdma_v5_0_ring_emit_hdp_flush(9)sdma_v5_0_ring_emit_fence(9)sdma_v5_0_gfx_stop(9)sdma_v5_0_rlc_stop(9)sdma_v5_0_ctx_switch_enable(9)sdma_v5_0_enable(9)sdma_v5_0_gfx_resume_instance(9)sdma_v5_0_gfx_resume(9)sdma_v5_0_rlc_resume(9)sdma_v5_0_load_microcode(9)sdma_v5_0_start(9)sdma_v5_0_ring_test_ring(9)sdma_v5_0_ring_test_ib(9)sdma_v5_0_vm_copy_pte(9)sdma_v5_0_vm_write_pte(9)sdma_v5_0_vm_set_pte_pde(9)sdma_v5_0_ring_emit_pipeline_sync(9)sdma_v5_0_ring_emit_vm_flush(9)sdma_v5_0_emit_copy_buffer(9)sdma_v5_0_emit_fill_buffer(9)
that's a whole friend group right there, go say hi to all of them π§π
sign-off time!! this cutie lives in ./drivers/gpu/drm/amd/amdgpu, she's dated October 2026, and she answers to sdma_v5_0_ring_pad_ib(9) β mwah, bye bestie ππΈ
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