sdma_v5_2_ring_test_ring(9)
π sdma_v5_2_ring_test_ring(9) π
Okay so this is sdma_v5_2_ring_test_ring(9), straight outta the Kernel API Manual, and bestie it is literally the vibe check for the DMA engine. π«Ά
β¨ NAME β¨
sdma_v5_2_ring_test_ring β simple async dma engine test. That's the whole assignment. No cap. π
π SYNOPSIS π
int sdma_v5_2_ring_test_ring (struct amdgpu_ring *ring );
πΈ ARGUMENTS πΈ
ringβ theamdgpu_ringstructure holding ring information. That's the main character here, fr fr. π
π¦ DESCRIPTION π¦
So what it does is literally: test the DMA engine by using it to write a value to memory. It returns 0 for success and an error for failure. That's it, periodt. π
π SEE ALSO π
Kernel file: ./drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
Other icons in this same saga, all serving (9) energy:
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_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_pipeline_sync(9)sdma_v5_2_ring_emit_vm_flush(9)sdma_v5_2_emit_copy_buffer(9)sdma_v5_2_emit_fill_buffer(9)
Source energy: ./drivers/gpu/drm/amd/amdgpu Β· date: October 2026 Β· byeee bestie, go test that ring 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