sdma_v3_0_ring_test_ib(9)
π NAME π
okay so this page is sdma_v3_0_ring_test_ib(9), straight from the Kernel API Manual, and it is literally about one job: test an IB on the DMA engine. That is the whole main-character mission, bestie. π
β¨ SYNOPSIS β¨
int sdma_v3_0_ring_test_ib (struct amdgpu_ring *ring , long timeout );
π ARGUMENTS π
ringβ theamdgpu_ringstructure holding ring information, aka the ring's whole little info bag. π«Άtimeoutβ timeout value in jiffies, orMAX_SCHEDULE_TIMEOUT. That is the wait-time situation, no cap. β³
π¦ DESCRIPTION π¦
Test a simple IB in the DMA ring (VI). That is it, that is the vibe. It returns 0 on success, and error on failure β so 0 is the slay outcome, and error means something went sideways. π
πΈ SEE ALSO πΈ
Kernel file: ./drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c β that is where the source lives, bestie. β¨
sdma_v3_0_init_microcode(9)sdma_v3_0_ring_get_rptr(9)sdma_v3_0_ring_get_wptr(9)sdma_v3_0_ring_set_wptr(9)sdma_v3_0_ring_emit_ib(9)sdma_v3_0_ring_emit_hdp_flush(9)sdma_v3_0_ring_emit_fence(9)sdma_v3_0_gfx_stop(9)sdma_v3_0_rlc_stop(9)sdma_v3_0_ctx_switch_enable(9)sdma_v3_0_enable(9)sdma_v3_0_gfx_resume(9)sdma_v3_0_rlc_resume(9)sdma_v3_0_start(9)sdma_v3_0_ring_test_ring(9)sdma_v3_0_vm_copy_pte(9)sdma_v3_0_vm_write_pte(9)sdma_v3_0_vm_set_pte_pde(9)sdma_v3_0_ring_pad_ib(9)sdma_v3_0_ring_emit_pipeline_sync(9)sdma_v3_0_ring_emit_vm_flush(9)sdma_v3_0_emit_copy_buffer(9)sdma_v3_0_emit_fill_buffer(9)
catch u later β this page came from the source/version spot ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and it is sdma_v3_0_ring_test_ib(9) forever πβ¨
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