gfx_v7_0_ring_test_ib(9)
π gfx_v7_0_ring_test_ib(9) β straight out of the Kernel API Manual β¨
okay so bestie, welcome to the glow-up era of kernel docs π this one's a little function that lives in the amd GPU driver and honestly? it's giving "trust but verify" energy. no cap.
πΈ NAME πΈ
gfx_v7_0_ring_test_ib β the basic ring IB test π literally just "does this thing work" for your gfx ring.
β¨ SYNOPSIS β¨
int gfx_v7_0_ring_test_ib (struct amdgpu_ring *ring , long timeout );
two arguments, one int back. simple. iconic. π₯
π¦ ARGUMENTS π¦
ringβ theamdgpu_ringstructure that's holding all your ring information π like, this is the whole vibe of the ring right here.timeoutβ the timeout value, measured in jiffies, orMAX_SCHEDULE_TIMEOUTif you're feeling patient π°οΈ (and by patient we mean maximum patience, periodt).
π DESCRIPTION π
So what does it do? It allocates an IB and executes it on the gfx ring (CIK). π«Ά That's it, that's the whole thing.
It's providing a basic gfx ring test β a little vibe check, if you will β to verify that IBs are actually working. β¨
Returns 0 on success π, error on failure π. no in-between, it's not going to be nice about it.
π SEE ALSO π
Bestie, this one has friends. So many friends. Here's the whole group chat π¬ plus the kernel file it all lives in:
Kernel file: ./drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
gfx_v7_0_init_microcode(9)gfx_v7_0_tiling_mode_table_init(9)gfx_v7_0_select_se_sh(9)gfx_v7_0_get_rb_active_bitmap(9)gfx_v7_0_setup_rb(9)gfx_v7_0_init_compute_vmid(9)gfx_v7_0_constants_init(9)gfx_v7_0_ring_test_ring(9)gfx_v7_0_ring_emit_hdp_flush(9)gfx_v7_0_ring_emit_fence_gfx(9)gfx_v7_0_ring_emit_fence_compute(9)gfx_v7_0_ring_emit_ib_gfx(9)gfx_v7_0_cp_gfx_enable(9)gfx_v7_0_cp_gfx_load_microcode(9)gfx_v7_0_cp_gfx_start(9)gfx_v7_0_cp_gfx_resume(9)gfx_v7_0_cp_compute_enable(9)gfx_v7_0_cp_compute_load_microcode(9)gfx_v7_0_cp_compute_resume(9)gfx_v7_0_ring_emit_pipeline_sync(9)gfx_v7_0_ring_emit_vm_flush(9)gfx_v7_0_rlc_stop(9)gfx_v7_0_rlc_start(9)gfx_v7_0_rlc_resume(9)gfx_v7_0_get_gpu_clock_counter(9)gfx_v7_0_get_hdp_flush_mask(9)
ngl bestie, if you're deep enough in the kernel to be reading this page, you already know. but likeβ¦ now you really know π
okay that's a wrap! π this masterpiece brought to you from ./drivers/gpu/drm/amd/amdgpu, dated October 2026, under the name gfx_v7_0_ring_test_ib(9). go forth and test those IBs, queen ππ
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