gfx_v7_0_ring_emit_ib_gfx(9)
π gfx_v7_0_ring_emit_ib_gfx(9) β like, the Kernel API Manual bestie edition π
okay so bestie, gather round, because we're about to talk about the single most "trust me I'm a driver" function in the whole amdgpu cinematic universe β¨
πΈ NAME πΈ
gfx_v7_0_ring_emit_ib_gfx β literally just emit an IB (Indirect Buffer) on the ring, no cap π
π¦ SYNOPSIS π¦
void gfx_v7_0_ring_emit_ib_gfx (struct amdgpu_ring *ring , struct
amdgpu_job *job , struct amdgpu_ib *ib , uint32_t flags );
that's it. that's the whole signature. she's giving void, she's giving "I don't return anything because I'm too iconic" π
β¨ ARGUMENTS β¨
ringβ theamdgpu_ringstructure that's holding all the ring information. she's the main character holding the group chat together π«Άjobβ the job we're pulling thevmidfrom. yes bestie, we got it from there πibβ theamdgpuindirect buffer object. the little packet of destiny πflagsβ the options, and rn the one on the menu isAMDGPU_HAVE_CTX_SWITCHβ
π₯ DESCRIPTION π₯
so what does she do? she emits a DE (drawing engine) or CE (constant engine) IB on the gfx ring. iconic behavior, honestly π
and like, where do these IBs even come from? usually they're generated by userspace acceleration drivers and then submitted to the kernel so the kernel can schedule them on the ring. teamwork! collaboration! the way that userspace and kernel are literally a duo π§
this function right here is the one that schedules the IB on the gfx ring for execution by the GPU. she hands it off. she does not do the work herself. she's the connector, she's the middle child of the pipeline, and she ate π₯
π SEE ALSO π
if you're nosy (love that for you), the kernel file lives at ./drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c and the whole friend group is:
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_test_ib(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)
like, that's a whole squad. a roster. a lineup ππ
ok that's the page bestie, hope it slayed πΈ this little love letter came to you from./drivers/gpu/drm/amd/amdgpu, dated October 2026, and yes she's still servinggfx_v7_0_ring_emit_ib_gfx(9)energy. mwah π periodt.
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