vcn_v4_0_5_start(9)
π vcn_v4_0_5_start (9) β from the Kernel API Manual, bestie β¨
okay so picture this: it's a page from the Kernel API Manual, it's called vcn_v4_0_5_start(9), and it's here to tell you everything about starting the VCN block. it's short, it's sweet, it's iconic. let's get into it π«Ά
πΈ NAME πΈ
vcn_v4_0_5_start β literally just: VCN start. that's the whole vibe. no cap π
β SYNOPSIS β
int vcn_v4_0_5_start (struct amdgpu_vcn_inst *vinst );
that's it. that's the function. it returns an int, and it takes one (1) argument. she's lowkey minimal π
π¦ ARGUMENTS π¦
vinstβ the VCN instance π like, the specific one we're talking about. bestie, it's your VCN instance. own it.
π₯ DESCRIPTION π₯
Start VCN block π
that's the whole description. she starts the VCN block. main character energy, honestly π
π SEE ALSO π
okay so this is the part where the page flexes its whole friend group π«Ά and you know we're not skipping a single one of them, so here's everybody, fr fr:
- the kernel file:
./drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.cπ (that's the source, iykyk) vcn_v4_0_5_early_init(9)vcn_v4_0_5_sw_init(9)vcn_v4_0_5_sw_fini(9)vcn_v4_0_5_hw_init(9)vcn_v4_0_5_hw_fini(9)vcn_v4_0_5_suspend(9)vcn_v4_0_5_resume(9)vcn_v4_0_5_mc_resume(9)vcn_v4_0_5_mc_resume_dpg_mode(9)vcn_v4_0_5_disable_static_power_gating(9)vcn_v4_0_5_enable_static_power_gating(9)vcn_v4_0_5_disable_clock_gating(9)vcn_v4_0_5_disable_clock_gating_dpg_mode(9)vcn_v4_0_5_enable_clock_gating(9)vcn_v4_0_5_start_dpg_mode(9)vcn_v4_0_5_stop_dpg_mode(9)vcn_v4_0_5_stop(9)vcn_v4_0_5_pause_dpg_mode(9)vcn_v4_0_5_unified_ring_get_rptr(9)vcn_v4_0_5_unified_ring_get_wptr(9)vcn_v4_0_5_unified_ring_set_wptr(9)vcn_v4_0_5_set_unified_ring_funcs(9)vcn_v4_0_5_is_idle(9)vcn_v4_0_5_wait_for_idle(9)vcn_v4_0_5_set_clockgating_state(9)vcn_v4_0_5_process_interrupt(9)vcn_v4_0_5_set_irq_funcs(9)
look at that list. twenty-eight whole friends and not one of them skipped. ate and left no crumbs π
and that's the page!! π it lives at ./drivers/gpu/drm/amd/amdgpu, dated October 2026 β so yeah, from the future, slay. drink some water, go start a VCN block, bye bestie 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