vcn_v5_0_0_...d_ring_funcs(9)
π vcn_v5_0_0_...d_ring_funcs(9) π
okay so bestie, welcome to the Kernel API Manual β yes, the whole manual, and yes, this page is literally named vcn_v5_0_0_...d_ring_funcs(9) because apparently the kernel devs ran out of room and just went "β¦" mid-word. iconic behavior honestly. anyway. sit down, grab a strawberry π, let's talk about a tiny little function that quietly sets up the unified ring functions for the VCN v5.0.0 block in amdgpu. no cap.
β¨ NAME β¨
vcn_v5_0_0_set_unified_ring_funcs β bestie, it sets the unified ring functions. that's it. that's the whole vibe. π
πΈ SYNOPSIS πΈ
void vcn_v5_0_0_set_unified_ring_funcs (struct amdgpu_device *adev );
returns nothing (void), takes exactly one thing, and honestly it's not even a bossy function β it just shows up and does its little job. periodt. π
π¦ ARGUMENTS π¦
adevβ anamdgpu_devicepointer, aka the main character of every single amdgpu driver function ever. give it the respect it deserves. π
π₯ DESCRIPTION π₯
Set unified ring functions. β¨
that's genuinely what the manpage says, and honestly it ate β short, sweet, no notes. this function goes and installs the unified ring function pointers, so everything downstream knows which get-rptr / get-wptr / set-wptr routines to call. it's giving backstage crew energy: nobody claps for it, but the whole show falls apart without it. π«Ά
π SEE ALSO π
the source file itself lives at:
./drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c
and it's surrounded by its entire friend group, fr fr β here's every single one of them, no skips:
vcn_v5_0_0_early_init(9)vcn_v5_0_0_sw_init(9)vcn_v5_0_0_sw_fini(9)vcn_v5_0_0_hw_init(9)vcn_v5_0_0_hw_fini(9)vcn_v5_0_0_suspend(9)vcn_v5_0_0_resume(9)vcn_v5_0_0_mc_resume(9)vcn_v5_0_0_mc_resume_dpg_mode(9)vcn_v5_0_0_disable_static_power_gating(9)vcn_v5_0_0_enable_static_power_gating(9)vcn_v5_0_0_disable_clock_gating(9)vcn_v5_0_0_disable_clock_gating_dpg_mode(9)vcn_v5_0_0_enable_clock_gating(9)vcn_v5_0_0_start_dpg_mode(9)vcn_v5_0_0_set_mmhub_eco_sec_level(9)vcn_v5_0_0_start(9)vcn_v5_0_0_stop_dpg_mode(9)vcn_v5_0_0_stop(9)vcn_v5_0_0_pause_dpg_mode(9)vcn_v5_0_0_unified_ring_get_rptr(9)vcn_v5_0_0_unified_ring_get_wptr(9)vcn_v5_0_0_unified_ring_set_wptr(9)vcn_v5_0_0_is_idle(9)vcn_v5_0_0_wait_for_idle(9)vcn_v5_0_0_set_clockgating_state(9)vcn_v5_0_0_process_interrupt(9)vcn_v5_0_0_set_irq_funcs(9)
like. that's a whole group chat. π« and yeah, vcn_v5_0_0_unified_ring_get_rptr(9), vcn_v5_0_0_unified_ring_get_wptr(9) and vcn_v5_0_0_unified_ring_set_wptr(9) are lowkey the ones this page is about β iykyk. π
okay that's the whole page bestie, go touch some grass, or better yet go read the source πβ¨
π§ this little number comes to you from ./drivers/gpu/drm/amd/amdgpu, dated October 2026 β mwah, sending you love from the kernel tree, bye bestie! 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