vcn_v4_0_3_wait_for_idle(9)
π vcn_v4_0_3_wait_for_idle π
okay so bestie, welcome to the Kernel API Manual entry for vcn_v4_0_3_wait_for_idle(9) β yes that's the whole name, don't come for me, kernel devs name things like they're running out of vowels π
β¨ NAME β¨
vcn_v4_0_3_wait_for_idle β literally just: wait for the VCN block to be idle π¦
πΈ SYNOPSIS πΈ
int vcn_v4_0_3_wait_for_idle (struct amdgpu_ip_block *ip_block );
that's it. one function, one arg, returns an int. slay and simple β¨
π ARGUMENTS π
ip_blockβ a pointer to theamdgpu_ip_blockfor this hw instance π«Ά like, this specific hardware's ip_block, not some random other one, iykyk
π DESCRIPTION π
Wait for VCN block idle.
that's the whole vibe. you call it, it waits, VCN goes idle. no cap, that's what the page says, and I'm not out here inventing lore π
π SEE ALSO π
bestie the fam is HUGE, buckle up π
- Kernel file
./drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.cβ that's where the source lives, go read it, it's giving main character energy π§
and the whole friend group of vcn_v4_0_3_* functions:
vcn_v4_0_3_early_init(9)vcn_v4_0_3_sw_init(9)vcn_v4_0_3_sw_fini(9)vcn_v4_0_3_hw_init(9)vcn_v4_0_3_hw_fini(9)vcn_v4_0_3_suspend(9)vcn_v4_0_3_resume(9)vcn_v4_0_3_mc_resume(9)vcn_v4_0_3_mc_resume_dpg_mode(9)vcn_v4_0_3_disable_clock_gating(9)vcn_v4_0_3_disable_clock_gating_dpg_mode(9)vcn_v4_0_3_enable_clock_gating(9)vcn_v4_0_3_start_dpg_mode(9)vcn_v4_0_3_start(9)vcn_v4_0_3_stop_dpg_mode(9)vcn_v4_0_3_stop(9)vcn_v4_0_3_pause_dpg_mode(9)vcn_v4_0_3_unified_ring_get_rptr(9)vcn_v4_0_3_unified_ring_get_wptr(9)vcn_v4_0_3_unified_ring_set_wptr(9)vcn_v4_0_3_set_unified_ring_funcs(9)vcn_v4_0_3_is_idle(9)vcn_v4_0_3_set_interrupt_state(9)vcn_v4_0_3_process_interrupt(9)vcn_v4_0_3_set_irq_funcs(9)
pro tip from me to you: if you're looking at this one, you probably also want vcn_v4_0_3_is_idle(9) β they're lowkey siblings π₯
and that's the page, bestie π this little gem comes from ./drivers/gpu/drm/amd/amdgpu, dated October 2026 β go off, October 2026, we love a future-forward timestamp β¨π¦ periodt π
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