vcn_v4_0_ena...clock_gating(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’– NAME πŸ’–

vcn_v4_0_enable_clock_gating β€” bestie, this is the one that turns the VCN clock gating on ✨

Oh and real quick before we get into it β€” this whole page lives in the Kernel API Manual, section 9, under the very abbreviated name vcn_v4_0_ena...clock_gating(9) (yes the title got truncated mid-word, she's doing her best 😭).

🌸 SYNOPSIS 🌸

void vcn_v4_0_enable_clock_gating (struct amdgpu_vcn_inst *vinst );

Like… that's it. That's the whole call. No return value, no drama, just vibes πŸ’…

πŸŽ€ ARGUMENTS πŸŽ€

  • vinst β€” the VCN instance πŸ¦‹ like, which VCN are we talking about here? This is the struct amdgpu_vcn_inst * pointer that tells the function exactly which instance it's working with. iykyk.

πŸ’œ DESCRIPTION πŸ’œ

Okay so the whole entire job of this function is: enable clock gating for the VCN block πŸ”₯ That's the assignment. That's what she ate. Clock gating? Enabled. VCN block? The block in question. Periodt.

No extra params, no hidden surprises, no cap β€” you hand her the instance and she enables clock gating for VCN. Lowkey iconic of her honestly 🫢

🌈 SEE ALSO 🌈

First up, the source file she actually lives in β€” Kernel file ./drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c πŸ“ (go read it, it's giving main character energy).

And then the whole squad of vcn_v4_0_* functions, all in section 9, all listed here so you can go meet her friends:

Note that vcn_v4_0_disable_clock_gating(9) is right there in the list too β€” she's got a counterpart, they're a matched set, we stan a balanced duo πŸ’€πŸ’–

βœΏγƒ»ο½‘οΎŸ mwah, that's the whole page οΎŸο½‘γƒ»βœΏ

Sign-off time, bestie 🧚: this lil beauty comes from ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and she answers to vcn_v4_0_ena...clock_gating(9) πŸ’œ Go forth and gate those clocks, queen πŸ‘‘β­

πŸ“¦ where this page comes from