drm_self_ref...te_avg_times(9)

📦 version 7.3.1, in nixpkgs unstable

💅 drm_self_refresh_helper_update_avg_times(9)

okay so bestie, welcome to the Kernel API Manual — this is the page for drm_self_refresh_helper_update_avg_times(9) and honestly it's a whole little glow-up for your CRTC's self-refresh timing. 🦋

✨ NAME ✨

drm_self_refresh_helper_update_avg_times — updates a crtc's SR time averages

like, it literally goes in and refreshes the average numbers. slay. 💅

🌸 SYNOPSIS 🌸

void drm_self_refresh_helper_update_avg_times (struct drm_atomic_commit
*state , unsigned int commit_time_ms , unsigned int
new_self_refresh_mask );

no return value, it just does the thing and dips. ✨

🎀 ARGUMENTS 🎀

  • state — the state which has just been applied to hardware. yes, just applied, this is the fresh-from-the-oven atomic commit state. 🔥
  • commit_time_ms — the amount of time in ms that this commit took to complete. how long did it take? this many milliseconds. periodt. ⏱️
  • new_self_refresh_mask — bitmask of crtc's that have self_refresh_active in new state. it's giving "which screens are doing the self-refresh thing" energy. 🎯

👑 DESCRIPTION 👑

So here's the vibe: this function is called after drm_mode_config_funcs.atomic_commit_tail, and what it does is update the average entry/exit self refresh times on self refresh transitions. 📊

Those averages? They get used when calculating how long to delay before entering self refresh mode after activity. so it's literally a math girlie doing foreplay for the idle timer, no cap. 🧚

🌈 SEE ALSO 🌈

go read the whole squad, they all ate. 💖

ngl this one's short but she's important — the timings you feed her here are the timings the kernel trusts later. respect her. 🫶

and that's the page, bestie! brought to you from the ./drivers/gpu/drm corner of the kernel, October 2026 edition — drm_self_ref...te_avg_times(9), mwah 💋💜

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