drm_vblank_work_flush_all(9)

💅 drm_vblank_work_flush_all — the Kernel API Manual, bestie edition ✨

okay so welcome to the drm_vblank_work_flush_all(9) page, a genuinely iconic little function from the Kernel API Manual 🎀 and yes we're gonna read it together, i promise it's short and it slays.

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🌸 NAME 🌸

drm_vblank_work_flush_all — flush all the currently pending vblank work on a crtc. all of it. every last bit 💅

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✨ SYNOPSIS ✨

void drm_vblank_work_flush_all (struct drm_crtc *crtc );

that's it. that's the whole signature. no return value, no drama, just vibes and a void 🫶

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🦋 ARGUMENTS 🦋

• crtc — the crtc whose vblank work you wanna flush 🌈 like, this is the one you're targeting, bestie, don't @ the wrong one.

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🔥 DESCRIPTION 🔥

so what does it actually do? literally this: it waits until all the vblank work that's currently queued on crtc has finished executing once 👑

that's the whole assignment. wait. until. done. once. no cap 💀

ngl the word "currently" is doing a lot of heavy lifting here — it's the work queued right now that it's waiting on, so don't go reading extra promises into it 🙈

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🧚 SEE ALSO 🧚

the friend group of related functions, all hanging out in the kernel file ./drivers/gpu/drm/drm_vblank_work.c 📁:

• vblank works(9)
• drm_vblank_work_schedule(9)
• drm_vblank_work_cancel_sync(9)
• drm_vblank_work_flush(9)
• drm_vblank_work_init(9)

go read those too, iykyk 💖

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and that's the whole page, bestie!!! 🎀 source is the ./drivers/gpu/drm directory, dated October 2026, and the manual name is drm_vblank_work_flush_all(9) — periodt, go flush some work 💅✨🦋