msm_disp_snapshot_init(9)

💅 msm_disp_snapshot_init(9) — like, the Kernel API Manual girlies know ✨

Okay so bestie, welcome to the Kernel API Manual entry for msm_disp_snapshot_init — the little function that gets your display snapshot era started. 🎀 It's giving "set it up before you need it" and honestly? Iconic.

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🌸 NAME 🌸

msm_disp_snapshot_init — initialize display snapshot, periodt. No notes. 💖

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⭐ SYNOPSIS ⭐

int msm_disp_snapshot_init (struct drm_device *drm_dev );

That's the whole vibe check: it takes one struct drm_device * and hands you back an int. Simple. Clean. We love a signature that doesn't overcomplicate things. 🦋

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🧚 ARGUMENTS 🧚

• drm_dev — the drm device handle, aka the main character of this whole operation 🔥. That's the thing you're passing in, bestie, no cap.

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💀 RETURN 💀

It returns 0 or -ERROR — so basically either "slay, we're good ✨" or "oop, something went sideways 😭". That's the entire range. Not me being obsessed with a two-outcome situation fr fr.

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🌈 SEE ALSO 🌈

Lowkey the most important section, because this is the friend group that msm_disp_snapshot_init rolls with 👑:

• Kernel file ./drivers/gpu/drm/msm/disp/msm_disp_snapshot.h — the actual header, iykyk 📁
• struct msm_disp_state(9)
• struct msm_disp_state_block(9)
• msm_disp_snapshot_destroy(9)
• msm_disp_snapshot_state_sync(9)
• msm_disp_snapshot_state(9)
• msm_disp_state_print(9)
• msm_disp_snapshot_capture_state(9)
• msm_disp_state_free(9)
• msm_disp_snapshot_add_block(9)

Like, go read all of these too — they're literally the rest of the story and I'm not gonna let you skip them. 🫶

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Bestie PSA 💜: the only return values documented here are 0 and -ERROR, so don't go inventing new ones, okay? Keep the facts cute and correct.

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And that's the page, diva 💅✨ Signing off from ./drivers/gpu/drm/msm/disp — October 2026 edition, brought to you by the msm_disp_snapshot_init(9) girlies. Bye bestie, go init that snapshot! 🌸🦋🎀