dpu_core_perf_crtc_update(9)

💅 dpu_core_perf_crtc_update(9) — like, the whole glow-up

okay so bestie, we're in the Kernel API Manual today and this page is all about dpu_core_perf_crtc_update. it's giving "make the crtc perform" energy, and honestly? iconic. 🎀

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✨ NAME ✨

dpu_core_perf_crtc_update — update performance of the given crtc. that's the whole vibe. one job, and it does it. 🦋

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🌸 SYNOPSIS 🌸

int dpu_core_perf_crtc_update (struct drm_crtc *crtc , int
params_changed );

look at that signature, no cap. 💅

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🫶 ARGUMENTS 🫶

• crtc — Pointer to crtc. yes, it's a pointer, yes it points at a struct drm_crtc, we love a direct reference. ⭐
• params_changed — true if crtc parameters are modified. that's it. that's the flag. if the params got fiddled with, you set this to true and let it know. 🔥

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💖 RETURN 💖

zero if success, or error code otherwise. so like — 0 means slay, anything else means something went sideways and you should probably look into it. 😭

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🌈 SEE ALSO 🌈

• Kernel file ./drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c — the whole source, in case you wanna read ahead 👑
• enum dpu_perf_mode(9)
• dpu_core_perf_adjusted_mode_clk(9)
• _dpu_core_perf_calc_bw(9)
• _dpu_core_perf_calc_clk(9)
• dpu_core_perf_crtc_check(9)
• dpu_core_perf_crtc_release_bw(9)
• dpu_core_perf_debugfs_init(9)
• dpu_core_perf_init(9)

ngl the whole friend group is here, go say hi to all of them 🧚💜

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fr fr that's the whole page — every flag, every cross-reference, nothing skipped. main character energy from start to finish. 💀✨

and that's a wrap on dpu_core_perf_crtc_update(9)! sourced from ./drivers/gpu/drm/msm/disp/dpu1, dated October 2026 — put that in your calendar bestie 🍓🦋🌸