dpu_core_perf_crtc_check(9)

💅 dpu_core_perf_crtc_check(9) — like, the vibe check for your CRTC state

okay so bestie, welcome to the Kernel API Manual ✨ this is dpu_core_perf_crtc_check(9) — the function that literally looks at a crtc state and goes "hmm, is this performance actually okay tho?" 👀

its whole personality is validate performance of the given crtc state. that's it, that's the job. no cap. 🎀

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✨ SYNOPSIS ✨

int dpu_core_perf_crtc_check (struct drm_crtc *crtc , struct
       drm_crtc_state *state );

she takes two things, returns an int, and minds her own business 🫶

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🌸 ARGUMENTS 🌸

• crtc — Pointer to crtc. literally just a pointer to the crtc, bestie 💅
• state — Pointer to new crtc state. the fresh new state she's supposed to judge 🔥

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💖 RETURN 💖

• zero if success ✨ (slay, we love a zero)
• or error code otherwise 😭 (something went sideways, the error code will tell you which way)

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🦋 SEE ALSO 🦋

the whole friend group, gathered in the kernel file ./drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c 👑

• 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_release_bw(9)
• dpu_core_perf_crtc_update(9)
• dpu_core_perf_debugfs_init(9)
• dpu_core_perf_init(9)

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and that's the whole page, i fear 💀 you got it from the source directory ./drivers/gpu/drm/msm/disp/dpu1, dated October 2026 — iconic, timeless, periodt 🌈⭐🧚💜