_dpu_core_perf_calc_bw(9)

✨ _dpu_core_perf_calc_bw(9) ✨

okay bestie, this is a page from the Kernel API Manual 🫶 and it’s literally here to explain one very specific bandwidth thing. no cap.

🎀 NAME 🎀

_dpu_core_perf_calc_bw — to calculate BW per crtc 💅

🌸 SYNOPSIS 🌸

u64 _dpu_core_perf_calc_bw (const struct dpu_perf_cfg *perf_cfg , struct
drm_crtc *crtc );

🦋 ARGUMENTS 🦋

• perf_cfg — performance configuration ✨
• crtc — pointer to a crtc 🎀

💖 RETURN 💖

returns aggregated BW for all planes in crtc. that’s the whole return vibe 😭

🔥 SEE ALSO 🔥

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_clk(9)
• dpu_core_perf_crtc_check(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)

source/version: ./drivers/gpu/drm/msm/disp/dpu1; date: October 2026. mwah 💋 periodt. 💅✨