xe_guc_pc_set_max_freq(9)

✨ xe_guc_pc_set_max_freq(9) ✨

okay so bestie, welcome to the Kernel API Manual — this is the xe_guc_pc_set_max_freq(9) page, and it is literally about setting the maximum operational frequency ✨. no extra lore, no side quests, just the facts with a little sparkle 💅.

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💖 NAME 💖

xe_guc_pc_set_max_freq — Set the maximum operational frequency. that's it, that's the vibe 🎀.

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✨ SYNOPSIS ✨

int xe_guc_pc_set_max_freq (struct xe_guc_pc *pc , u32 freq );

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🎀 ARGUMENTS 🎀

• pc — the GuC PC 👑. yes, that's the whole description, keep it cute.
• freq — the selected maximum frequency value 🌸.

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🔥 RETURN 🔥

• 0 — success, slay ✅
• -EAGAIN — GuC PC not ready (likely in middle of a reset) 😭
• -EINVAL — value out of bounds 🚫

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🌈 SEE ALSO 🌈

• Kernel file ./drivers/gpu/drm/xe/xe_guc_pc.c GuC Power Conservation (PC)(9)
• xe_guc_pc_action_set_param(9)
• xe_guc_pc_action_unset_param(9)
• xe_guc_pc_get_act_freq(9)
• xe_guc_pc_get_cur_freq_fw(9)
• xe_guc_pc_get_cur_freq(9)
• xe_guc_pc_get_rp0_freq(9)
• xe_guc_pc_get_rpa_freq(9)
• xe_guc_pc_get_rpe_freq(9)
• xe_guc_pc_get_rpn_freq(9)
• xe_guc_pc_get_min_freq(9)
• xe_guc_pc_set_min_freq(9)
• xe_guc_pc_get_max_freq(9)
• xe_guc_pc_c_status(9)
• xe_guc_pc_rc6_residency(9)
• xe_guc_pc_mc6_residency(9)
• xe_guc_pc_raise_unslice(9)
• xe_guc_pc_init_early(9)
• xe_guc_pc_apply_flush_freq_limit(9)
• xe_guc_pc_remove_flush_freq_limit(9)
• xe_guc_pc_restore_stashed_freq(9)
• xe_guc_pc_start(9)
• xe_guc_pc_stop(9)
• xe_guc_pc_fini_hw(9)
• xe_guc_pc_init(9)
• xe_guc_pc_print(9)

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mwah 💋 — source/version: ./drivers/gpu/drm/xe; date: October 2026; page: xe_guc_pc_set_max_freq(9). bye bestie, go read those refs 🫶