mtk_mfg_send_ipi(9)

🎀 mtk_mfg_send_ipi(9) 🎀

okay bestie, this one is from the Kernel API Manual and it's literally about sending an IPI message on the gpufreq channel, synchronously, no cap. ✨

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✨ NAME ✨

mtk_mfg_send_ipi — synchronously send an IPI message on the gpufreq channel 💅

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🌈 SYNOPSIS 🌈

int mtk_mfg_send_ipi (struct mtk_mfg *mfg , struct mtk_mfg_ipi_msg *msg
);

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🦋 ARGUMENTS 🦋

• mfg — pointer to this driver instance's private struct mtk_mfg 🫶
• msg — pointer to a message to send; it will have magic filled and response assigned 👑

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💜 DESCRIPTION 💜

So you send an IPI message on the gpufreq channel, and then you wait for a response. Literally wait for it. Once a response is received, a pointer to the response buffer gets assigned to msg — and that pointer is valid until next response is received. 🌀

Returns 0 on success, negative errno on failure. Periodt. 💅

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🧚 SEE ALSO 🧚

• Kernel file ./drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c 🌸
• struct mtk_mfg_opp_entry(9) 🦋

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okay that's the whole page, bestie 💖 source/version: ./drivers/pmdomain/mediatek, date: October 2026. mwah 💋🎀