STRUCT PANTHOR_HW_OPS(9)

✨ struct panthor_hw_ops(9) ✨

okay so you're in the Kernel API Manual, bestie, and we're talking about struct panthor_hw_ops 🎀 — it's literally the collection of HW operations that are specific to a GPU. iykyk.

🌸 NAME 🌸

struct panthor_hw_ops — HW operations that are specific to a GPU. that's it, that's the vibe 💅

🦋 SYNOPSIS 🦋

struct panthor_hw_ops {
    int (*soft_reset)(struct panthor_device *ptdev);
    void (*l2_power_off)(struct panthor_device *ptdev);
    int (*l2_power_on)(struct panthor_device *ptdev);
    int (*power_changed_on)(struct panthor_device *ptdev);
    void (*power_changed_off)(struct panthor_device *ptdev);
 };

no cap, that's the whole struct — five function pointers, each one taking a struct panthor_device *ptdev, and we're gonna go through every single one 🫶

👑 Members 👑

• soft_reset — Soft reset function pointer. she resets things softly, iconic behaviour ✨
• l2_power_off — L2 power off function pointer. this is the one that turns the L2 power off, and yes it returns void, so don't come looking for a status code 🙈
• l2_power_on — L2 power on function pointer. turns the L2 power on and actually gives you an int back, main character energy 🔥
• power_changed_on — Start listening to power change IRQs. like literally subscribing to the power-change gossip channel 👀
• power_changed_off — Stop listening to power change IRQs. unsubscribing, blocking the notifications, leaving the group chat 💀

🌈 SEE ALSO 🌈

• Kernel file ./drivers/gpu/drm/panthor/panthor_hw.h
• struct panthor_hw(9) — go read that one too, fr fr ⭐

bestie reminder: every one of those five pointers takes exactly struct panthor_device *ptdev — no more, no less, no surprise arguments 🧚

anyway, that's the page! this gem came from ./drivers/gpu/drm/panthor, October 2026, in the struct panthor_hw_ops(9) era of the Kernel API Manual — slay, go forth and read your hardware ops 💖🌸