radeon_fence_activity(9)

✨ radeon_fence_activity(9) ✨

okay so bestie, welcome to the radeon_fence_activity page from the Kernel API Manual — this is the one that does a little vibe check on your fences 💅

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🌸 NAME 🌸

radeon_fence_activity — check for fence activity ✨

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🎀 SYNOPSIS 🎀

bool radeon_fence_activity (struct radeon_device *rdev , int ring );

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🦋 ARGUMENTS 🦋

• rdev — a radeon_device pointer, literally just the device we're poking at 🫶
• ring — the ring index that the fence is associated with 💫

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💖 DESCRIPTION 💖

So what this does is it checks the current fence value and calculates the last signalled fence value 🔥 Then it returns true if activity occurred on the ring — and when that happens, the fence_queue should be waken up 👑 (yes, spelled occured in the original, we're keeping it, no cap.)

ngl the whole point is: "did something happen? should we go wake up the queue?" and this function answers both 💅

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🌈 SEE ALSO 🌈

Kernel file ./drivers/gpu/drm/radeon/radeon_fence.c — that's the whole squad's home base 🏠

• radeon_fence_write(9)
• radeon_fence_read(9)
• radeon_fence_schedule_check(9)
• radeon_fence_emit(9)
• radeon_fence_check_lockup(9)
• radeon_fence_process(9)
• radeon_fence_seq_signaled(9)
• radeon_fence_enable_signaling(9)
• radeon_fence_signaled(9)
• radeon_fence_any_seq_signaled(9)
• radeon_fence_wait_seq_timeout(9)
• radeon_fence_wait_timeout(9)
• radeon_fence_wait(9)
• radeon_fence_wait_next(9)
• radeon_fence_wait_empty(9)
• radeon_fence_ref(9)
• radeon_fence_unref(9)
• radeon_fence_count_emitted(9)
• radeon_fence_need_sync(9)
• radeon_fence_note_sync(9)
• radeon_fence_driver_start_ring(9)
• radeon_fence_driver_init_ring(9)
• radeon_fence_driver_init(9)
• radeon_fence_driver_fini(9)
• radeon_fence_driver_force_completion(9)

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that's a whole friend group fr fr 😭 go read them, they're all iconic 🍓

sign-off time, bestie: this cutie lives in ./drivers/gpu/drm/radeon and the page is dated October 2026 — mwah, bye 💋🧚💜