radeon_ring_free_size(9)

💅 radeon_ring_free_size — the kernel API manual, bestie edition 💅

okay so real quick: this page lives in the Kernel API Manual section 9, and honestly? she's a tiny little function but she matters, so let's get into it 🫶

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✨ NAME ✨

radeon_ring_free_size — she updates the free size. that's it. that's the whole job. iconic, lowkey 💫

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🌸 SYNOPSIS 🌸

void radeon_ring_free_size(struct radeon_device *rdev, struct radeon_ring *ring);

no return value, no drama — she's a void girlie ✨

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🎀 ARGUMENTS 🎀

• rdev — a radeon_device pointer. yeah. that's the whole description. short and slay 💖
• ring — the radeon_ring structure holding ring information 👑

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🦋 DESCRIPTION 🦋

okay so picture this: she updates the free dw slots in the ring buffer. and the best part? all asics — every single one of them, no cap 🧚✨

that's genuinely all she does. main character energy for a five-word job, honestly 💀

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🌈 SEE ALSO 🌈

the whole friend group, fr fr 💜 — first off, the kernel file herself:

• Kernel file ./drivers/gpu/drm/radeon/radeon_ring.c
• radeon_ring_supports_scratch_reg(9)
• radeon_ring_alloc(9)
• radeon_ring_lock(9)
• radeon_ring_commit(9)
• radeon_ring_unlock_commit(9)
• radeon_ring_undo(9)
• radeon_ring_unlock_undo(9)
• radeon_ring_lockup_update(9)
• radeon_ring_test_lockup(9)
• radeon_ring_backup(9)
• radeon_ring_restore(9)
• radeon_ring_init(9)
• radeon_ring_fini(9)

they all show up together, iykyk 👑

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heads up bestie: this page is stamped ./drivers/gpu/drm/radeon and dated October 2026 — courtesy of the Kernel API Manual, radeon_ring_free_size(9) at your service 🍓

go update those free dw slots, you absolute legend 🌟💅