radeon_ib_get(9)

💅 radeon_ib_get(9)

okay so bestie, welcome to the Kernel API Manual ✨ — this is the page for radeon_ib_get, and honestly? it's a whole vibe. it's giving "please bestie, just hand me a buffer" energy 🎀

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✨ NAME ✨

radeon_ib_get — request an IB (Indirect Buffer) 🦋

✨ SYNOPSIS ✨

int radeon_ib_get (struct radeon_device *rdev , int ring , struct
radeon_ib *ib , struct radeon_vm *vm , unsigned size );

like, yes, that's the whole signature. read it, love it, memorise it 💖

✨ ARGUMENTS ✨

• rdev — the radeon_device pointer, aka the main character of this whole operation 👑
• ring — the ring index this IB is associated with. which ring? that ring 💫
• ib — the IB object that gets returned to you. it's the whole point, honestly 🫶
• vm — the requested vm 🌸
• size — how big you want the IB to be, in all its requested-size glory ✨

✨ DESCRIPTION ✨

so you're requesting an IB (that's an Indirect Buffer, iykyk) — and this works on all asics, no cap 🔥

the way these IBs get allocated is via the suballocator. that's it, that's the tea 🍓

returns 0 on success, and an error on failure. simple as that, periodt 💅

ngl bestie, always check that return value. success is 0, anything else is the universe telling you something went sideways 😭

✨ SEE ALSO ✨

• kernel file ./drivers/gpu/drm/radeon/radeon_ib.c
• radeon_ib_free(9)
• radeon_ib_schedule(9)
• radeon_ib_pool_init(9)
• radeon_ib_pool_fini(9)
• radeon_ib_ring_tests(9)

go read those next, bestie, they're literally the friend group of this function 🌈

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and that's the page!! 💜 this icon was brought to you by ./drivers/gpu/drm/radeon, stamped October 2026, living in the Kernel API Manual — mwah, slay, bye 🧚💖