radeon_ring_undo(9)

✨ NAME ✨

okay so this is radeon_ring_undo(9), straight out of the Kernel API Manual, and bestie it is literally here to reset the wptr. 💅✨

🌸 SYNOPSIS 🌸

void radeon_ring_undo (struct radeon_ring *ring );

🎀 ARGUMENTS 🎀

• ring — the radeon_ring structure holding ring information. that's the whole argument, no cap 🫶

🦋 DESCRIPTION 🦋

bestie, the vibe check is simple: this resets the driver's copy of the wptr — (all asics). 🌈💖

it's giving one tiny job done iconically: reset the driver's copy of the wptr, and yes, that means all asics. periodt. 👑

💜 SEE ALSO 💜

• Kernel file ./drivers/gpu/drm/radeon/radeon_ring.c
• radeon_ring_supports_scratch_reg(9)
• radeon_ring_free_size(9)
• radeon_ring_alloc(9)
• radeon_ring_lock(9)
• radeon_ring_commit(9)
• radeon_ring_unlock_commit(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)

mwah 💋 bestie, this page is served fresh from ./drivers/gpu/drm/radeon and dated October 2026 — and yeah, the manpage is radeon_ring_undo(9). slay. 🎀💖