navi10_ih_set_rptr(9)

💫 navi10_ih_set_rptr 💫

okay so bestie, welcome to the Kernel API Manual — yes we're in the kernel API manual and yes it's iconic. today's main character is navi10_ih_set_rptr(9), and honestly? she does exactly one thing and she does it well.

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✨ NAME ✨

navi10_ih_set_rptr — set the IH ring buffer rptr 🎀

like, that's the whole job. that's the gig. she sets the rptr. slay.

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🌸 SYNOPSIS 🌸

void navi10_ih_set_rptr (struct amdgpu_device *adev , struct
amdgpu_ih_ring *ih );

no return value, no drama, just vibes and a void. 💅

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🦋 ARGUMENTS 🦋

• adev — an amdgpu_device pointer 🫶 our fave lil device struct, just hanging out, being pointed at.
• ih — the IH ring buffer to set rptr. yep — set the IH ring buffer rptr. that's the assignment, that's the whole assignment. ✨

ngl this page is short and that's lowkey the point — two args, zero mysteries, highkey efficient. 👑

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🌈 SEE ALSO 🌈

no cap, the lore lives in the kernel file:

./drivers/gpu/drm/amd/amdgpu/navi10_ih.c

and the whole friend group shows up too:

• navi10_ih_init_register_offset(9)
• force_update_wptr_for_self_int(9)
• navi10_ih_toggle_ring_interrupts(9)
• navi10_ih_toggle_interrupts(9)
• navi10_ih_enable_ring(9)
• navi10_ih_irq_init(9)
• navi10_ih_irq_disable(9)
• navi10_ih_get_wptr(9)
• navi10_ih_irq_rearm(9)
• navi10_ih_self_irq(9)

fr fr go read them, the whole squad ate. 🔥

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and that's the page!! 🧚 sourced straight from ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and living under the name navi10_ih_set_rptr(9). mwah, bye bestie 💖💜