sdma_v2_4_ring_get_wptr(9)

💖 sdma_v2_4_ring_get_wptr(9) 💖

okay so bestie, welcome to the Kernel API Manual ✨ this one's a tiny little function from the AMDGPU squad and honestly? it's giving "small but iconic." let's get into it 🫶

🌸 NAME 🌸

sdma_v2_4_ring_get_wptr — get the current write pointer 👑

✨ SYNOPSIS ✨

uint64_t sdma_v2_4_ring_get_wptr (struct amdgpu_ring *ring );

🎀 ARGUMENTS 🎀

• ring — amdgpu ring pointer 💫 literally just the ring you're poking at, no cap.

🦋 DESCRIPTION 🦋

So what does it do? It gets the current wptr straight from the hardware (VI+). that's it. that's the whole vibe 💅 it's reaching into the silicon to ask "hey, where's the write pointer at rn?" and the hardware answers. highkey useful, lowkey adorable 🌈

👑 SEE ALSO 👑

• Kernel file ./drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
• sdma_v2_4_init_microcode(9), sdma_v2_4_ring_get_rptr(9), sdma_v2_4_ring_set_wptr(9), sdma_v2_4_ring_emit_ib(9), sdma_v2_4_ring_emit_hdp_flush(9), sdma_v2_4_ring_emit_fence(9), sdma_v2_4_gfx_stop(9), sdma_v2_4_rlc_stop(9), sdma_v2_4_enable(9), sdma_v2_4_gfx_resume(9), sdma_v2_4_rlc_resume(9), sdma_v2_4_start(9), sdma_v2_4_ring_test_ring(9), sdma_v2_4_ring_test_ib(9), sdma_v2_4_vm_copy_pte(9), sdma_v2_4_vm_write_pte(9), sdma_v2_4_vm_set_pte_pde(9), sdma_v2_4_ring_pad_ib(9), sdma_v2_4_ring_emit_pipeline_sync(9), sdma_v2_4_ring_emit_vm_flush(9), sdma_v2_4_emit_copy_buffer(9), sdma_v2_4_emit_fill_buffer(9)

the whole sdma_v2_4 friend group is here fr fr — go say hi to all of them 🧚💜

and that's the page, bestie!! 💖 this cutie lives in ./drivers/gpu/drm/amd/amdgpu and the manual itself is dated October 2026 — screenshot it, frame it, slay 🎀✨🔥