vcn_v1_0_dec_ring_set_wptr(9)

✨ vcn_v1_0_dec_ring_set_wptr(9) ✨

okay bestie, welcome to the Kernel API Manual entry for vcn_v1_0_dec_ring_set_wptr — literally the tiny little function that tells the hardware "hey girl, here's where we're at" 💅 she's small, she's specific, she slays.

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🌸 NAME 🌸

vcn_v1_0_dec_ring_set_wptr — set write pointer 👑

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🦋 SYNOPSIS 🦋

void vcn_v1_0_dec_ring_set_wptr (struct amdgpu_ring *ring );

no cap, that's the whole signature 🎀 returns void, takes exactly one thing.

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💖 ARGUMENTS 💖

• ring — an amdgpu_ring pointer 🫶 like, that's the ring struct you're handing over. it's a pointer. to an amdgpu_ring. that's the vibe.

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🌈 DESCRIPTION 🌈

Commits the write pointer to the hardware ✨ that's it, that's the whole job. she takes the write pointer and she commits it — to the hardware. main character energy for real.

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🎀 SEE ALSO 🎀

• Kernel file ./drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c 📁 (yes, that's where she lives)

and the whole squad, fr fr — go check these out too:

vcn_v1_0_early_init(9), vcn_v1_0_sw_init(9), vcn_v1_0_sw_fini(9), vcn_v1_0_hw_init(9), vcn_v1_0_hw_fini(9), vcn_v1_0_suspend(9), vcn_v1_0_resume(9), vcn_v1_0_mc_resume_spg_mode(9), vcn_v1_0_disable_clock_gating(9), vcn_v1_0_enable_clock_gating(9), vcn_v1_0_start_spg_mode(9), vcn_v1_0_stop_spg_mode(9), vcn_v1_0_dec_ring_get_rptr(9), vcn_v1_0_dec_ring_get_wptr(9), vcn_v1_0_dec_ring_insert_start(9), vcn_v1_0_dec_ring_insert_end(9), vcn_v1_0_dec_ring_emit_fence(9), vcn_v1_0_dec_ring_emit_ib(9), vcn_v1_0_enc_ring_get_rptr(9), vcn_v1_0_enc_ring_emit_fence(9), vcn_v1_0_enc_ring_emit_ib(9)

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🧚 that's the whole page bestie — no hidden options, no environment variables, no exit statuses, nothing sneaky. what you see is what you get 💀

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mwah 💋 this lil gem lives in ./drivers/gpu/drm/amd/amdgpu and the version/date stamp is October 2026 — see you in the next ring, queen 👑