vcn_v2_5_dec_ring_get_wptr(9)

💖 vcn_v2_5_dec_ring_get_wptr(9) — a Kernel API Manual moment 💖

okay so bestie, we're in the Kernel API Manual, section 9, and today's main character is vcn_v2_5_dec_ring_get_wptr. no cap, she's literally just here to fetch a pointer. let's get into it 🎀

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✨ NAME ✨

vcn_v2_5_dec_ring_get_wptr — get write pointer. that's it. that's the whole gig. she gets the write pointer, she slays, she goes home 💅

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🌸 SYNOPSIS 🌸

uint64_t vcn_v2_5_dec_ring_get_wptr (struct amdgpu_ring *ring );

like, you hand her a ring, she hands you back a uint64_t. reciprocal queen behavior 🫶

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🦋 ARGUMENTS 🦋

• ring — an amdgpu_ring pointer. that's the whole vibe check, it's just a pointer to the ring struct and she's obsessed with it ✨

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🔥 DESCRIPTION 🔥

Returns the current hardware write pointer. periodt. one sentence, zero notes, she said what she said 😭💖

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🌈 SEE ALSO 🌈

the kernel file lives right here, bestie, go read the source:

• ./drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c

and her whole friend group (iykyk) 🧚:

• vcn_v2_5_early_init(9)
• vcn_v2_5_sw_init(9)
• vcn_v2_5_sw_fini(9)
• vcn_v2_5_hw_init(9)
• vcn_v2_5_hw_fini(9)
• vcn_v2_5_suspend(9)
• vcn_v2_5_resume(9)
• vcn_v2_5_mc_resume(9)
• vcn_v2_5_disable_clock_gating(9)
• vcn_v2_5_enable_clock_gating(9)
• vcn_v2_5_dec_ring_get_rptr(9)
• vcn_v2_5_dec_ring_set_wptr(9)
• vcn_v2_5_enc_ring_get_rptr(9)
• vcn_v2_5_enc_ring_get_wptr(9)
• vcn_v2_5_enc_ring_set_wptr(9)

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🫶 bestie reminder: this page ships out of ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and it's filed under vcn_v2_5_dec_ring_get_wptr(9). go forth and get that write pointer, you've got this 💜🌟