uvd_v4_2_ring_test_ring(9)

✨ uvd_v4_2_ring_test_ring(9) ✨

okay so bestie, welcome to the uvd_v4_2_ring_test_ring manual page 💅 this lil function lives in the Kernel API Manual and honestly? it's giving "just here to check if we can write to a thing" and we stan a focused queen 👑

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🎀 NAME 🎀

uvd_v4_2_ring_test_ring — register write test 🫶

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🌸 SYNOPSIS 🌸

int uvd_v4_2_ring_test_ring (struct amdgpu_ring *ring );

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🦋 ARGUMENTS 🦋

• ring — an amdgpu_ring pointer 💖 this is the ring we're testing, she's the main character here fr fr

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🌈 DESCRIPTION 🌈

so what does it do? it tests if we can successfully write to the context register ✨ that's the whole vibe. lowkey iconic, no cap. it's literally just checking "can we write here or not" and that's it, she's not doing anything extra 🧚

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👑 SEE ALSO 👑

• Kernel file ./drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
• uvd_v4_2_ring_get_rptr(9)
• uvd_v4_2_ring_get_wptr(9)
• uvd_v4_2_ring_set_wptr(9)
• uvd_v4_2_hw_init(9)
• uvd_v4_2_hw_fini(9)
• uvd_v4_2_start(9)
• uvd_v4_2_stop(9)
• uvd_v4_2_ring_emit_fence(9)
• uvd_v4_2_ring_emit_ib(9)
• uvd_v4_2_mc_resume(9)

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bestie this whole squad is in ./drivers/gpu/drm/amd/amdgpu and honestly? the way they all pull up together? obsessed 💜

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anyway ily, go read those related pages, and remember: this page is from ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and it's all part of the Kernel API Manual 📖 slay! 🎀✨💅