uvd_v5_0_ring_test_ring(9)

💫 uvd_v5_0_ring_test_ring — the Kernel API Manual, bestie edition 💫

Okay so welcome to the uvd_v5_0_ring_test_ring(9) page, which lives in the Kernel API Manual and is honestly a little icon in its own right 💅

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✨ NAME ✨

uvd_v5_0_ring_test_ring — register write test 🎀

Like, that's it. That's the whole name. It's a test. Of the register write. Slay.

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🌸 SYNOPSIS 🌸

int uvd_v5_0_ring_test_ring (struct amdgpu_ring *ring );

That's the whole vibe check: it takes one thing and it returns an int. No cap. 🫶

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🦋 ARGUMENTS 🦋

• ring — an amdgpu_ring pointer. That's the one and only thing you're passing in here, bestie. 🍓

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💖 DESCRIPTION 💖

So what does it actually do? It tests if we can successfully write to the context register. That's literally the assignment. Test if we can successfully write to the context register ✨ Like, it goes "hey, can I write to this register?" and then it finds out. Main character energy, honestly 🔥

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👑 SEE ALSO 👑

Real ones look at the source too, iykyk:

• Kernel file ./drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c 🧚
• uvd_v5_0_ring_get_rptr(9)
• uvd_v5_0_ring_get_wptr(9)
• uvd_v5_0_ring_set_wptr(9)
• uvd_v5_0_hw_init(9)
• uvd_v5_0_hw_fini(9)
• uvd_v5_0_mc_resume(9)
• uvd_v5_0_start(9)
• uvd_v5_0_stop(9)
• uvd_v5_0_ring_emit_fence(9)
• uvd_v5_0_ring_emit_ib(9)

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Ngl the entire friend group showed up in SEE ALSO and they all ate 💀 go read them, bestie.

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And that's the page!! 🎀✨ Live from ./drivers/gpu/drm/amd/amdgpu, dated October 2026 — periodt. 💜🦋