uvd_v3_1_start(9)

💅 uvd_v3_1_start(9) — from the Kernel API Manual, bestie 🎀

okay so picture this: you're deep in the kernel API manual (yes, that one), and you've found the page for uvd_v3_1_start. It's giving "small function, big job" energy and honestly? We're obsessed. Let's get into it ✨

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✨ NAME ✨

uvd_v3_1_start — start the UVD block. That's it, that's the whole vibe. It starts the UVD block 🦋

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🌸 SYNOPSIS 🌸

int uvd_v3_1_start (struct amdgpu_device *adev );

like literally one argument, one return, no cap. Iconic minimalism 💅

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🎀 ARGUMENTS 🎀

• adev — an amdgpu_device pointer. That's the whole description, bestie, she's lowkey mysterious but we respect it 🫶

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💖 DESCRIPTION 💖

Setup and start the UVD block. Both. The setting up, the starting, the whole little glow-up routine. She does the prep work AND the launch, which is honestly main character energy if you think about it 👑

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🌈 SEE ALSO 🌈

The kernel file lives right here, no cap:

./drivers/gpu/drm/amd/amdgpu/uvd_v3_1.c

and here's the whole friend group, all mutuals, all slaying in their own lanes:

• uvd_v3_1_ring_get_rptr(9)
• uvd_v3_1_ring_get_wptr(9)
• uvd_v3_1_ring_set_wptr(9)
• uvd_v3_1_ring_emit_ib(9)
• uvd_v3_1_ring_emit_fence(9)
• uvd_v3_1_ring_test_ring(9)
• uvd_v3_1_mc_resume(9)
• uvd_v3_1_fw_validate(9)
• uvd_v3_1_stop(9)
• uvd_v3_1_hw_init(9)
• uvd_v3_1_hw_fini(9)

fr fr go read them all, they're all in the same file and they all ate 🔥

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ok that's the whole page, you're officially caught up 💀 no notes, she's short and she's perfect 🙈

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and that's a wrap, bestie!! this lil gem comes from the ./drivers/gpu/drm/amd/amdgpu source, stamped October 2026 — write that down, cite it in your essay, tell your friends 🍓🧚💜