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Switch desktop to Vega 8 iGPU, NVIDIA via PRIME offload

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The Radeon Vega 8 iGPU now drives the desktop; the RTX 3060 Ti is used
through PRIME offload for games (everything launched by Steam) and for
LLMs (CUDA). Firefox video decoding moves to the iGPU's radeonsi VA-API,
so the nvidia-vaapi env vars are gone and Firefox's RDD sandbox is back on.
Requires the iGPU enabled as primary display in BIOS.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Nexoniarz 2026-10-07 19:19:05 +02:00
commit 721f1d509c
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README.md
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@ -10,7 +10,7 @@ My personal NixOS system configuration.
- **Terminal:** Konsole
- **Shell:** Zsh
- **Audio:** PipeWire
- **GPU:** NVIDIA (open kernel modules, primary) + Radeon Vega 8 iGPU (compute)
- **GPU:** Radeon Vega 8 iGPU for the desktop, NVIDIA RTX 3060 Ti (open kernel modules) via PRIME offload for games and LLMs
## Layout