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nouveau on nvidia spark GB10 - it's alive!

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 After much back and forth and hoops jumping, I can finally reveal nouveau/nvk running on a NVIDIA Spark box.  This is running on a version of nouveau[1] that has a) ported to the 610 NVIDIA firmware  b) a bunch of display rework from Moham c) a bunch of 0 VRAM and L2 cache handling fixes d) spark boot support  e) spark display support  and NVK[2] with patches to handle gb10 depth/stencil differences and 0 VRAM support.  I'm not sure how best to upstream it all, it's 100 patches and a new firmware which my mean it's a wait for nova type situation, but I just wanted to see it work.  [1] https://gitlab.freedesktop.org/nouvelles/kernel/-/commits/nouveau-610-wip-spark [2] https://gitlab.freedesktop.org/airlied/mesa/-/commits/nvk-spark-wip