Well I am pleased to announce that RSX Driver for Linux is released. The RSX driver is the product of hard work by durandal and glevand, who gave up many hours to accomplish this. So here you go, the link for the RSX driver:
On a side note, may I add that contrary to public belief for 5 YEARS, the RSX does not rely on DMA to process graphics, but rather uses PPU instructions to push objects to RSX VRAM. So... yeah another breakthrough by the team who scammed everyone.... Gitbrew.