Linux 6.3 To Allow Some AMD GPU Power Savings Benefits Even Without S0ix BIOS Support

AMD sent in another batch of AMDGPU features and fixes to DRM-Next this week ahead of the Linux 6.3 merge window. With being late in the cycle the material is mostly of different fixes -- including some Radeon RX 7000 series "RDNA3" (GFX11) fixes -- but also a new feature in that AMD Radeon GPU power savings with S0ix even when the system BIOS support is lacking...