drm-next-5.5-2019-11-22: amdgpu: - Fix bad DMA on some PPC platforms - MMHUB fix for powergating - BACO fix for Navi - Misc raven fixes - Enable vbios fetch directly from rom on navi - debugfs fix for DC - SR-IOV fixes for arcturus - Misc power fixes radeon: - Fix bad DMA on some PPC platforms