drm-fixes-5.4-2019-11-20

Alex Deucher

@adeucher

a0184d71 · Revert "drm/amd/display: enable S/G for RAVEN chip" · Nov 20, 2019

drm-fixes-5.4-2019-11-20:

amdgpu:
- Remove experimental flag for navi14
- Fix confusing power message failures on older VI parts
- Hang fix for gfxoff when using the read register interface
- Two stability regression fixes for Raven