Merge branch 'drm-fixes-4.9' of git://people.freedesktop.org/~agd5f/linux into drm-fixes

one small powerplay fix and one regression fix for older PX systems and d3cold

* 'drm-fixes-4.9' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: fix power state when port pm is unavailable (v2)
  drm/amdgpu: fix power state when port pm is unavailable
  drm/amd/powerplay: avoid out of bounds access on array ps.