Merge branch 'drm-fixes-4.6' of git://people.freedesktop.org/~agd5f/linux into drm-fixes

Two some radeon display fixes.

* 'drm-fixes-4.6' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: fix PLL sharing on DCE6.1 (v2)
  drm/radeon: fix DP link training issue with second 4K monitor