Merge branch 'drm-radeon-next' of ../drm-radeon-next into drm-core-next

* 'drm-radeon-next' of ../drm-radeon-next:
  drm/radeon/kms: add drm blit support for evergreen
  drm/radeon: Modify radeon_pm_in_vbl to use radeon_get_crtc_scanoutpos()
  drm/radeon: Add function for display scanout position query.
  drm/radeon/kms: rework spread spectrum handling
  drm/radeon/kms: remove new pll algo
  drm/radeon/kms: remove some pll algo flags
  drm/radeon/kms: prefer high post dividers in legacy pll algo
  drm/radeon/kms: properly handle 40 bit MC addresses in the cursor code
  drm/radeon: add properties to configure the width of the underscan borders
  drm/radeon/kms/r6xx+: use new style fencing (v3)
  drm/radeon/kms: enable writeback (v2)
  drm/radeon/kms: clean up r6xx/r7xx blit init (v2)