Merge branch 'drm-fixes-4.0' of git://people.freedesktop.org/~agd5f/linux into drm-fixes

Radeon fixes for 4.0:
- Fix some fallout from the audio rework
- Fix a possible oops in the CS ioctl
- Fix interlaced modes on DCE8
- Do a posting read in irq_set callbacks to make sure
  interrupts are properly flushed through the pci bridge

* 'drm-fixes-4.0' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: fix interlaced modes on DCE8
  drm/radeon: fix DRM_IOCTL_RADEON_CS oops
  drm/radeon: do a posting read in cik_set_irq
  drm/radeon: do a posting read in si_set_irq
  drm/radeon: do a posting read in evergreen_set_irq
  drm/radeon: do a posting read in r600_set_irq
  drm/radeon: do a posting read in rs600_set_irq
  drm/radeon: do a posting read in r100_set_irq
  radeon/audio: fix DP audio on DCE6
  radeon/audio: fix whitespace
  drm/radeon: adjust audio callback order
  drm/radeon: properly set dto for dp on DCE4/5
  drm/radeon/audio: update EDID derived fields in modeset
  drm/radeon: don't toggle audio state in modeset
  drm/radeon/audio: set mute around state setup
  drm/radeon: assign pin in detect
  drm/radeon: fix the audio dpms callbacks