Merge branch 'drm-fixes-4.4' of git://people.freedesktop.org/~agd5f/linux into drm...

Radeon and amdgpu fixes for 4.4:
- DPM fixes for r7xx devices
- VCE fixes for Stoney
- GPUVM fixes
- Scheduler fixes

* 'drm-fixes-4.4' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: make some dpm errors debug only
  drm/radeon: make rv770_set_sw_state failures non-fatal
  drm/amdgpu: move dependency handling out of atomic section v2
  drm/amdgpu: optimize scheduler fence handling
  drm/amdgpu: remove vm->mutex
  drm/amdgpu: add mutex for ba_va->valids/invalids
  drm/amdgpu: adapt vce session create interface changes
  drm/amdgpu: vce use multiple cache surface starting from stoney
  drm/amdgpu: reset vce trap interrupt flag