Merge tag 'topic/drm-misc-2016-09-19' of git://anongit.freedesktop.org/drm-intel into drm-next

Just random misc stuff that Sean/Sumit&Archit picked up while I relaxed.
Well except for one commit:

* tag 'topic/drm-misc-2016-09-19' of git://anongit.freedesktop.org/drm-intel:
  drm: Only use compat ioctl for addfb2 on X86/IA64
  drm/qxl: squash lines for simple wrapper functions
  drm/bridge: analogix_dp: squash lines for simple wrapper functions
  drm/radeon: squash lines for simple wrapper functions
  drm/amdgpu: squash lines for simple wrapper functions
  dma-buf/sync-file: Avoid enable fence signaling if poll(.timeout=0)
  drm/fence: allow fence waiting to be interrupted by userspace
  drm: Move property validation to a helper, v2.
  drm/bridge: adv7511: add support for the 2nd chip

include/drm/drm_atomic_helper.h

@@ -45,8 +45,9 @@ int drm_atomic_helper_commit(struct drm_device *dev,
 			     struct drm_atomic_state *state,
 			     bool nonblock);
 
-void drm_atomic_helper_wait_for_fences(struct drm_device *dev,
-					struct drm_atomic_state *state);
+int drm_atomic_helper_wait_for_fences(struct drm_device *dev,
+					struct drm_atomic_state *state,
+					bool pre_swap);
 bool drm_atomic_helper_framebuffer_changed(struct drm_device *dev,
 					   struct drm_atomic_state *old_state,
 					   struct drm_crtc *crtc);