Merge branch 'drm-armada-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into drm-next

These are the patches from Daniel Vetter, getting rid of struct_mutex
from the Armada DRM driver.

* 'drm-armada-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  drm/armada: use a private mutex to protect priv->linear
  drm/armada: drop struct_mutex from cursor paths
  drm/armada: don't grab dev->struct_mutex for in mmap offset ioctl
  drm/armada: plug leak in dumb_map_offset
  drm/armada: use unlocked gem unreferencing