Commits
Merge branch 'drm-next-3.18' of git://people.freedesktop.org/~agd5f/linux into drm-next concurrent buffer reads. * 'drm-next-3.18' of git://people.freedesktop.org/~agd5f/linux: drm/radeon: allow concurrent buffer reads drm/radeon: add the infrastructure for concurrent buffer access drm/ttm: allow fence to be added as shared