Merge branch 'drm-radeon-next' of ../drm-radeon-next into drm-core-next
* 'drm-radeon-next' of ../drm-radeon-next:
drm/radeon/kms: improve pflip precision on r1xx-r4xx
drm/kms/radeon: Use high precision timestamps for pageflip completion events.
drm/kms/radeon: Reorder vblank and pageflip interrupt handling.
drm/radeon/kms: add pageflip ioctl support (v3)
drm/kms/radeon: Add support for precise vblank timestamping.