Commits
Merge branch 'drm-fixes-4.6' of git://people.freedesktop.org/~agd5f/linux into drm-fixes two fixes for hw lockups and one for a double free * 'drm-fixes-4.6' of git://people.freedesktop.org/~agd5f/linux: drm/amdgpu: make sure vertical front porch is at least 1 drm/radeon: make sure vertical front porch is at least 1 drm/amdgpu: set metadata pointer to NULL after freeing.
