Merging iosf_mbi patches via the drm-tip tree

[Imre Deak]

Hi Thomas et al,

would it be ok to merge patch [1] - which contains changes in the
iosf_mbi code - via the drm-tip tree? It's part of patchset [2] from
Hans.

Thanks,
Imre

[1]
https://lists.freedesktop.org/archives/intel-gfx/2017-August/135991.html
[2]
https://lists.freedesktop.org/archives/intel-gfx/2017-August/135989.html