More Intel DRM Changes For Linux 4.9, Including DMA-BUF Implicit Fencing

For Linux 4.9 we already saw some Intel DRM changes in early August, a second batch of feature changes in late August for DRM-Next, and out this morning is another batch of i915 DRM driver changes being queued for the upcoming Linux 4.9 kernel merge window.

There are a lot of changes with this latest pull request to DRM-Next.