Merge commit 'origin/drm-gem' into modesetting-gem

Lots of conflicts, seems to load ok, but I'm sure some bugs snuck in.

Conflicts:

	linux-core/drmP.h
	linux-core/drm_lock.c
	linux-core/i915_gem.c
	shared-core/drm.h
	shared-core/i915_dma.c
	shared-core/i915_drv.h
	shared-core/i915_irq.c