[Intel-gfx] drm/i915/hsw: Enable resource streamer (v2)

[Abdiel Janulgue]

v2 of drm-i915 part of resource streamer enabling. Re-submitted
finally now that the Mesa portions are starting to take shape.
I also addressed some of the comments from Daniel and Chris from
the previous implementation.

Cc: Daniel Vetter <daniel at ffwll.ch>
Cc: Chris Wilson <chris at chris-wilson.co.uk>

Abdiel Janulgue (2):
      drm/i915/hsw: Add I915_EXEC_RESOURCE_STREAMER flag
      drm/i915/hsw: Enable resource streamer bit on MI_BATCH_BUFFER_START
--

 drivers/gpu/drm/i915/i915_gem_execbuffer.c | 2 ++
 drivers/gpu/drm/i915/i915_reg.h            | 1 +
 drivers/gpu/drm/i915/intel_ringbuffer.c    | 7 ++++---
 include/uapi/drm/i915_drm.h                | 5 +++++
 4 files changed, 12 insertions(+), 3 deletions(-)