[Intel-gfx] [PATCH v2] Add support for Z-order of planes

[yu.dai at intel.com]

From: "Yu(Alex) Dai" <yu.dai at intel.com>

Add code to check invalid z-order. Also, avoid z-order setting if there
is no change in z-order.

Yu(Alex) Dai (1):
  drm/i915: add support for Z-order of planes.

 drivers/gpu/drm/i915/i915_drv.h      |  1 +
 drivers/gpu/drm/i915/i915_reg.h      | 10 +++++
 drivers/gpu/drm/i915/intel_display.c | 60 ++++++++++++++++++++++++--
 drivers/gpu/drm/i915/intel_drv.h     |  6 +++
 drivers/gpu/drm/i915/intel_sprite.c  | 81 ++++++++++++++++++++++++++++++++++--
 5 files changed, 151 insertions(+), 7 deletions(-)

-- 
1.8.5.2