[Intel-gfx] [PATCHv5] optimize wait for vblank

[Arun R Murthy]

Implemented the comments based on
www.spinics.net/lists/intel-gfx/msg42439.html

Arun R Murthy (1):
  drm/i915: use waitqueue in wait for vblank

 drivers/gpu/drm/i915/i915_dma.c      |    2 ++
 drivers/gpu/drm/i915/i915_drv.h      |    1 +
 drivers/gpu/drm/i915/i915_irq.c      |   16 ++++++++++++----
 drivers/gpu/drm/i915/intel_display.c |   10 ++++++----
 4 files changed, 21 insertions(+), 8 deletions(-)

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1.7.9.5