[PATCH 0/2] drm/i915/gvt: Optimize ring siwtch for 4x faster

[changbin.du at intel.com]

From: Changbin Du <changbin.du at intel.com>

This brings two optimizations for gvt ring switch. Each of them get 2x
faster ring switch performance.

Changbin Du (2):
  drm/i915/gvt: Optimize ring siwtch 2x faster by removing unnecessary
    POSTING_READ
  drm/i915/gvt: Optimize ring siwtch 2x faster again by light weight
    mmio access wrapper

 drivers/gpu/drm/i915/gvt/render.c | 57 +++++++++++++++++++++++++++------------
 1 file changed, 40 insertions(+), 17 deletions(-)

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2.7.4