[Intel-gfx] [PATCH 0/2] drm/i915: enable CxSR and FBC on Sandybridge

[Yuanhan Liu]

Hi, 

This two patches enable self refresh and frame buffer compression
on Sandybridge.

FYI, with my test, enable CxSR would save about 0.7W, while enable
FBC would save about 0.1~0.2W.

Thanks.
Yuanhan Liu

--
Yuanhan Liu (2):
  drm/i915: Add self-refresh support on Sandybridge
  drm/i915: Add frame buffer compression on Sandybridge

 drivers/gpu/drm/i915/i915_debugfs.c  |    2 +-
 drivers/gpu/drm/i915/i915_dma.c      |    4 +-
 drivers/gpu/drm/i915/i915_drv.c      |    1 +
 drivers/gpu/drm/i915/i915_reg.h      |   58 ++++++
 drivers/gpu/drm/i915/intel_display.c |  315 +++++++++++++++++++++++++++++++++-
 5 files changed, 376 insertions(+), 4 deletions(-)

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1.7.2.3