[Intel-gfx] [PATCH 0/4] drm/i915/bxt: Fix eDP link training after suspend

[Imre Deak]

This fixes eDP link training errors I noticed on BXT after suspend to
ram and adds some HW sanity check to catch similar issues in the future.

Imre Deak (4):
  drm/i915/bxt: Fix PPS lost state after suspend breaking eDP link
    training
  drm/i915: Deduplicate PPS register retrieval
  drm/i915: Factor out helper to read out PPS HW state
  drm/i915: Sanity check PPS HW state

 drivers/gpu/drm/i915/intel_dp.c         | 274 ++++++++++++++++++++------------
 drivers/gpu/drm/i915/intel_drv.h        |   7 +-
 drivers/gpu/drm/i915/intel_runtime_pm.c |   3 +-
 3 files changed, 179 insertions(+), 105 deletions(-)

-- 
2.5.0