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
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