[0/8] drm/dp, drm/i915: 128b/132b updates

Message

Jani Nikula Jan. 25, 2022, 5:03 p.m. UTC

128b/132b updates to reflect DP 2.0 errata changes, plus some other DP
updates.

Jani Nikula (8):
  drm/dp: add drm_dp_128b132b_read_aux_rd_interval()
  drm/dp: add 128b/132b link status helpers from DP 2.0 E11
  drm/dp: add some new DPCD macros from DP 2.0 E11
  drm/i915/dp: move intel_dp_prepare_link_train() call
  drm/i915/dp: rewrite DP 2.0 128b/132b link training based on errata
  drm/i915/dp: add 128b/132b support to link status checks
  drm/i915/dp: give more time for CDS
  drm/i915/mst: update slot information for 128b/132b

 drivers/gpu/drm/dp/drm_dp.c                   |  83 ++++++
 drivers/gpu/drm/i915/display/intel_dp.c       |  39 ++-
 .../drm/i915/display/intel_dp_link_training.c | 262 +++++++++++++++++-
 .../drm/i915/display/intel_dp_link_training.h |   4 +
 drivers/gpu/drm/i915/display/intel_dp_mst.c   |  29 +-
 include/drm/dp/drm_dp_helper.h                |  24 +-
 6 files changed, 420 insertions(+), 21 deletions(-)