[Intel-gfx] [PATCH v8 0/6] Enable Transcoder port sync for Tiled displays

[Manasi Navare]

This set of patches enables transcoder port sync to synchronize tiled displays
across multiple SST DP ports using the master-slave model.
This has been tested with kms_dp_tiled_display.c IGT test which validates
the page flip synchronization.

This set of patches addresses the final set of comments from Ville
and Maarten.

Manasi Navare (6):
  drm/i915/display/icl: Save Master transcoder in slave's crtc_state for
    Transcoder Port Sync
  drm/i915/display/icl: Enable TRANSCODER PORT SYNC for tiled displays
    across separate ports
  drm/i915/display/icl: HW state readout for transcoder port sync config
  drm/i915/display/icl: Enable master-slaves in trans port sync
  drm/i915/display/icl: Disable transcoder port sync as part of
    crtc_disable() sequence
  drm/i915/display/icl: In port sync mode disable slaves first then
    master

 drivers/gpu/drm/i915/display/intel_ddi.c      |   3 +-
 drivers/gpu/drm/i915/display/intel_display.c  | 428 +++++++++++++++++-
 drivers/gpu/drm/i915/display/intel_display.h  |   4 +
 .../drm/i915/display/intel_display_types.h    |   6 +
 4 files changed, 431 insertions(+), 10 deletions(-)

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2.19.1