[Intel-gfx] [PATCH 0/9] drm/i915/edp: enable MSO... maybe

[Jani Nikula]

Try to enable eDP Multi-SST Operation (MSO) on TGL.

This is completely untested, no idea if it'll work or not.

Missing pieces are at least:

- Digging pixel overlap from DisplayID 2.0
- PSR
- DSC

BR,
Jani.


Jani Nikula (9):
  drm/dp: add MSO related DPCD registers
  drm/i915/edp: reject modes with dimensions other than fixed mode
  drm/i915/edp: always add fixed mode to probed modes in ->get_modes()
  drm/i915/edp: read sink MSO configuration for eDP 1.4+
  drm/i915/reg: add stream splitter configuration definitions
  drm/i915/mso: add state readout for platforms that support it
  drm/i915/mso: add state check
  drm/i915/edp: modify fixed and downclock modes for MSO
  drm/i915/edp: enable eDP MSO during link training

 drivers/gpu/drm/i915/display/intel_ddi.c      | 74 +++++++++++++++
 drivers/gpu/drm/i915/display/intel_display.c  |  4 +
 .../drm/i915/display/intel_display_types.h    |  8 ++
 drivers/gpu/drm/i915/display/intel_dp.c       | 94 ++++++++++++++++---
 drivers/gpu/drm/i915/i915_drv.h               |  2 +
 drivers/gpu/drm/i915/i915_reg.h               |  3 +
 include/drm/drm_dp_helper.h                   |  5 +
 7 files changed, 179 insertions(+), 11 deletions(-)

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2.20.1