[v5,0/6] Link off between frames for edp

Message

Manna, Animesh May 20, 2024, 10:48 a.m. UTC

Link Off Between Active Frames (LOBF) allows an eDP link to be turned Off and On
durning long VBLANK durations without enabling any of the PSR/PSR2/PR modes of operation.

Bspec: 71477

Note: Lobf need to be enabled adaptive sync fixed refresh mode
where vmin = vmax = flipline, which will arise after cmmr feature
enablement. Currently existing code refactored and make compute-config()
and enabling function ready. Will add enabling sequence in a separate patch.

Signed-off-by: Animesh Manna <[e-mail]>

Animesh Manna (5):
  drm/i915/alpm: Move alpm parameters from intel_psr
  drm/i915/alpm: Move alpm related code to a new file
  drm/i915/alpm: Add compute config for lobf
  drm/i915/alpm: Enable lobf from source in ALPM_CTL
  drm/i915/alpm: Add debugfs for LOBF

Jouni Högander (1):
  drm/display: Add missing aux less alpm wake related bits

 drivers/gpu/drm/i915/Makefile                 |   1 +
 drivers/gpu/drm/i915/display/intel_alpm.c     | 411 ++++++++++++++++++
 drivers/gpu/drm/i915/display/intel_alpm.h     |  25 ++
 .../drm/i915/display/intel_display_debugfs.c  |   2 +
 .../drm/i915/display/intel_display_types.h    |  26 +-
 drivers/gpu/drm/i915/display/intel_dp.c       |   4 +
 drivers/gpu/drm/i915/display/intel_psr.c      | 303 +------------
 drivers/gpu/drm/xe/Makefile                   |   1 +
 include/drm/display/drm_dp.h                  |   5 +-
 9 files changed, 475 insertions(+), 303 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/display/intel_alpm.c
 create mode 100644 drivers/gpu/drm/i915/display/intel_alpm.h