[PATCH v2 00/17] Panel Replay eDP support

[Manna, Animesh]

> -----Original Message-----
> From: Hogander, Jouni <jouni.hogander at intel.com>
> Sent: Tuesday, May 21, 2024 2:17 PM
> To: intel-gfx at lists.freedesktop.org
> Cc: Manna, Animesh <animesh.manna at intel.com>; Kahola, Mika
> <mika.kahola at intel.com>; Hogander, Jouni <jouni.hogander at intel.com>
> Subject: [PATCH v2 00/17] Panel Replay eDP support
> 
> This patch set is implementing eDP1.5 Panel Replay for Intel hw. Also Region
> Early Transport information is added into debugfs interface and patch to
> disable Region Early Transport by default is reverted as it is needed by eDP
> Panel Replay.
> 
> v2:
>   - printout "Selective Update enabled (Early Transport)" instead of
>     "Selective Update Early Transport enabled"
>   - ensure that fastset is performed when the disable bit changes
> 
> Jouni Högander (17):
>   drm/i915/psr: Store pr_dpcd in intel_dp
>   drm/panel replay: Add edp1.5 Panel Replay bits and register
>   drm/i915/psr: Move printing sink PSR support to own function
>   drm/i915/psr: Move printing PSR mode to own function
>   drm/i915/psr: modify psr status debugfs to support eDP Panel Replay
>   drm/i915/psr: Add Panel Replay support to intel_psr2_config_et_valid
>   drm/i915/psr: Add Early Transport into psr debugfs interface
>   drm/display: Add missing aux less alpm wake related bits
>   drm/i915/psr: Check panel ALPM capability for eDP Panel Replay
>   drm/i915/psr: Inform Panel Replay source support on eDP as well
>   drm/i915/psr: enable sink for eDP1.5 Panel Replay
>   drm/i915/psr: Check panel Early Transport capability for eDP PR
>   drm/i915/psr: Perfrom psr2 checks related to ALPM for Panel Replay
>   drm/i915/psr: Check Early Transport for Panel Replay as well
>   drm/i915/psr: Modify dg2_activate_panel_replay to support eDP
>   drm/i915/psr: Add new debug bit to disable Panel Replay
>   Revert "drm/i915/psr: Disable early transport by default"

Some restrictions we may have to add for before enabling eDP Panel Replay.
1. With HDCP enable cannot enable panel replay.
2. With 8b/10b encoding only panel replay can be supported, not for 128b/132b encoding.

Regards,
Animesh
> 
>  .../drm/i915/display/intel_display_types.h    |   2 +
>  drivers/gpu/drm/i915/display/intel_psr.c      | 294 ++++++++++++------
>  include/drm/display/drm_dp.h                  |  19 +-
>  3 files changed, 213 insertions(+), 102 deletions(-)
> 
> --
> 2.34.1