drm/i915/psr: Enable ALPM on source side for eDP Panel replay

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Enable ALPM AUX-Less on source side for Panel Replay eDP. Also write all
calculated AUX-Less configuration values accordingly. Enabling it on sink
side is in upcoming patch.

Bspec: 71477

v5:
  - mention enable is only on source side in commit message
v4:
  - add comment explaining why AUX less is enabled on eDP panel replay
    without any extra checks
v3:
  - do not use alpm_ctl as uninitialized variable
v2:
  - do not set AUX-Wake related bits for AUX-Less case
  - drop switch to active latency
  - add SLEEP_HOLD_TIME_50_SYMBOLS
  - add PORT_ALPM_CTL_MAX_PHY_SWING_HOLD

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240328141928.1311284-5-jouni.hogander@intel.com

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This commit is contained in:

Jouni Högander 2024-03-28 16:19:27 +02:00

parent 0dd21f8369

commit 1ccbf13586

1 changed files with 43 additions and 4 deletions

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drivers/gpu/drm/i915/display/intel_psr.c

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