drm/i915/psr: Silence period and lfps half cycle

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Add get function for silence period and lfps half cycle. Values are taken
from the tables in bspec.

Bspec: 71632

v3:
  - use PORT_ALPM_CTL_SILENCE_PERIOD_MASK instead of value 255
  - use PORT_ALPM_LFPS_CTL_LAST_LFPS_HALF_CYCLE_DURATION_MASK instead of
    value 31
v2:
  - fix some checks
  - add some more comments

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240328141928.1311284-4-jouni.hogander@intel.com

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This commit is contained in:

Jouni Högander 2024-03-28 16:19:26 +02:00

parent da6a9836ac

commit 0dd21f8369

2 changed files with 82 additions and 2 deletions

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2

drivers/gpu/drm/i915/display/intel_display_types.h

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82

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

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