[Intel-gfx] [PATCH v7 0/6] High refresh rate PSR fixes

Jouni Högander jouni.hogander at intel.com
Wed Mar 29 15:06:57 UTC 2023


Fix/adjust Wa_16013835468 and implement Wa_14015648006. Implement Wa_1136 and
check for vblank being long enough for psr2.

v7:
 - Apply  Wa_14015648006 for display version 12 only
 - Disable WM optimization in pre plane hook allow in post plane hook
v6:
 - Handle mode change in psr enable/disable
 - Handle wm_level_disable changes separately in pre plane hook
 - Handle WA #1136 in pre/post plane hooks
v5:
 - Add missing patch
v4:
 - Keep/fix Wa_16013835468
 - Use calculated block count number instead of fixed 12
v3:
 - apply Wa_16013835468 for icl as well
 - set/clear chicken bit in post plane update
 - Unify pre/post hooks
v2: Implement Wa_1136

Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
Cc: Stanislav Lisovskiy <stanislav.lisovskiy at intel.com>
Cc: Mika Kahola <mika.kahola at intel.com>

Jouni Högander (6):
  drm/i915/psr: Unify pre/post hooks
  drm/i915/psr: Modify/Fix Wa_16013835468 and prepare for Wa_14015648006
  drm/i915/psr: Implement Wa_14015648006
  drm/i915/psr: Add helpers for block count number handling
  drm/i915/psr: Check that vblank is long enough for psr2
  drm/i915/psr: Implement Display WA #1136

 .../drm/i915/display/intel_display_types.h    |  1 +
 drivers/gpu/drm/i915/display/intel_psr.c      | 90 +++++++++++++++----
 drivers/gpu/drm/i915/display/skl_watermark.c  |  6 +-
 3 files changed, 74 insertions(+), 23 deletions(-)

-- 
2.34.1



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