[Intel-gfx] [PATCH v4 0/5] High refresh rate PSR fixes

Jouni Högander jouni.hogander at intel.com
Wed Mar 22 10:21:59 UTC 2023


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

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 (5):
  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      | 95 +++++++++++++++----
 drivers/gpu/drm/i915/display/skl_watermark.c  |  6 +-
 3 files changed, 80 insertions(+), 22 deletions(-)

-- 
2.34.1



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