[PATCH 0/6] drm/i915/dp: Add jitter WAs for MST/FEC/DSC links

Imre Deak imre.deak at intel.com
Mon Jan 29 17:55:27 UTC 2024


Add workarounds to fix jitter issues on non-UHBR/UHBR MST/FEC/DSC links.
This fixes at least the output on MTLP + a DELL docking station MST/DSC
link with different monitors connected.

Imre Deak (6):
  drm/i915/adlp: Add MST FEC BS jitter WA (Wa_14013163432)
  drm/i915/adlp: Add MST short HBlank WA (Wa_14014143976)
  drm/i915/adlp: Add DP MST DPT/DPTP alignment WA (Wa_14014143976)
  drm/i915/adlp+: Add DSC early pixel count scaling WA (Wa_1409098942)
  drm/i915/mtl+: Disable DP/DSC SF insertion at EOL WA
  drm/i915/mtl: Add DP FEC BS jitter WA

 drivers/gpu/drm/i915/display/intel_display.c | 25 ++++++++++++++
 drivers/gpu/drm/i915/display/intel_dp_mst.c  | 35 ++++++++++++++++++++
 drivers/gpu/drm/i915/i915_reg.h              | 10 ++++++
 3 files changed, 70 insertions(+)

-- 
2.39.2



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