Transmit – Misaligned Data - 3.0 English

DisplayPort 1.4 TX Subsystem Product Guide (PG299)

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3.0 English

This section contains debugging steps for issues with data appearing to be misaligned or shifted on the monitor.

  1. Check the EDID timings to verify they are within the CVT standard RB and RB2 reduced blanking resolutions.
  2. Using EDID timings outside of the CVT standard can cause timing issues.

To fix this, define VTC_ADJUST_FOR_BS_TIMING in the xdptxss_vtc.c. This moves the BS symbol into the front porch to fix a swing in the BS timing caused by a non-standard CVT timing.