AGX PCIe Compliance Test

     We encountered a problems when using AGX for PCIe  Compliance testing，The PCIe signal will only be generated at the beginning of system startup when connected  test fixtures, but it cannot be maintained.

     I have referred to the content of the PCIe test in 《Jetson_AGX_Xavier_Series_Tuning_and_Compliance_Guide_DA-09855-001_v1.2》，"To keep the PCIe controller enabled, the patch (rel-32_Xavier.diff) attached to this application note should be applied."，

    Is this the cause of the problem？Where can I get the patch？