0bbd1c7de3
[Why] Several issues were discovered that caused link training to fail when an LTTPR device is connected downstream for the fixed VS sequence. [How] The following were added: - workaround to configure AUX timeout for fixed VS sequence - additional delay before disabling fixed VS intercept - detection of fixed VS deadlock state and performing DPCD sequence to recover Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Reviewed-by: Meenakshikumar Somasundaram <Meenakshikumar.Somasundaram@amd.com> Acked-by: Alan Liu <HaoPing.Liu@amd.com> Signed-off-by: George Shen <George.Shen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>