From: Michael Strauss <michael.strauss@xxxxxxx> [WHY] Needed for PHY patterns as well to perform electrical compliance. Also need to increase wait time from 30ms to 50ms to resolve very intermittent UHBR20 link training failures. Reviewed-by: Wenjing Liu <wenjing.liu@xxxxxxx> Acked-by: Zaeem Mohamed <zaeem.mohamed@xxxxxxx> Signed-off-by: Michael Strauss <michael.strauss@xxxxxxx> --- .../dc/link/hwss/link_hwss_hpo_fixed_vs_pe_retimer_dp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_fixed_vs_pe_retimer_dp.c b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_fixed_vs_pe_retimer_dp.c index 5302d2c9c760..116ff37126e7 100644 --- a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_fixed_vs_pe_retimer_dp.c +++ b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_fixed_vs_pe_retimer_dp.c @@ -168,9 +168,9 @@ static void set_hpo_fixed_vs_pe_retimer_dp_link_test_pattern(struct dc_link *lin link->dc->link_srv->dp_trace_source_sequence(link, DPCD_SOURCE_SEQ_AFTER_SET_SOURCE_PATTERN); - // Give retimer extra time to lock before updating DP_TRAINING_PATTERN_SET to TPS1 - if (tp_params->dp_phy_pattern == DP_TEST_PATTERN_128b_132b_TPS1_TRAINING_MODE) - msleep(30); + // Give retimer extra time to lock before updating DP_TRAINING_PATTERN_SET to TPS1 or phy pattern + if (tp_params->dp_phy_pattern != DP_TEST_PATTERN_128b_132b_TPS2_TRAINING_MODE) + msleep(50); } static void set_hpo_fixed_vs_pe_retimer_dp_lane_settings(struct dc_link *link, -- 2.34.1
