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drm/amd/display: Update FIXED_VS retimer training pattern delay

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[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@amd.com>
Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michael Strauss 2024-05-09 15:38:05 -04:00 committed by Alex Deucher
parent 9a29c4adb0
commit 396477d950
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_fixed_vs_pe_retimer_dp.c
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@ -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,