From 12f86dfc075b51a27cac81005a4583b2631234ac Mon Sep 17 00:00:00 2001 From: Jake Wang Date: Thu, 22 Oct 2020 15:23:16 -0400 Subject: [PATCH] drm/amd/display: set hdcp1 wa re-auth delay to 200ms [Why] Fail and restart timing for HDCP1 retry occurs too quickly. This would cause some MST monitors to show black screen. [How] Adjusted timing of fail and restart to 200ms. Signed-off-by: Jake Wang Reviewed-by: Wenjing Liu Acked-by: Qingqing Zhuo Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_transition.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_transition.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_transition.c index f3711914364e..24ab95b093f7 100644 --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_transition.c +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_transition.c @@ -231,7 +231,7 @@ enum mod_hdcp_status mod_hdcp_hdcp1_dp_transition(struct mod_hdcp *hdcp, fail_and_restart_in_ms(0, &status, output); break; } else if (conn->hdcp1_retry_count < conn->link.adjust.hdcp1.min_auth_retries_wa) { - fail_and_restart_in_ms(0, &status, output); + fail_and_restart_in_ms(200, &status, output); break; } if (conn->is_repeater) { -- GitLab