diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c index 3a5e80b57711..03aae0c25022 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c @@ -2165,7 +2165,9 @@ static bool dp_verify_link_cap( link, &irq_data)) (*fail_count)++; - + } else if (status == LINK_TRAINING_LINK_LOSS) { + success = true; + (*fail_count)++; } else { (*fail_count)++; } @@ -2188,6 +2190,7 @@ bool dp_verify_link_cap_with_retries( int i = 0; bool success = false; int fail_count = 0; + struct dc_link_settings last_verified_link_cap = fail_safe_link_settings; dp_trace_detect_lt_init(link); @@ -2204,10 +2207,14 @@ bool dp_verify_link_cap_with_retries( if (!link_detect_connection_type(link, &type) || type == dc_connection_none) { link->verified_link_cap = fail_safe_link_settings; break; - } else if (dp_verify_link_cap(link, known_limit_link_setting, - &fail_count) && fail_count == 0) { - success = true; - break; + } else if (dp_verify_link_cap(link, known_limit_link_setting, &fail_count)) { + last_verified_link_cap = link->verified_link_cap; + if (fail_count == 0) { + success = true; + break; + } + } else { + link->verified_link_cap = last_verified_link_cap; } fsleep(10 * 1000); } |