diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index e70612eaf257..0602610489d7 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -2318,9 +2318,11 @@ void core_link_enable_stream( /* Abort stream enable *unless* the failure was due to * DP link training - some DP monitors will recover and - * show the stream anyway. + * show the stream anyway. But MST displays can't proceed + * without link training. */ - if (status != DC_FAIL_DP_LINK_TRAINING) { + if (status != DC_FAIL_DP_LINK_TRAINING || + pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { BREAK_TO_DEBUGGER(); return; } |