From 5d2f400cef10bbe7e5c6eee77c7368eb3500e164 Mon Sep 17 00:00:00 2001 From: Harry Wentland Date: Fri, 27 Nov 2015 00:03:20 -0500 Subject: [PATCH 0532/1110] drm/amd/dal: Add delay for MST after LT This gives the receiver some time to establish the link and seems to have a positive impact on ACT handled. Signed-off-by: Harry Wentland Acked-by: Harry Wentland --- drivers/gpu/drm/amd/dal/dc/core/dc_link.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/dal/dc/core/dc_link.c b/drivers/gpu/drm/amd/dal/dc/core/dc_link.c index ec85e87..0e97180 100644 --- a/drivers/gpu/drm/amd/dal/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/dal/dc/core/dc_link.c @@ -1001,6 +1001,7 @@ enum dc_status core_link_enable(struct core_stream *stream) break; case SIGNAL_TYPE_DISPLAY_PORT_MST: status = enable_link_dp_mst(stream); + dc_service_sleep_in_milliseconds(stream->ctx, 200); break; case SIGNAL_TYPE_DVI_SINGLE_LINK: case SIGNAL_TYPE_DVI_DUAL_LINK: -- 2.7.4