From 4ca03f41ec0e668ec717d2e8fce7f38dae9c172f Mon Sep 17 00:00:00 2001 From: Eric Yang Date: Fri, 24 Aug 2018 16:54:14 -0400 Subject: [PATCH 5361/5725] drm/amd/display: use link type to decide stream enc acquisition [Why] Virtual sink is used when set mode happens on a disconnected display to allow the mode set to proceed. This did not work with MST because the logic for acquiring stream encoder uses stream signal to determine the special handling is required, and stream signal is virtual instead of DP in this case. [How] Use link type to decide instead. Change-Id: Ied8056c5cfc035dd313ddb3631bca72442491cd6 Signed-off-by: Eric Yang Reviewed-by: Tony Cheng Acked-by: Bhawanpreet Lakha --- drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index b2f6711..6d27db6 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -1753,7 +1753,7 @@ static struct stream_encoder *find_first_free_match_stream_enc_for_link( * required for non DP connectors. */ - if (j >= 0 && dc_is_dp_signal(stream->signal)) + if (j >= 0 && link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT) return pool->stream_enc[j]; return NULL; -- 2.7.4