diff options
| author | Hersen Wu <[email protected]> | 2018-01-30 11:46:16 -0500 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2018-02-19 14:19:58 -0500 |
| commit | 10dab1934b4b4e56f5b6f07ed021b1ac663c5888 (patch) | |
| tree | d34f105b408542f4f932f36ff3d9932544dca7ac | |
| parent | 9a6995ce9b5cdf643f5bc0e79bdc7e0cf4c03c94 (diff) | |
drm/amd/display: VGA black screen from s3 when attached to hook
[Description] For MST, DC already notify MST sink for MST mode, DC stll
check DP SINK DPCD register to see if MST enabled. DP RX firmware may
not handle this properly.
Signed-off-by: Hersen Wu <[email protected]>
Reviewed-by: Tony Cheng <[email protected]>
Acked-by: Harry Wentland <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 4ee4c03a6724..604fb0171ee3 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -1465,7 +1465,7 @@ void decide_link_settings(struct dc_stream_state *stream, /* MST doesn't perform link training for now * TODO: add MST specific link training routine */ - if (is_mst_supported(link)) { + if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { *link_setting = link->verified_link_cap; return; } |