diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link.c | 16 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 7 |
2 files changed, 16 insertions, 7 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 1279eb1dfc2ed..72eb6af62f457 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -666,6 +666,22 @@ bool dc_link_detect(struct dc_link *link, bool boot) break; } + if (link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT && + sink_caps.transaction_type == + DDC_TRANSACTION_TYPE_I2C_OVER_AUX) { + /* + * TODO debug why Dell 2413 doesn't like + * two link trainings + */ + if (is_mst_supported(link)) { + link->verified_link_cap = + link->reported_link_cap; + } else { + dp_hbr_verify_link_cap(link, + &link->reported_link_cap); + } + } + /* HDMI-DVI Dongle */ if (sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A && !sink->edid_caps.edid_hdmi) 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 3d296b1d118f8..9d5fe658d14c4 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 @@ -2283,13 +2283,6 @@ void detect_dp_sink_caps(struct dc_link *link) * DP, hw_init may need check signal or power up * encoder here. */ - - if (is_mst_supported(link)) { - link->verified_link_cap = link->reported_link_cap; - } else { - dp_hbr_verify_link_cap(link, - &link->reported_link_cap); - } /* TODO save sink caps in link->sink */ } |