diff options
| author | Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> | 2018-07-18 15:25:34 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-08-06 15:56:54 -0500 |
| commit | ad830e7ab1847f4a014c04496b2581a7497b204f (patch) | |
| tree | 7188ec62875d9f7ce36872f23c5b5c52b79eec66 /drivers/gpu/drm | |
| parent | 3e27e10e2ecee0d3a0083f8ae76354ac9c6ad15c (diff) | |
drm/amd/display: add vbios table check for enabling dp ss
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Eric Bernstein <Eric.Bernstein@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
4 files changed, 8 insertions, 1 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 9a6448e2089c..016587675da4 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -1038,6 +1038,7 @@ static bool construct( link->link_index = init_params->link_index; link->link_id = bios->funcs->get_connector_id(bios, init_params->connector_index); + link->dp_ss_off = !!dc_ctx->dc_bios->integrated_info->dp_ss_control;; if (link->link_id.type != OBJECT_TYPE_CONNECTOR) { dm_error("%s: Invalid Connector ObjectID from Adapter Service for connector index:%d! type %d expected %d\n", 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 160841da72a7..a7553b6d59c2 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 @@ -953,7 +953,10 @@ enum link_training_result dc_link_dp_perform_link_training( * LINK_SPREAD_05_DOWNSPREAD_30KHZ : * LINK_SPREAD_DISABLED; */ - lt_settings.link_settings.link_spread = LINK_SPREAD_05_DOWNSPREAD_30KHZ; + if (link->dp_ss_off) + lt_settings.link_settings.link_spread = LINK_SPREAD_DISABLED; + else + lt_settings.link_settings.link_spread = LINK_SPREAD_05_DOWNSPREAD_30KHZ; /* 1. set link rate, lane count and spread*/ dpcd_set_link_settings(link, <_settings); diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index 22f4ddd219d1..d43cefbc43d3 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -73,6 +73,7 @@ struct dc_link { enum dc_irq_source irq_source_hpd; enum dc_irq_source irq_source_hpd_rx;/* aka DP Short Pulse */ bool is_hpd_filter_disabled; + bool dp_ss_off; /* caps is the same as reported_link_cap. link_traing use * reported_link_cap. Will clean up. TODO diff --git a/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h b/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h index 36bbad594267..f312834fef50 100644 --- a/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h +++ b/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h @@ -395,6 +395,8 @@ struct integrated_info { struct i2c_reg_info dp3_ext_hdmi_reg_settings[9]; unsigned char dp3_ext_hdmi_6g_reg_num; struct i2c_reg_info dp3_ext_hdmi_6g_reg_settings[3]; + /* V11 */ + uint32_t dp_ss_control; }; /** |