From 8cb3c169fc7574cb889deb3b59a3c8e783fb4685 Mon Sep 17 00:00:00 2001 From: Samson Tam Date: Wed, 16 Mar 2022 01:06:42 -0400 Subject: [PATCH] drm/amd/display: Add support for USBC connector [Why] Add support for CONNECTOR_ID_USBC Reviewed-by: Alvin Lee Acked-by: Alex Hung Signed-off-by: Samson Tam Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/bios/bios_parser_common.c | 3 +++ drivers/gpu/drm/amd/display/dc/bios/command_table.c | 3 ++- drivers/gpu/drm/amd/display/dc/core/dc_link.c | 8 ++++++-- drivers/gpu/drm/amd/display/include/grph_object_id.h | 1 + 4 files changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser_common.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser_common.c index a8cb039..34e3a64 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser_common.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser_common.c @@ -213,6 +213,9 @@ static enum connector_id connector_id_from_bios_object_id( case CONNECTOR_OBJECT_ID_MXM: id = CONNECTOR_ID_MXM; break; + case CONNECTOR_OBJECT_ID_USBC: + id = CONNECTOR_ID_USBC; + break; default: id = CONNECTOR_ID_UNKNOWN; break; diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table.c b/drivers/gpu/drm/amd/display/dc/bios/command_table.c index 0e36cd8..32efa92 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/command_table.c +++ b/drivers/gpu/drm/amd/display/dc/bios/command_table.c @@ -522,7 +522,8 @@ static enum bp_result transmitter_control_v2( */ params.acConfig.ucEncoderSel = 1; - if (CONNECTOR_ID_DISPLAY_PORT == connector_id) + if (CONNECTOR_ID_DISPLAY_PORT == connector_id + || CONNECTOR_ID_USBC == connector_id) /* Bit4: DP connector flag * =0 connector is none-DP connector * =1 connector is DP connector 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 c7c4d98..7aede64 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -345,6 +345,7 @@ static enum signal_type get_basic_signal_type(struct graphics_object_id encoder, case CONNECTOR_ID_LVDS: return SIGNAL_TYPE_LVDS; case CONNECTOR_ID_DISPLAY_PORT: + case CONNECTOR_ID_USBC: return SIGNAL_TYPE_DISPLAY_PORT; case CONNECTOR_ID_EDP: return SIGNAL_TYPE_EDP; @@ -380,7 +381,8 @@ bool dc_link_is_dp_sink_present(struct dc_link *link) bool present = ((connector_id == CONNECTOR_ID_DISPLAY_PORT) || - (connector_id == CONNECTOR_ID_EDP)); + (connector_id == CONNECTOR_ID_EDP) || + (connector_id == CONNECTOR_ID_USBC)); ddc = dal_ddc_service_get_ddc_pin(link->ddc); @@ -476,7 +478,8 @@ static enum signal_type link_detect_sink(struct dc_link *link, result = SIGNAL_TYPE_DVI_SINGLE_LINK; } break; - case CONNECTOR_ID_DISPLAY_PORT: { + case CONNECTOR_ID_DISPLAY_PORT: + case CONNECTOR_ID_USBC: { /* DP HPD short pulse. Passive DP dongle will not * have short pulse */ @@ -1591,6 +1594,7 @@ static bool dc_link_construct_legacy(struct dc_link *link, link->connector_signal = SIGNAL_TYPE_DVI_DUAL_LINK; break; case CONNECTOR_ID_DISPLAY_PORT: + case CONNECTOR_ID_USBC: link->connector_signal = SIGNAL_TYPE_DISPLAY_PORT; if (link->hpd_gpio) diff --git a/drivers/gpu/drm/amd/display/include/grph_object_id.h b/drivers/gpu/drm/amd/display/include/grph_object_id.h index fed1edc..c6bbd26 100644 --- a/drivers/gpu/drm/amd/display/include/grph_object_id.h +++ b/drivers/gpu/drm/amd/display/include/grph_object_id.h @@ -162,6 +162,7 @@ enum connector_id { CONNECTOR_ID_MXM = 21, CONNECTOR_ID_WIRELESS = 22, CONNECTOR_ID_MIRACAST = 23, + CONNECTOR_ID_USBC = 24, CONNECTOR_ID_VIRTUAL = 100 }; -- 2.7.4