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-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c30
-rw-r--r--drivers/gpu/drm/amd/display/include/dpcd_defs.h2
2 files changed, 21 insertions, 11 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 b512fecae061..08bd9c96b9b0 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
@@ -2398,8 +2398,8 @@ static void get_active_converter_info(
case DOWNSTREAM_VGA:
link->dpcd_caps.dongle_type = DISPLAY_DONGLE_DP_VGA_CONVERTER;
break;
- case DOWNSTREAM_DVI_HDMI:
- /* At this point we don't know is it DVI or HDMI,
+ case DOWNSTREAM_DVI_HDMI_DP_PLUS_PLUS:
+ /* At this point we don't know is it DVI or HDMI or DP++,
* assume DVI.*/
link->dpcd_caps.dongle_type = DISPLAY_DONGLE_DP_DVI_CONVERTER;
break;
@@ -2416,6 +2416,10 @@ static void get_active_converter_info(
det_caps, sizeof(det_caps));
switch (port_caps->bits.DWN_STRM_PORTX_TYPE) {
+ /*Handle DP case as DONGLE_NONE*/
+ case DOWN_STREAM_DETAILED_DP:
+ link->dpcd_caps.dongle_type = DISPLAY_DONGLE_NONE;
+ break;
case DOWN_STREAM_DETAILED_VGA:
link->dpcd_caps.dongle_type =
DISPLAY_DONGLE_DP_VGA_CONVERTER;
@@ -2425,6 +2429,8 @@ static void get_active_converter_info(
DISPLAY_DONGLE_DP_DVI_CONVERTER;
break;
case DOWN_STREAM_DETAILED_HDMI:
+ case DOWN_STREAM_DETAILED_DP_PLUS_PLUS:
+ /*Handle DP++ active converter case, process DP++ case as HDMI case according DP1.4 spec*/
link->dpcd_caps.dongle_type =
DISPLAY_DONGLE_DP_HDMI_CONVERTER;
@@ -2440,14 +2446,18 @@ static void get_active_converter_info(
link->dpcd_caps.dongle_caps.is_dp_hdmi_s3d_converter =
hdmi_caps.bits.FRAME_SEQ_TO_FRAME_PACK;
- link->dpcd_caps.dongle_caps.is_dp_hdmi_ycbcr422_pass_through =
- hdmi_caps.bits.YCrCr422_PASS_THROUGH;
- link->dpcd_caps.dongle_caps.is_dp_hdmi_ycbcr420_pass_through =
- hdmi_caps.bits.YCrCr420_PASS_THROUGH;
- link->dpcd_caps.dongle_caps.is_dp_hdmi_ycbcr422_converter =
- hdmi_caps.bits.YCrCr422_CONVERSION;
- link->dpcd_caps.dongle_caps.is_dp_hdmi_ycbcr420_converter =
- hdmi_caps.bits.YCrCr420_CONVERSION;
+ /*YCBCR capability only for HDMI case*/
+ if (port_caps->bits.DWN_STRM_PORTX_TYPE
+ == DOWN_STREAM_DETAILED_HDMI) {
+ link->dpcd_caps.dongle_caps.is_dp_hdmi_ycbcr422_pass_through =
+ hdmi_caps.bits.YCrCr422_PASS_THROUGH;
+ link->dpcd_caps.dongle_caps.is_dp_hdmi_ycbcr420_pass_through =
+ hdmi_caps.bits.YCrCr420_PASS_THROUGH;
+ link->dpcd_caps.dongle_caps.is_dp_hdmi_ycbcr422_converter =
+ hdmi_caps.bits.YCrCr422_CONVERSION;
+ link->dpcd_caps.dongle_caps.is_dp_hdmi_ycbcr420_converter =
+ hdmi_caps.bits.YCrCr420_CONVERSION;
+ }
link->dpcd_caps.dongle_caps.dp_hdmi_max_bpc =
translate_dpcd_max_bpc(
diff --git a/drivers/gpu/drm/amd/display/include/dpcd_defs.h b/drivers/gpu/drm/amd/display/include/dpcd_defs.h
index 1c66166d0a94..2c90d1b46c8b 100644
--- a/drivers/gpu/drm/amd/display/include/dpcd_defs.h
+++ b/drivers/gpu/drm/amd/display/include/dpcd_defs.h
@@ -43,7 +43,7 @@ enum dpcd_revision {
enum dpcd_downstream_port_type {
DOWNSTREAM_DP = 0,
DOWNSTREAM_VGA,
- DOWNSTREAM_DVI_HDMI,
+ DOWNSTREAM_DVI_HDMI_DP_PLUS_PLUS,/* DVI, HDMI, DP++ */
DOWNSTREAM_NONDDC /* has no EDID (TV,CV) */
};