diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 2 |
3 files changed, 8 insertions, 8 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 5575d1adb9b5..ac128f7a9d85 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -720,9 +720,8 @@ bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason) same_dpcd = false; } /* Active dongle plug in without display or downstream unplug*/ - if (link->type == dc_connection_active_dongle - && link->dpcd_caps.sink_count. - bits.SINK_COUNT == 0) { + if (link->type == dc_connection_active_dongle && + link->dpcd_caps.sink_count.bits.SINK_COUNT == 0) { if (prev_sink != NULL) { /* Downstream unplug */ dc_sink_release(prev_sink); 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 72a88b1808fe..063d019a3f6f 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 @@ -2226,11 +2226,7 @@ bool is_mst_supported(struct dc_link *link) bool is_dp_active_dongle(const struct dc_link *link) { - enum display_dongle_type dongle_type = link->dpcd_caps.dongle_type; - - return (dongle_type == DISPLAY_DONGLE_DP_VGA_CONVERTER) || - (dongle_type == DISPLAY_DONGLE_DP_DVI_CONVERTER) || - (dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER); + return link->dpcd_caps.is_branch_dev; } static int translate_dpcd_max_bpc(enum dpcd_downstream_port_max_bpc bpc) @@ -2264,6 +2260,9 @@ static void get_active_converter_info( return; } + /* DPCD 0x5 bit 0 = 1, it indicate it's branch device */ + link->dpcd_caps.is_branch_dev = ds_port.fields.PORT_PRESENT; + switch (ds_port.fields.PORT_TYPE) { case DOWNSTREAM_VGA: link->dpcd_caps.dongle_type = DISPLAY_DONGLE_DP_VGA_CONVERTER; diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index c37a0ede132e..cfcb35f8f7d3 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -689,6 +689,8 @@ struct dpcd_caps { /* dongle type (DP converter, CV smart dongle) */ enum display_dongle_type dongle_type; + /* branch device or sink device */ + bool is_branch_dev; /* Dongle's downstream count. */ union sink_count sink_count; /* If dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER, |