diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_dp_types.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h index 3a3ec38cdf8b..db669ccb1d58 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h @@ -1284,6 +1284,7 @@ struct dpcd_caps { union dp_receive_port0_cap receive_port0_cap; /* Indicates the number of SST links supported by MSO (Multi-Stream Output) */ uint8_t mso_cap_sst_links_supported; + uint8_t dp_edp_general_cap_2; }; union dpcd_sink_ext_caps { diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c index caddb7dfb133..b12c11bd6a14 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c @@ -2195,6 +2195,12 @@ void detect_edp_sink_caps(struct dc_link *link) DP_EDP_MSO_LINK_CAPABILITIES, (uint8_t *)&link->dpcd_caps.mso_cap_sst_links_supported, sizeof(link->dpcd_caps.mso_cap_sst_links_supported)); + /* + * Read eDP general capability 2 + */ + core_link_read_dpcd(link, DP_EDP_GENERAL_CAP_2, + (uint8_t *)&link->dpcd_caps.dp_edp_general_cap_2, + sizeof(link->dpcd_caps.dp_edp_general_cap_2)); } bool dp_get_max_link_enc_cap(const struct dc_link *link, struct dc_link_settings *max_link_enc_cap) |