diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/dc_link_dpia.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/dc_link_dpia.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dpia.h b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dpia.h index 74dafd0f9d3d..39c1d1d07357 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dpia.h +++ b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dpia.h @@ -87,6 +87,11 @@ union dpia_set_config_data { */ enum dc_status dpcd_get_tunneling_device_data(struct dc_link *link); +/* Query hot plug status of USB4 DP tunnel. + * Returns true if HPD high. + */ +bool dc_link_dpia_query_hpd_status(struct dc_link *link); + /* Train DP tunneling link for USB4 DPIA display endpoint. * DPIA equivalent of dc_link_dp_perfrorm_link_training. * Aborts link training upon detection of sink unplug. |