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path: root/drivers/gpu/drm/amd/display/dc/inc/dc_link_dpia.h
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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.h10
1 files changed, 8 insertions, 2 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 974d703e3771..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
@@ -87,12 +87,18 @@ 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.
*/
-enum link_training_result
-dc_link_dpia_perform_link_training(struct dc_link *link,
+enum link_training_result dc_link_dpia_perform_link_training(
+ struct dc_link *link,
+ const struct link_resource *link_res,
const struct dc_link_settings *link_setting,
bool skip_video_pattern);