bool result = false;
enum dc_connection_type new_connection_type = dc_connection_none;
struct amdgpu_device *adev = drm_to_adev(dev);
-#ifdef CONFIG_DRM_AMD_DC_HDCP
union hpd_irq_data hpd_irq_data;
memset(&hpd_irq_data, 0, sizeof(hpd_irq_data));
-#endif
/*
* TODO:Temporary add mutex to protect hpd interrupt not have a gpio
if (dc_link->type != dc_connection_mst_branch)
mutex_lock(&aconnector->hpd_lock);
+ read_hpd_rx_irq_data(dc_link, &hpd_irq_data);
+
+ if ((dc_link->cur_link_settings.lane_count != LANE_COUNT_UNKNOWN) ||
+ (dc_link->type == dc_connection_mst_branch)) {
+ if (hpd_irq_data.bytes.device_service_irq.bits.UP_REQ_MSG_RDY) {
+ result = true;
+ dm_handle_hpd_rx_irq(aconnector);
+ goto out;
+ } else if (hpd_irq_data.bytes.device_service_irq.bits.DOWN_REP_MSG_RDY) {
+ result = false;
+ dm_handle_hpd_rx_irq(aconnector);
+ goto out;
+ }
+ }
+
mutex_lock(&adev->dm.dc_lock);
#ifdef CONFIG_DRM_AMD_DC_HDCP
result = dc_link_handle_hpd_rx_irq(dc_link, &hpd_irq_data, NULL);
#endif
mutex_unlock(&adev->dm.dc_lock);
+out:
if (result && !is_mst_root_connector) {
/* Downstream Port status changed. */
if (!dc_link_detect_sink(dc_link, &new_connection_type))
hdcp_handle_cpirq(adev->dm.hdcp_workqueue, aconnector->base.index);
}
#endif
- if ((dc_link->cur_link_settings.lane_count != LANE_COUNT_UNKNOWN) ||
- (dc_link->type == dc_connection_mst_branch))
- dm_handle_hpd_rx_irq(aconnector);
if (dc_link->type != dc_connection_mst_branch) {
drm_dp_cec_irq(&aconnector->dm_dp_aux.aux);
bool dc_link_handle_hpd_rx_irq(struct dc_link *dc_link,
union hpd_irq_data *hpd_irq_dpcd_data, bool *out_link_loss);
+enum dc_status read_hpd_rx_irq_data(
+ struct dc_link *link,
+ union hpd_irq_data *irq_data);
+
struct dc_sink_init_data;
struct dc_sink *dc_link_add_remote_sink(