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drm/amd/display: Return out_link_loss from interrupt handler
Signed-off-by: Fatemeh Darbehani <fatemeh.darbehani@amd.com> Reviewed-by: Aric Cyr <Aric.Cyr@amd.com> Acked-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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3 changed files with 9 additions and 3 deletions
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@ -1041,7 +1041,7 @@ static void handle_hpd_rx_irq(void *param)
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if (dc_link->type != dc_connection_mst_branch)
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mutex_lock(&aconnector->hpd_lock);
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if (dc_link_handle_hpd_rx_irq(dc_link, NULL) &&
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if (dc_link_handle_hpd_rx_irq(dc_link, NULL, NULL) &&
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!is_mst_root_connector) {
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/* Downstream Port status changed. */
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if (dc_link_detect(dc_link, DETECT_REASON_HPDRX)) {
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@ -1996,12 +1996,16 @@ static void handle_automated_test(struct dc_link *link)
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sizeof(test_response));
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}
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bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd_irq_dpcd_data)
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bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd_irq_dpcd_data, bool *out_link_loss)
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{
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union hpd_irq_data hpd_irq_dpcd_data = {{{{0}}}};
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union device_service_irq device_service_clear = { { 0 } };
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enum dc_status result;
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bool status = false;
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if (out_link_loss)
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*out_link_loss = false;
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/* For use cases related to down stream connection status change,
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* PSR and device auto test, refer to function handle_sst_hpd_irq
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* in DAL2.1*/
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@ -2076,6 +2080,8 @@ bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd
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true, LINK_TRAINING_ATTEMPTS);
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status = false;
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if (out_link_loss)
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*out_link_loss = true;
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}
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if (link->type == dc_connection_active_dongle &&
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@ -172,7 +172,7 @@ bool dc_link_detect(struct dc_link *dc_link, enum dc_detect_reason reason);
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* false - no change in Downstream port status. No further action required
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* from DM. */
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bool dc_link_handle_hpd_rx_irq(struct dc_link *dc_link,
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union hpd_irq_data *hpd_irq_dpcd_data);
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union hpd_irq_data *hpd_irq_dpcd_data, bool *out_link_loss);
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struct dc_sink_init_data;
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