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Commit 4e18814e authored by Fatemeh Darbehani's avatar Fatemeh Darbehani Committed by Alex Deucher
Browse files

drm/amd/display: Return out_link_loss from interrupt handler 



Signed-off-by: default avatarFatemeh Darbehani <fatemeh.darbehani@amd.com>
Reviewed-by: default avatarAric Cyr <Aric.Cyr@amd.com>
Acked-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 6c4fff06

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

+1 −1
Original line number Diff line number Diff line
@@ -1041,7 +1041,7 @@ static void handle_hpd_rx_irq(void *param) 
	if (dc_link->type != dc_connection_mst_branch)

		mutex_lock(&aconnector->hpd_lock);



	if (dc_link_handle_hpd_rx_irq(dc_link, NULL) &&

	if (dc_link_handle_hpd_rx_irq(dc_link, NULL, NULL) &&

			!is_mst_root_connector) {

		/* Downstream Port status changed. */

		if (dc_link_detect(dc_link, DETECT_REASON_HPDRX)) {

drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c

+7 −1
Original line number Diff line number Diff line
@@ -1996,12 +1996,16 @@ static void handle_automated_test(struct dc_link *link) 
			sizeof(test_response));

}



bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd_irq_dpcd_data)

bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd_irq_dpcd_data, bool *out_link_loss)

{

	union hpd_irq_data hpd_irq_dpcd_data = {{{{0}}}};

	union device_service_irq device_service_clear = { { 0 } };

	enum dc_status result;



	bool status = false;



	if (out_link_loss)

		*out_link_loss = false;

	/* For use cases related to down stream connection status change,

	 * PSR and device auto test, refer to function handle_sst_hpd_irq

	 * in DAL2.1*/
@@ -2076,6 +2080,8 @@ bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd 
			true, LINK_TRAINING_ATTEMPTS);



		status = false;

		if (out_link_loss)

			*out_link_loss = true;

	}



	if (link->type == dc_connection_active_dongle &&

drivers/gpu/drm/amd/display/dc/dc_link.h

+1 −1
Original line number Diff line number Diff line
@@ -172,7 +172,7 @@ bool dc_link_detect(struct dc_link *dc_link, enum dc_detect_reason reason); 
 * false - no change in Downstream port status. No further action required

 * from DM. */

bool dc_link_handle_hpd_rx_irq(struct dc_link *dc_link,

		union hpd_irq_data *hpd_irq_dpcd_data);

		union hpd_irq_data *hpd_irq_dpcd_data, bool *out_link_loss);



struct dc_sink_init_data;