display/amdgpu_dm/amdgpu_dm_mst_types.c

196 static bool validate_dsc_caps_on_connector(struct amdgpu_dm_connector *aconnector)
198 	struct dc_sink *dc_sink = aconnector->dc_sink;
199 	struct drm_dp_mst_port *port = aconnector->port;
202 	aconnector->dsc_aux = drm_dp_mst_dsc_aux_for_port(port);
204 	if (!aconnector->dsc_aux)
207 	if (drm_dp_dpcd_read(aconnector->dsc_aux, DP_DSC_SUPPORT, dsc_caps, 16) < 0)
210 	if (!dc_dsc_parse_dsc_dpcd(aconnector->dc_link->ctx->dc,
221 	struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
224 	if (!aconnector)
227 	if (!aconnector->edid) {
229 		edid = drm_dp_mst_get_edid(connector, &aconnector->mst_port->mst_mgr, aconnector->port);
233 				&aconnector->base,
238 		aconnector->edid = edid;
241 	if (aconnector->dc_sink && aconnector->dc_sink->sink_signal == SIGNAL_TYPE_VIRTUAL) {
242 		dc_sink_release(aconnector->dc_sink);
243 		aconnector->dc_sink = NULL;
246 	if (!aconnector->dc_sink) {
249 				.link = aconnector->dc_link,
252 			aconnector->dc_link,
253 			(uint8_t *)aconnector->edid,
254 			(aconnector->edid->extensions + 1) * EDID_LENGTH,
257 		dc_sink->priv = aconnector;
259 		aconnector->dc_sink = dc_sink;
261 		if (aconnector->dc_sink) {
263 					connector, aconnector->edid);
266 			if (!validate_dsc_caps_on_connector(aconnector))
267 				memset(&aconnector->dc_sink->sink_dsc_caps,
268 				       0, sizeof(aconnector->dc_sink->sink_dsc_caps));
274 					&aconnector->base, aconnector->edid);
276 	ret = drm_add_edid_modes(connector, aconnector->edid);
292 	struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
293 	struct amdgpu_dm_connector *master = aconnector->mst_port;
296 				      aconnector->port);
306 	struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
311 	mst_port = aconnector->port;
312 	mst_mgr = &aconnector->mst_port->mst_mgr;
383 	struct amdgpu_dm_connector *aconnector;
386 	aconnector = kzalloc(sizeof(*aconnector), GFP_KERNEL);
387 	if (!aconnector)
390 	connector = &aconnector->base;
391 	aconnector->port = port;
392 	aconnector->mst_port = master;
399 		kfree(aconnector);
406 		aconnector,
411 	aconnector->mst_encoder = dm_dp_create_fake_mst_encoder(master);
412 	drm_connector_attach_encoder(&aconnector->base,
413 				     &aconnector->mst_encoder->base);
433 		 aconnector, connector->base.id, aconnector->mst_port);
448 	struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
451 		 aconnector, connector->base.id, aconnector->mst_port);
453 	if (aconnector->dc_sink) {
455 		dc_link_remove_remote_sink(aconnector->dc_link,
456 					   aconnector->dc_sink);
457 		dc_sink_release(aconnector->dc_sink);
458 		aconnector->dc_sink = NULL;
487 				       struct amdgpu_dm_connector *aconnector)
489 	aconnector->dm_dp_aux.aux.name = "dmdc";
490 	aconnector->dm_dp_aux.aux.dev = aconnector->base.kdev;
491 	aconnector->dm_dp_aux.aux.transfer = dm_dp_aux_transfer;
492 	aconnector->dm_dp_aux.ddc_service = aconnector->dc_link->ddc;
494 	drm_dp_aux_register(&aconnector->dm_dp_aux.aux);
495 	drm_dp_cec_register_connector(&aconnector->dm_dp_aux.aux,
496 				      &aconnector->base);
498 	if (aconnector->base.connector_type == DRM_MODE_CONNECTOR_eDP)
501 	aconnector->mst_mgr.cbs = &dm_mst_cbs;
503 		&aconnector->mst_mgr,
505 		&aconnector->dm_dp_aux.aux,
508 		aconnector->connector_id);
753 	struct amdgpu_dm_connector *aconnector;
771 		aconnector = (struct amdgpu_dm_connector *)stream->dm_stream_context;
772 		params[count].port = aconnector->port;
846 	struct amdgpu_dm_connector *aconnector;
857 		aconnector = (struct amdgpu_dm_connector *)stream->dm_stream_context;
859 		if (!aconnector || !aconnector->dc_sink)
862 		if (!aconnector->dc_sink->sink_dsc_caps.dsc_dec_caps.is_dsc_supported)
868 		mutex_lock(&aconnector->mst_mgr.lock);
870 			mutex_unlock(&aconnector->mst_mgr.lock);
873 		mutex_unlock(&aconnector->mst_mgr.lock);