/* * Copyright 2020 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: AMD
*/
/** * DOC: DC STAT Interface * * These interfaces are called without acquiring DAL and DC locks. * Hence, there is limitations on whese interfaces can access. Only * variables exclusively defined for these interfaces can be modified.
*/
/** * dc_stat_get_dmub_notification * * Calls dmub layer to retrieve dmub notification * * @dc: dc structure * @notify: dmub notification structure * * Returns * None
*/ void dc_stat_get_dmub_notification(conststruct dc *dc, struct dmub_notification *notify)
{ /** * This function is called without dal and dc locks, so * we shall not modify any dc, dc_dmub_srv or dmub variables * except variables exclusively accessed by this function
*/ struct dmub_srv *dmub = dc->ctx->dmub_srv->dmub; enum dmub_status status;
status = dmub_srv_stat_get_notification(dmub, notify);
ASSERT(status == DMUB_STATUS_OK);
/* For HPD/HPD RX, convert dpia port index into link index */ if (notify->type == DMUB_NOTIFICATION_HPD ||
notify->type == DMUB_NOTIFICATION_HPD_IRQ ||
notify->type == DMUB_NOTIFICATION_AUX_REPLY ||
notify->type == DMUB_NOTIFICATION_DPIA_NOTIFICATION ||
notify->type == DMUB_NOTIFICATION_SET_CONFIG_REPLY) {
notify->link_index =
get_link_index_from_dpia_port_index(dc, notify->link_index);
}
}
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