kernel/drivers/gpu/drm/amd/display/dc/dce/dmub_outbox.c
2024-07-22 17:22:30 +08:00

52 lines
2.0 KiB
C

/*
* 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
*/
#include "dmub_outbox.h"
#include "dc_dmub_srv.h"
#include "dmub/inc/dmub_cmd.h"
/**
* dmub_enable_outbox_notification - Sends inbox cmd to dmub to enable outbox1
* messages with interrupt. Dmub sends outbox1
* message and triggers outbox1 interrupt.
* @dc: dc structure
*/
void dmub_enable_outbox_notification(struct dc *dc)
{
union dmub_rb_cmd cmd;
struct dc_context *dc_ctx = dc->ctx;
memset(&cmd, 0x0, sizeof(cmd));
cmd.outbox1_enable.header.type = DMUB_CMD__OUTBOX1_ENABLE;
cmd.outbox1_enable.header.sub_type = 0;
cmd.outbox1_enable.header.payload_bytes =
sizeof(cmd.outbox1_enable) -
sizeof(cmd.outbox1_enable.header);
cmd.outbox1_enable.enable = true;
dc_dmub_srv_cmd_queue(dc_ctx->dmub_srv, &cmd);
dc_dmub_srv_cmd_execute(dc_ctx->dmub_srv);
dc_dmub_srv_wait_idle(dc_ctx->dmub_srv);
}