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/*
* Copyright 2018 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.
*
*/
#include "hwmgr.h"
#include "vega20_hwmgr.h"
#include "vega20_powertune.h"
#include "vega20_smumgr.h"
#include "vega20_ppsmc.h"
#include "vega20_inc.h"
#include "pp_debug.h"
int vega20_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n)
{
struct vega20_hwmgr *data =
(struct vega20_hwmgr *)(hwmgr->backend);
if (data->smu_features[GNLD_PPT].enabled)
return smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetPptLimit, n,
NULL);
return 0;
}
int vega20_validate_power_level_request(struct pp_hwmgr *hwmgr,
uint32_t tdp_percentage_adjustment, uint32_t tdp_absolute_value_adjustment)
{
return (tdp_percentage_adjustment > hwmgr->platform_descriptor.TDPLimit) ? -1 : 0;
}
static int vega20_set_overdrive_target_percentage(struct pp_hwmgr *hwmgr,
uint32_t adjust_percent)
{
return smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_OverDriveSetPercentage, adjust_percent,
NULL);
}
int vega20_power_control_set_level(struct pp_hwmgr *hwmgr)
{
int adjust_percent, result = 0;
if (PP_CAP(PHM_PlatformCaps_PowerContainment)) {
adjust_percent =
hwmgr->platform_descriptor.TDPAdjustmentPolarity ?
hwmgr->platform_descriptor.TDPAdjustment :
(-1 * hwmgr->platform_descriptor.TDPAdjustment);
result = vega20_set_overdrive_target_percentage(hwmgr,
(uint32_t)adjust_percent);
}
return result;
}
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