diff options
Diffstat (limited to 'drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_powertune.c')
-rw-r--r-- | drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_powertune.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_powertune.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_powertune.c new file mode 100644 index 000000000000..d7cc3d2d9e17 --- /dev/null +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_powertune.c @@ -0,0 +1,72 @@ +/* + * 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; +} |