[PATCH v2] drm/amd/powerplay: enable power containment features for tonga.
Deucher, Alexander
Alexander.Deucher at amd.com
Wed Aug 17 13:54:18 UTC 2016
> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Rex Zhu
> Sent: Wednesday, August 17, 2016 6:06 AM
> To: amd-gfx at lists.freedesktop.org
> Cc: Zhu, Rex
> Subject: [PATCH v2] drm/amd/powerplay: enable power containment
> features for tonga.
>
> v2: fix build error introduced when fix code style problems.
>
> Change-Id: Ifa9bdfd92fe060349cfbf7c10cd75d30d8acb95d
> Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
> ---
> drivers/gpu/drm/amd/powerplay/hwmgr/Makefile | 2 +-
> drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c | 24 +-
> drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h | 11 +-
> .../gpu/drm/amd/powerplay/hwmgr/tonga_powertune.c | 498
> +++++++++++++++++++++
> .../gpu/drm/amd/powerplay/hwmgr/tonga_powertune.h | 22 +-
> 5 files changed, 548 insertions(+), 9 deletions(-)
> create mode 100644
> drivers/gpu/drm/amd/powerplay/hwmgr/tonga_powertune.c
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile
> b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile
> index f7ce4cb..80741cc 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile
> @@ -4,7 +4,7 @@
>
> HARDWARE_MGR = hwmgr.o processpptables.o functiontables.o \
> hardwaremanager.o pp_acpi.o cz_hwmgr.o \
> - cz_clockpowergating.o \
> + cz_clockpowergating.o tonga_powertune.o\
> tonga_processpptables.o ppatomctrl.o \
> tonga_hwmgr.o pppcielanes.o tonga_thermal.o\
> fiji_powertune.o fiji_hwmgr.o tonga_clockpowergating.o \
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c
> b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c
> index 072b3b6..f2793e8 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c
> @@ -302,6 +302,8 @@ void tonga_initialize_dpm_defaults(struct pp_hwmgr
> *hwmgr)
> phm_cap_set(hwmgr->platform_descriptor.platformCaps,
> PHM_PlatformCaps_DisableMemoryTransition);
>
> + tonga_initialize_power_tune_defaults(hwmgr);
> +
> data->mclk_strobe_mode_threshold = 40000;
> data->mclk_stutter_mode_threshold = 30000;
> data->mclk_edc_enable_threshold = 40000;
> @@ -2477,7 +2479,7 @@ static int
> tonga_populate_single_graphic_level(struct pp_hwmgr *hwmgr, uint32_t
> graphic_level->VoltageDownHyst = 0;
> graphic_level->PowerThrottle = 0;
>
> - threshold = engine_clock * data->fast_watemark_threshold / 100;
> + threshold = engine_clock * data->fast_watermark_threshold / 100;
> /*
> *get the DAL clock. do it in funture.
> PECI_GetMinClockSettings(hwmgr->peci, &minClocks);
> @@ -2980,6 +2982,10 @@ int tonga_init_smc_table(struct pp_hwmgr
> *hwmgr)
> PP_ASSERT_WITH_CODE(0 == result,
> "Failed to initialize Boot Level!", return result;);
>
> + result = tonga_populate_bapm_parameters_in_dpm_table(hwmgr);
> + PP_ASSERT_WITH_CODE(result == 0,
> + "Failed to populate BAPM Parameters!", return
> result);
> +
> if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
> PHM_PlatformCaps_ClockStretcher)) {
> result =
> tonga_populate_clock_stretcher_data_table(hwmgr);
> @@ -4368,6 +4374,10 @@ int tonga_enable_dpm_tasks(struct pp_hwmgr
> *hwmgr)
> PP_ASSERT_WITH_CODE((0 == tmp_result),
> "Failed to initialize ARB table index!", result = tmp_result);
>
> + tmp_result = tonga_populate_pm_fuses(hwmgr);
> + PP_ASSERT_WITH_CODE((tmp_result == 0),
> + "Failed to populate PM fuses!", result = tmp_result);
> +
> tmp_result = tonga_populate_initial_mc_reg_table(hwmgr);
> PP_ASSERT_WITH_CODE((0 == tmp_result),
> "Failed to populate initialize MC Reg table!", result =
> tmp_result);
> @@ -4386,6 +4396,18 @@ int tonga_enable_dpm_tasks(struct pp_hwmgr
> *hwmgr)
> PP_ASSERT_WITH_CODE((0 == tmp_result),
> "Failed to start DPM!", result = tmp_result);
>
> + tmp_result = tonga_enable_smc_cac(hwmgr);
> + PP_ASSERT_WITH_CODE((tmp_result == 0),
> + "Failed to enable SMC CAC!", result = tmp_result);
> +
> + tmp_result = tonga_enable_power_containment(hwmgr);
> + PP_ASSERT_WITH_CODE((tmp_result == 0),
> + "Failed to enable power containment!", result =
> tmp_result);
> +
> + tmp_result = tonga_power_control_set_level(hwmgr);
> + PP_ASSERT_WITH_CODE((tmp_result == 0),
> + "Failed to power control set level!", result =
> tmp_result);
> +
> return result;
> }
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h
> b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h
> index 3961884..fcad942 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h
> @@ -300,6 +300,7 @@ struct tonga_hwmgr {
> bool dll_defaule_on;
> bool performance_request_registered;
>
> +
> /* ----------------- Low Power Features ---------------------*/
> phw_tonga_bacos bacos;
> phw_tonga_ulv_parm ulv;
> @@ -314,10 +315,14 @@ struct tonga_hwmgr {
> bool enable_tdc_limit_feature;
> bool enable_pkg_pwr_tracking_feature;
> bool disable_uvd_power_tune_feature;
> - phw_tonga_pt_defaults *power_tune_defaults;
> + struct tonga_pt_defaults *power_tune_defaults;
> SMU72_Discrete_PmFuses power_tune_table;
> - uint32_t ul_dte_tj_offset; /* Fudge factor in DPM
> table to correct HW DTE errors */
> - uint32_t fast_watemark_threshold; /* use fast
> watermark if clock is equal or above this. In percentage of the target high
> sclk. */
> + uint32_t dte_tj_offset; /* Fudge factor in DPM
> table to correct HW DTE errors */
> + uint32_t fast_watermark_threshold; /* use fast
> watermark if clock is equal or above this. In percentage of the target high
> sclk. */
> +
> +
> + bool enable_dte_feature;
> +
>
> /* ----------------- Phase Shedding ---------------------*/
> bool vddc_phase_shed_control;
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_powertune.c
> b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_powertune.c
> new file mode 100644
> index 0000000..9496ade
> --- /dev/null
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_powertune.c
> @@ -0,0 +1,498 @@
> +/*
> + * Copyright 2015 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 "smumgr.h"
> +#include "tonga_hwmgr.h"
> +#include "tonga_powertune.h"
> +#include "tonga_smumgr.h"
> +#include "smu72_discrete.h"
> +#include "pp_debug.h"
> +#include "tonga_ppsmc.h"
> +
> +#define VOLTAGE_SCALE 4
> +#define POWERTUNE_DEFAULT_SET_MAX 1
> +
> +struct tonga_pt_defaults
> tonga_power_tune_data_set_array[POWERTUNE_DEFAULT_SET_MAX] = {
> +/* sviLoadLIneEn, SviLoadLineVddC, TDC_VDDC_ThrottleReleaseLimitPerc,
> TDC_MAWt, TdcWaterfallCtl, DTEAmbientTempBase, DisplayCac,
> BAPM_TEMP_GRADIENT */
> + {1, 0xF, 0xFD, 0x19, 5, 45,
> 0, 0xB0000,
> + {0x79, 0x253, 0x25D, 0xAE, 0x72, 0x80, 0x83, 0x86, 0x6F, 0xC8,
> 0xC9, 0xC9, 0x2F, 0x4D, 0x61},
> + {0x17C, 0x172, 0x180, 0x1BC, 0x1B3, 0x1BD, 0x206, 0x200, 0x203,
> 0x25D, 0x25A, 0x255, 0x2C3, 0x2C5, 0x2B4 } },
> +};
> +
> +void tonga_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr)
> +{
> + struct tonga_hwmgr *tonga_hwmgr = (struct tonga_hwmgr
> *)(hwmgr->backend);
> + struct phm_ppt_v1_information *table_info =
> + (struct phm_ppt_v1_information *)(hwmgr-
> >pptable);
> + uint32_t tmp = 0;
> +
> + if (table_info &&
> + table_info->cac_dtp_table->usPowerTuneDataSetID
> <= POWERTUNE_DEFAULT_SET_MAX &&
> + table_info->cac_dtp_table-
> >usPowerTuneDataSetID)
> + tonga_hwmgr->power_tune_defaults =
> + &tonga_power_tune_data_set_array
> + [table_info->cac_dtp_table-
> >usPowerTuneDataSetID - 1];
> + else
> + tonga_hwmgr->power_tune_defaults =
> &tonga_power_tune_data_set_array[0];
> +
> + /* Assume disabled */
> + phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
> + PHM_PlatformCaps_PowerContainment);
> + phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
> + PHM_PlatformCaps_CAC);
> + phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
> + PHM_PlatformCaps_SQRamping);
> + phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
> + PHM_PlatformCaps_DBRamping);
> + phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
> + PHM_PlatformCaps_TDRamping);
> + phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
> + PHM_PlatformCaps_TCPRamping);
> +
> + tonga_hwmgr->dte_tj_offset = tmp;
> +
> + if (!tmp) {
> + phm_cap_set(hwmgr->platform_descriptor.platformCaps,
> + PHM_PlatformCaps_CAC);
> +
> + tonga_hwmgr->fast_watermark_threshold = 100;
> +
> + if (phm_cap_enabled(hwmgr-
> >platform_descriptor.platformCaps,
> +
> PHM_PlatformCaps_PowerContainment)) {
> + tmp = 1;
> + tonga_hwmgr->enable_dte_feature = tmp ? false :
> true;
> + tonga_hwmgr->enable_tdc_limit_feature = tmp ?
> true : false;
> + tonga_hwmgr->enable_pkg_pwr_tracking_feature =
> tmp ? true : false;
> + }
> + }
> +}
> +
> +
> +int tonga_populate_bapm_parameters_in_dpm_table(struct pp_hwmgr
> *hwmgr)
> +{
> + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr-
> >backend);
> + struct tonga_pt_defaults *defaults = data->power_tune_defaults;
> + SMU72_Discrete_DpmTable *dpm_table = &(data-
> >smc_state_table);
> + struct phm_ppt_v1_information *table_info =
> + (struct phm_ppt_v1_information *)(hwmgr-
> >pptable);
> + struct phm_cac_tdp_table *cac_dtp_table = table_info-
> >cac_dtp_table;
> + int i, j, k;
> + uint16_t *pdef1;
> + uint16_t *pdef2;
> +
> +
> + /* TDP number of fraction bits are changed from 8 to 7 for Fiji
> + * as requested by SMC team
> + */
> + dpm_table->DefaultTdp = PP_HOST_TO_SMC_US(
> + (uint16_t)(cac_dtp_table->usTDP * 256));
> + dpm_table->TargetTdp = PP_HOST_TO_SMC_US(
> + (uint16_t)(cac_dtp_table->usConfigurableTDP *
> 256));
> +
> + PP_ASSERT_WITH_CODE(cac_dtp_table->usTargetOperatingTemp
> <= 255,
> + "Target Operating Temp is out of Range!",
> + );
> +
> + dpm_table->GpuTjMax = (uint8_t)(cac_dtp_table-
> >usTargetOperatingTemp);
> + dpm_table->GpuTjHyst = 8;
> +
> + dpm_table->DTEAmbientTempBase = defaults-
> >dte_ambient_temp_base;
> +
> + dpm_table->BAPM_TEMP_GRADIENT =
> PP_HOST_TO_SMC_UL(defaults->bamp_temp_gradient);
> + pdef1 = defaults->bapmti_r;
> + pdef2 = defaults->bapmti_rc;
> +
> + for (i = 0; i < SMU72_DTE_ITERATIONS; i++) {
> + for (j = 0; j < SMU72_DTE_SOURCES; j++) {
> + for (k = 0; k < SMU72_DTE_SINKS; k++) {
> + dpm_table->BAPMTI_R[i][j][k] =
> PP_HOST_TO_SMC_US(*pdef1);
> + dpm_table->BAPMTI_RC[i][j][k] =
> PP_HOST_TO_SMC_US(*pdef2);
> + pdef1++;
> + pdef2++;
> + }
> + }
> + }
> +
> + return 0;
> +}
> +
> +static int tonga_populate_svi_load_line(struct pp_hwmgr *hwmgr)
> +{
> + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr-
> >backend);
> + const struct tonga_pt_defaults *defaults = data-
> >power_tune_defaults;
> +
> + data->power_tune_table.SviLoadLineEn = defaults-
> >svi_load_line_en;
> + data->power_tune_table.SviLoadLineVddC = defaults-
> >svi_load_line_vddC;
> + data->power_tune_table.SviLoadLineTrimVddC = 3;
> + data->power_tune_table.SviLoadLineOffsetVddC = 0;
> +
> + return 0;
> +}
> +
> +static int tonga_populate_tdc_limit(struct pp_hwmgr *hwmgr)
> +{
> + uint16_t tdc_limit;
> + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr-
> >backend);
> + struct phm_ppt_v1_information *table_info =
> + (struct phm_ppt_v1_information *)(hwmgr-
> >pptable);
> + const struct tonga_pt_defaults *defaults = data-
> >power_tune_defaults;
> +
> + /* TDC number of fraction bits are changed from 8 to 7
> + * for Fiji as requested by SMC team
> + */
> + tdc_limit = (uint16_t)(table_info->cac_dtp_table->usTDC * 256);
> + data->power_tune_table.TDC_VDDC_PkgLimit =
> + CONVERT_FROM_HOST_TO_SMC_US(tdc_limit);
> + data->power_tune_table.TDC_VDDC_ThrottleReleaseLimitPerc =
> + defaults->tdc_vddc_throttle_release_limit_perc;
> + data->power_tune_table.TDC_MAWt = defaults->tdc_mawt;
> +
> + return 0;
> +}
> +
> +static int tonga_populate_dw8(struct pp_hwmgr *hwmgr, uint32_t
> fuse_table_offset)
> +{
> + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr-
> >backend);
> + const struct tonga_pt_defaults *defaults = data-
> >power_tune_defaults;
> + uint32_t temp;
> +
> + if (tonga_read_smc_sram_dword(hwmgr->smumgr,
> + fuse_table_offset +
> + offsetof(SMU72_Discrete_PmFuses,
> TdcWaterfallCtl),
> + (uint32_t *)&temp, data->sram_end))
> + PP_ASSERT_WITH_CODE(false,
> + "Attempt to read PmFuses.DW6
> (SviLoadLineEn) from SMC Failed!",
> + return -EINVAL);
> + else
> + data->power_tune_table.TdcWaterfallCtl = defaults-
> >tdc_waterfall_ctl;
> +
> + return 0;
> +}
> +
> +static int tonga_populate_temperature_scaler(struct pp_hwmgr *hwmgr)
> +{
> + int i;
> + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr-
> >backend);
> +
> + /* Currently not used. Set all to zero. */
> + for (i = 0; i < 16; i++)
> + data->power_tune_table.LPMLTemperatureScaler[i] = 0;
> +
> + return 0;
> +}
> +
> +static int tonga_populate_fuzzy_fan(struct pp_hwmgr *hwmgr)
> +{
> + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr-
> >backend);
> +
> + if ((hwmgr->thermal_controller.advanceFanControlParameters.
> + usFanOutputSensitivity & (1 << 15)) ||
> + (hwmgr-
> >thermal_controller.advanceFanControlParameters.usFanOutputSensitivity
> == 0))
> + hwmgr->thermal_controller.advanceFanControlParameters.
> + usFanOutputSensitivity = hwmgr->thermal_controller.
> +
> advanceFanControlParameters.usDefaultFanOutputSensitivity;
> +
> + data->power_tune_table.FuzzyFan_PwmSetDelta =
> + PP_HOST_TO_SMC_US(hwmgr->thermal_controller.
> +
> advanceFanControlParameters.usFanOutputSensitivity);
> + return 0;
> +}
> +
> +static int tonga_populate_gnb_lpml(struct pp_hwmgr *hwmgr)
> +{
> + int i;
> + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr-
> >backend);
> +
> + /* Currently not used. Set all to zero. */
> + for (i = 0; i < 16; i++)
> + data->power_tune_table.GnbLPML[i] = 0;
> +
> + return 0;
> +}
> +
> +static int tonga_min_max_vgnb_lpml_id_from_bapm_vddc(struct
> pp_hwmgr *hwmgr)
> +{
> + return 0;
> +}
> +
> +static int tonga_populate_bapm_vddc_base_leakage_sidd(struct
> pp_hwmgr *hwmgr)
> +{
> + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr-
> >backend);
> + struct phm_ppt_v1_information *table_info =
> + (struct phm_ppt_v1_information *)(hwmgr-
> >pptable);
> + uint16_t hi_sidd = data-
> >power_tune_table.BapmVddCBaseLeakageHiSidd;
> + uint16_t lo_sidd = data-
> >power_tune_table.BapmVddCBaseLeakageLoSidd;
> + struct phm_cac_tdp_table *cac_table = table_info->cac_dtp_table;
> +
> + hi_sidd = (uint16_t)(cac_table->usHighCACLeakage / 100 * 256);
> + lo_sidd = (uint16_t)(cac_table->usLowCACLeakage / 100 * 256);
> +
> + data->power_tune_table.BapmVddCBaseLeakageHiSidd =
> + CONVERT_FROM_HOST_TO_SMC_US(hi_sidd);
> + data->power_tune_table.BapmVddCBaseLeakageLoSidd =
> + CONVERT_FROM_HOST_TO_SMC_US(lo_sidd);
> +
> + return 0;
> +}
> +
> +int tonga_populate_pm_fuses(struct pp_hwmgr *hwmgr)
> +{
> + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr-
> >backend);
> + uint32_t pm_fuse_table_offset;
> +
> + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
> + PHM_PlatformCaps_PowerContainment)) {
> + if (tonga_read_smc_sram_dword(hwmgr->smumgr,
> + SMU72_FIRMWARE_HEADER_LOCATION +
> + offsetof(SMU72_Firmware_Header,
> PmFuseTable),
> + &pm_fuse_table_offset, data->sram_end))
> + PP_ASSERT_WITH_CODE(false,
> + "Attempt to get
> pm_fuse_table_offset Failed!",
> + return -EINVAL);
> +
> + /* DW6 */
> + if (tonga_populate_svi_load_line(hwmgr))
> + PP_ASSERT_WITH_CODE(false,
> + "Attempt to populate SviLoadLine
> Failed!",
> + return -EINVAL);
> + /* DW7 */
> + if (tonga_populate_tdc_limit(hwmgr))
> + PP_ASSERT_WITH_CODE(false,
> + "Attempt to populate TDCLimit
> Failed!", return -EINVAL);
> + /* DW8 */
> + if (tonga_populate_dw8(hwmgr, pm_fuse_table_offset))
> + PP_ASSERT_WITH_CODE(false,
> + "Attempt to populate TdcWaterfallCtl
> Failed !",
> + return -EINVAL);
> +
> + /* DW9-DW12 */
> + if (tonga_populate_temperature_scaler(hwmgr) != 0)
> + PP_ASSERT_WITH_CODE(false,
> + "Attempt to populate
> LPMLTemperatureScaler Failed!",
> + return -EINVAL);
> +
> + /* DW13-DW14 */
> + if (tonga_populate_fuzzy_fan(hwmgr))
> + PP_ASSERT_WITH_CODE(false,
> + "Attempt to populate Fuzzy Fan
> Control parameters Failed!",
> + return -EINVAL);
> +
> + /* DW15-DW18 */
> + if (tonga_populate_gnb_lpml(hwmgr))
> + PP_ASSERT_WITH_CODE(false,
> + "Attempt to populate GnbLPML
> Failed!",
> + return -EINVAL);
> +
> + /* DW19 */
> + if
> (tonga_min_max_vgnb_lpml_id_from_bapm_vddc(hwmgr))
> + PP_ASSERT_WITH_CODE(false,
> + "Attempt to populate GnbLPML Min
> and Max Vid Failed!",
> + return -EINVAL);
> +
> + /* DW20 */
> + if
> (tonga_populate_bapm_vddc_base_leakage_sidd(hwmgr))
> + PP_ASSERT_WITH_CODE(false,
> + "Attempt to populate
> BapmVddCBaseLeakage Hi and Lo Sidd Failed!",
> + return -EINVAL);
> +
> + if (tonga_copy_bytes_to_smc(hwmgr->smumgr,
> pm_fuse_table_offset,
> + (uint8_t *)&data->power_tune_table,
> + sizeof(struct SMU72_Discrete_PmFuses),
> data->sram_end))
> + PP_ASSERT_WITH_CODE(false,
> + "Attempt to download PmFuseTable
> Failed!",
> + return -EINVAL);
> + }
> + return 0;
> +}
> +
> +int tonga_enable_smc_cac(struct pp_hwmgr *hwmgr)
> +{
> + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr-
> >backend);
> + int result = 0;
> +
> + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
> + PHM_PlatformCaps_CAC)) {
> + int smc_result;
> +
> + smc_result = smum_send_msg_to_smc(hwmgr->smumgr,
> + (uint16_t)(PPSMC_MSG_EnableCac));
> + PP_ASSERT_WITH_CODE((smc_result == 0),
> + "Failed to enable CAC in SMC.", result = -1);
> +
> + data->cac_enabled = (smc_result == 0) ? true : false;
> + }
> + return result;
> +}
> +
> +int tonga_disable_smc_cac(struct pp_hwmgr *hwmgr)
> +{
> + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr-
> >backend);
> + int result = 0;
> +
> + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
> + PHM_PlatformCaps_CAC) && data->cac_enabled) {
> + int smc_result = smum_send_msg_to_smc(hwmgr-
> >smumgr,
> + (uint16_t)(PPSMC_MSG_DisableCac));
> + PP_ASSERT_WITH_CODE((smc_result == 0),
> + "Failed to disable CAC in SMC.", result = -1);
> +
> + data->cac_enabled = false;
> + }
> + return result;
> +}
> +
> +int tonga_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n)
> +{
> + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr-
> >backend);
> +
> + if (data->power_containment_features &
> + POWERCONTAINMENT_FEATURE_PkgPwrLimit)
> + return smum_send_msg_to_smc_with_parameter(hwmgr-
> >smumgr,
> + PPSMC_MSG_PkgPwrSetLimit, n);
> + return 0;
> +}
> +
> +static int tonga_set_overdriver_target_tdp(struct pp_hwmgr *pHwMgr,
> uint32_t target_tdp)
> +{
> + return smum_send_msg_to_smc_with_parameter(pHwMgr-
> >smumgr,
> + PPSMC_MSG_OverDriveSetTargetTdp, target_tdp);
> +}
> +
> +int tonga_enable_power_containment(struct pp_hwmgr *hwmgr)
> +{
> + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr-
> >backend);
> + struct phm_ppt_v1_information *table_info =
> + (struct phm_ppt_v1_information *)(hwmgr-
> >pptable);
> + int smc_result;
> + int result = 0;
> +
> + data->power_containment_features = 0;
> + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
> + PHM_PlatformCaps_PowerContainment)) {
> + if (data->enable_dte_feature) {
> + smc_result = smum_send_msg_to_smc(hwmgr-
> >smumgr,
> +
> (uint16_t)(PPSMC_MSG_EnableDTE));
> + PP_ASSERT_WITH_CODE((smc_result == 0),
> + "Failed to enable DTE in SMC.", result
> = -1;);
> + if (smc_result == 0)
> + data->power_containment_features |=
> POWERCONTAINMENT_FEATURE_DTE;
> + }
> +
> + if (data->enable_tdc_limit_feature) {
> + smc_result = smum_send_msg_to_smc(hwmgr-
> >smumgr,
> +
> (uint16_t)(PPSMC_MSG_TDCLimitEnable));
> + PP_ASSERT_WITH_CODE((smc_result == 0),
> + "Failed to enable TDCLimit in SMC.",
> result = -1;);
> + if (smc_result == 0)
> + data->power_containment_features |=
> +
> POWERCONTAINMENT_FEATURE_TDCLimit;
> + }
> +
> + if (data->enable_pkg_pwr_tracking_feature) {
> + smc_result = smum_send_msg_to_smc(hwmgr-
> >smumgr,
> +
> (uint16_t)(PPSMC_MSG_PkgPwrLimitEnable));
> + PP_ASSERT_WITH_CODE((smc_result == 0),
> + "Failed to enable PkgPwrTracking in
> SMC.", result = -1;);
> + if (smc_result == 0) {
> + struct phm_cac_tdp_table *cac_table =
> + table_info->cac_dtp_table;
> + uint32_t default_limit =
> + (uint32_t)(cac_table-
> >usMaximumPowerDeliveryLimit * 256);
> +
> + data->power_containment_features |=
> +
> POWERCONTAINMENT_FEATURE_PkgPwrLimit;
> +
> + if (tonga_set_power_limit(hwmgr,
> default_limit))
> + printk(KERN_ERR "Failed to set
> Default Power Limit in SMC!");
> + }
> + }
> + }
> + return result;
> +}
> +
> +int tonga_disable_power_containment(struct pp_hwmgr *hwmgr)
> +{
> + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr-
> >backend);
> + int result = 0;
> +
> + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
> + PHM_PlatformCaps_PowerContainment) &&
> + data->power_containment_features) {
> + int smc_result;
> +
> + if (data->power_containment_features &
> + POWERCONTAINMENT_FEATURE_TDCLimit) {
> + smc_result = smum_send_msg_to_smc(hwmgr-
> >smumgr,
> +
> (uint16_t)(PPSMC_MSG_TDCLimitDisable));
> + PP_ASSERT_WITH_CODE((smc_result == 0),
> + "Failed to disable TDCLimit in SMC.",
> + result = smc_result);
> + }
> +
> + if (data->power_containment_features &
> + POWERCONTAINMENT_FEATURE_DTE) {
> + smc_result = smum_send_msg_to_smc(hwmgr-
> >smumgr,
> +
> (uint16_t)(PPSMC_MSG_DisableDTE));
> + PP_ASSERT_WITH_CODE((smc_result == 0),
> + "Failed to disable DTE in SMC.",
> + result = smc_result);
> + }
> +
> + if (data->power_containment_features &
> +
> POWERCONTAINMENT_FEATURE_PkgPwrLimit) {
> + smc_result = smum_send_msg_to_smc(hwmgr-
> >smumgr,
> +
> (uint16_t)(PPSMC_MSG_PkgPwrLimitDisable));
> + PP_ASSERT_WITH_CODE((smc_result == 0),
> + "Failed to disable PkgPwrTracking in
> SMC.",
> + result = smc_result);
> + }
> + data->power_containment_features = 0;
> + }
> +
> + return result;
> +}
> +
> +int tonga_power_control_set_level(struct pp_hwmgr *hwmgr)
> +{
> + struct phm_ppt_v1_information *table_info =
> + (struct phm_ppt_v1_information *)(hwmgr-
> >pptable);
> + struct phm_cac_tdp_table *cac_table = table_info->cac_dtp_table;
> + int adjust_percent, target_tdp;
> + int result = 0;
> +
> + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
> + PHM_PlatformCaps_PowerContainment)) {
> + /* adjustment percentage has already been validated */
> + adjust_percent = hwmgr-
> >platform_descriptor.TDPAdjustmentPolarity ?
> + hwmgr-
> >platform_descriptor.TDPAdjustment :
> + (-1 * hwmgr-
> >platform_descriptor.TDPAdjustment);
> + /* SMC requested that target_tdp to be 7 bit fraction in DPM
> table
> + * but message to be 8 bit fraction for messages
> + */
> + target_tdp = ((100 + adjust_percent) * (int)(cac_table-
> >usTDP * 256)) / 100;
> + result = tonga_set_overdriver_target_tdp(hwmgr,
> (uint32_t)target_tdp);
> + }
> +
> + return result;
> +}
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_powertune.h
> b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_powertune.h
> index 8e6670b..c8bdb92 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_powertune.h
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_powertune.h
> @@ -35,20 +35,23 @@ enum _phw_tonga_ptc_config_reg_type {
> typedef enum _phw_tonga_ptc_config_reg_type
> phw_tonga_ptc_config_reg_type;
>
> /* PowerContainment Features */
> +#define POWERCONTAINMENT_FEATURE_DTE 0x00000001
> +
> +
> +/* PowerContainment Features */
> #define POWERCONTAINMENT_FEATURE_BAPM 0x00000001
> #define POWERCONTAINMENT_FEATURE_TDCLimit 0x00000002
> #define POWERCONTAINMENT_FEATURE_PkgPwrLimit 0x00000004
>
> -struct _phw_tonga_pt_config_reg {
> +struct tonga_pt_config_reg {
> uint32_t Offset;
> uint32_t Mask;
> uint32_t Shift;
> uint32_t Value;
> phw_tonga_ptc_config_reg_type Type;
> };
> -typedef struct _phw_tonga_pt_config_reg phw_tonga_pt_config_reg;
>
> -struct _phw_tonga_pt_defaults {
> +struct tonga_pt_defaults {
> uint8_t svi_load_line_en;
> uint8_t svi_load_line_vddC;
> uint8_t tdc_vddc_throttle_release_limit_perc;
> @@ -60,7 +63,18 @@ struct _phw_tonga_pt_defaults {
> uint16_t bapmti_r[SMU72_DTE_ITERATIONS *
> SMU72_DTE_SOURCES * SMU72_DTE_SINKS];
> uint16_t bapmti_rc[SMU72_DTE_ITERATIONS *
> SMU72_DTE_SOURCES * SMU72_DTE_SINKS];
> };
> -typedef struct _phw_tonga_pt_defaults phw_tonga_pt_defaults;
> +
> +
> +
> +void tonga_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr);
> +int tonga_populate_bapm_parameters_in_dpm_table(struct pp_hwmgr
> *hwmgr);
> +int tonga_populate_pm_fuses(struct pp_hwmgr *hwmgr);
> +int tonga_enable_smc_cac(struct pp_hwmgr *hwmgr);
> +int tonga_disable_smc_cac(struct pp_hwmgr *hwmgr);
> +int tonga_enable_power_containment(struct pp_hwmgr *hwmgr);
> +int tonga_disable_power_containment(struct pp_hwmgr *hwmgr);
> +int tonga_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n);
> +int tonga_power_control_set_level(struct pp_hwmgr *hwmgr);
>
> #endif
>
> --
> 1.9.1
>
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