summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_powertune.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/fiji_powertune.c')
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/fiji_powertune.c553
1 files changed, 553 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_powertune.c
new file mode 100644
index 000000000000..6efcb2bac45f
--- /dev/null
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_powertune.c
@@ -0,0 +1,553 @@
+/*
+ * 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 "fiji_hwmgr.h"
+#include "fiji_powertune.h"
+#include "fiji_smumgr.h"
+#include "smu73_discrete.h"
+#include "pp_debug.h"
+
+#define VOLTAGE_SCALE 4
+#define POWERTUNE_DEFAULT_SET_MAX 1
+
+struct fiji_pt_defaults fiji_power_tune_data_set_array[POWERTUNE_DEFAULT_SET_MAX] = {
+ /*sviLoadLIneEn, SviLoadLineVddC, TDC_VDDC_ThrottleReleaseLimitPerc */
+ {1, 0xF, 0xFD,
+ /* TDC_MAWt, TdcWaterfallCtl, DTEAmbientTempBase */
+ 0x19, 5, 45}
+};
+
+void fiji_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr)
+{
+ struct fiji_hwmgr *fiji_hwmgr = (struct fiji_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)
+ fiji_hwmgr->power_tune_defaults =
+ &fiji_power_tune_data_set_array
+ [table_info->cac_dtp_table->usPowerTuneDataSetID - 1];
+ else
+ fiji_hwmgr->power_tune_defaults = &fiji_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);
+
+ fiji_hwmgr->dte_tj_offset = tmp;
+
+ if (!tmp) {
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_PowerContainment);
+
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_CAC);
+
+ fiji_hwmgr->fast_watermark_threshold = 100;
+
+ tmp = 1;
+ fiji_hwmgr->enable_dte_feature = tmp ? false : true;
+ fiji_hwmgr->enable_tdc_limit_feature = tmp ? true : false;
+ fiji_hwmgr->enable_pkg_pwr_tracking_feature = tmp ? true : false;
+ }
+}
+
+/* PPGen has the gain setting generated in x * 100 unit
+ * This function is to convert the unit to x * 4096(0x1000) unit.
+ * This is the unit expected by SMC firmware
+ */
+static uint16_t scale_fan_gain_settings(uint16_t raw_setting)
+{
+ uint32_t tmp;
+ tmp = raw_setting * 4096 / 100;
+ return (uint16_t)tmp;
+}
+
+static void get_scl_sda_value(uint8_t line, uint8_t *scl, uint8_t* sda)
+{
+ switch (line) {
+ case Fiji_I2CLineID_DDC1 :
+ *scl = Fiji_I2C_DDC1CLK;
+ *sda = Fiji_I2C_DDC1DATA;
+ break;
+ case Fiji_I2CLineID_DDC2 :
+ *scl = Fiji_I2C_DDC2CLK;
+ *sda = Fiji_I2C_DDC2DATA;
+ break;
+ case Fiji_I2CLineID_DDC3 :
+ *scl = Fiji_I2C_DDC3CLK;
+ *sda = Fiji_I2C_DDC3DATA;
+ break;
+ case Fiji_I2CLineID_DDC4 :
+ *scl = Fiji_I2C_DDC4CLK;
+ *sda = Fiji_I2C_DDC4DATA;
+ break;
+ case Fiji_I2CLineID_DDC5 :
+ *scl = Fiji_I2C_DDC5CLK;
+ *sda = Fiji_I2C_DDC5DATA;
+ break;
+ case Fiji_I2CLineID_DDC6 :
+ *scl = Fiji_I2C_DDC6CLK;
+ *sda = Fiji_I2C_DDC6DATA;
+ break;
+ case Fiji_I2CLineID_SCLSDA :
+ *scl = Fiji_I2C_SCL;
+ *sda = Fiji_I2C_SDA;
+ break;
+ case Fiji_I2CLineID_DDCVGA :
+ *scl = Fiji_I2C_DDCVGACLK;
+ *sda = Fiji_I2C_DDCVGADATA;
+ break;
+ default:
+ *scl = 0;
+ *sda = 0;
+ break;
+ }
+}
+
+int fiji_populate_bapm_parameters_in_dpm_table(struct pp_hwmgr *hwmgr)
+{
+ struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
+ struct fiji_pt_defaults *defaults = data->power_tune_defaults;
+ SMU73_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;
+ struct pp_advance_fan_control_parameters *fan_table=
+ &hwmgr->thermal_controller.advanceFanControlParameters;
+ uint8_t uc_scl, uc_sda;
+
+ /* 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 * 128));
+ dpm_table->TargetTdp = PP_HOST_TO_SMC_US(
+ (uint16_t)(cac_dtp_table->usTDP * 128));
+
+ 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->DTEAmbientTempBase;
+
+ /* The following are for new Fiji Multi-input fan/thermal control */
+ dpm_table->TemperatureLimitEdge = PP_HOST_TO_SMC_US(
+ cac_dtp_table->usTargetOperatingTemp * 256);
+ dpm_table->TemperatureLimitHotspot = PP_HOST_TO_SMC_US(
+ cac_dtp_table->usTemperatureLimitHotspot * 256);
+ dpm_table->TemperatureLimitLiquid1 = PP_HOST_TO_SMC_US(
+ cac_dtp_table->usTemperatureLimitLiquid1 * 256);
+ dpm_table->TemperatureLimitLiquid2 = PP_HOST_TO_SMC_US(
+ cac_dtp_table->usTemperatureLimitLiquid2 * 256);
+ dpm_table->TemperatureLimitVrVddc = PP_HOST_TO_SMC_US(
+ cac_dtp_table->usTemperatureLimitVrVddc * 256);
+ dpm_table->TemperatureLimitVrMvdd = PP_HOST_TO_SMC_US(
+ cac_dtp_table->usTemperatureLimitVrMvdd * 256);
+ dpm_table->TemperatureLimitPlx = PP_HOST_TO_SMC_US(
+ cac_dtp_table->usTemperatureLimitPlx * 256);
+
+ dpm_table->FanGainEdge = PP_HOST_TO_SMC_US(
+ scale_fan_gain_settings(fan_table->usFanGainEdge));
+ dpm_table->FanGainHotspot = PP_HOST_TO_SMC_US(
+ scale_fan_gain_settings(fan_table->usFanGainHotspot));
+ dpm_table->FanGainLiquid = PP_HOST_TO_SMC_US(
+ scale_fan_gain_settings(fan_table->usFanGainLiquid));
+ dpm_table->FanGainVrVddc = PP_HOST_TO_SMC_US(
+ scale_fan_gain_settings(fan_table->usFanGainVrVddc));
+ dpm_table->FanGainVrMvdd = PP_HOST_TO_SMC_US(
+ scale_fan_gain_settings(fan_table->usFanGainVrMvdd));
+ dpm_table->FanGainPlx = PP_HOST_TO_SMC_US(
+ scale_fan_gain_settings(fan_table->usFanGainPlx));
+ dpm_table->FanGainHbm = PP_HOST_TO_SMC_US(
+ scale_fan_gain_settings(fan_table->usFanGainHbm));
+
+ dpm_table->Liquid1_I2C_address = cac_dtp_table->ucLiquid1_I2C_address;
+ dpm_table->Liquid2_I2C_address = cac_dtp_table->ucLiquid2_I2C_address;
+ dpm_table->Vr_I2C_address = cac_dtp_table->ucVr_I2C_address;
+ dpm_table->Plx_I2C_address = cac_dtp_table->ucPlx_I2C_address;
+
+ get_scl_sda_value(cac_dtp_table->ucLiquid_I2C_Line, &uc_scl, &uc_sda);
+ dpm_table->Liquid_I2C_LineSCL = uc_scl;
+ dpm_table->Liquid_I2C_LineSDA = uc_sda;
+
+ get_scl_sda_value(cac_dtp_table->ucVr_I2C_Line, &uc_scl, &uc_sda);
+ dpm_table->Vr_I2C_LineSCL = uc_scl;
+ dpm_table->Vr_I2C_LineSDA = uc_sda;
+
+ get_scl_sda_value(cac_dtp_table->ucPlx_I2C_Line, &uc_scl, &uc_sda);
+ dpm_table->Plx_I2C_LineSCL = uc_scl;
+ dpm_table->Plx_I2C_LineSDA = uc_sda;
+
+ return 0;
+}
+
+static int fiji_populate_svi_load_line(struct pp_hwmgr *hwmgr)
+{
+ struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
+ struct fiji_pt_defaults *defaults = data->power_tune_defaults;
+
+ data->power_tune_table.SviLoadLineEn = defaults->SviLoadLineEn;
+ data->power_tune_table.SviLoadLineVddC = defaults->SviLoadLineVddC;
+ data->power_tune_table.SviLoadLineTrimVddC = 3;
+ data->power_tune_table.SviLoadLineOffsetVddC = 0;
+
+ return 0;
+}
+
+static int fiji_populate_tdc_limit(struct pp_hwmgr *hwmgr)
+{
+ uint16_t tdc_limit;
+ struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *table_info =
+ (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ struct fiji_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 * 128);
+ 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_ThrottleReleaseLimitPerc;
+ data->power_tune_table.TDC_MAWt = defaults->TDC_MAWt;
+
+ return 0;
+}
+
+static int fiji_populate_dw8(struct pp_hwmgr *hwmgr, uint32_t fuse_table_offset)
+{
+ struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
+ struct fiji_pt_defaults *defaults = data->power_tune_defaults;
+ uint32_t temp;
+
+ if (fiji_read_smc_sram_dword(hwmgr->smumgr,
+ fuse_table_offset +
+ offsetof(SMU73_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->TdcWaterfallCtl;
+ data->power_tune_table.LPMLTemperatureMin =
+ (uint8_t)((temp >> 16) & 0xff);
+ data->power_tune_table.LPMLTemperatureMax =
+ (uint8_t)((temp >> 8) & 0xff);
+ data->power_tune_table.Reserved = (uint8_t)(temp & 0xff);
+ }
+ return 0;
+}
+
+static int fiji_populate_temperature_scaler(struct pp_hwmgr *hwmgr)
+{
+ int i;
+ struct fiji_hwmgr *data = (struct fiji_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 fiji_populate_fuzzy_fan(struct pp_hwmgr *hwmgr)
+{
+ struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
+
+ if( (hwmgr->thermal_controller.advanceFanControlParameters.
+ usFanOutputSensitivity & (1 << 15)) ||
+ 0 == hwmgr->thermal_controller.advanceFanControlParameters.
+ usFanOutputSensitivity )
+ 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 fiji_populate_gnb_lpml(struct pp_hwmgr *hwmgr)
+{
+ int i;
+ struct fiji_hwmgr *data = (struct fiji_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 fiji_min_max_vgnb_lpml_id_from_bapm_vddc(struct pp_hwmgr *hwmgr)
+{
+ /* int i, min, max;
+ struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
+ uint8_t * pHiVID = data->power_tune_table.BapmVddCVidHiSidd;
+ uint8_t * pLoVID = data->power_tune_table.BapmVddCVidLoSidd;
+
+ min = max = pHiVID[0];
+ for (i = 0; i < 8; i++) {
+ if (0 != pHiVID[i]) {
+ if (min > pHiVID[i])
+ min = pHiVID[i];
+ if (max < pHiVID[i])
+ max = pHiVID[i];
+ }
+
+ if (0 != pLoVID[i]) {
+ if (min > pLoVID[i])
+ min = pLoVID[i];
+ if (max < pLoVID[i])
+ max = pLoVID[i];
+ }
+ }
+
+ PP_ASSERT_WITH_CODE((0 != min) && (0 != max), "BapmVddcVidSidd table does not exist!", return int_Failed);
+ data->power_tune_table.GnbLPMLMaxVid = (uint8_t)max;
+ data->power_tune_table.GnbLPMLMinVid = (uint8_t)min;
+*/
+ return 0;
+}
+
+static int fiji_populate_bapm_vddc_base_leakage_sidd(struct pp_hwmgr *hwmgr)
+{
+ struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *table_info =
+ (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ uint16_t HiSidd = data->power_tune_table.BapmVddCBaseLeakageHiSidd;
+ uint16_t LoSidd = data->power_tune_table.BapmVddCBaseLeakageLoSidd;
+ struct phm_cac_tdp_table *cac_table = table_info->cac_dtp_table;
+
+ HiSidd = (uint16_t)(cac_table->usHighCACLeakage / 100 * 256);
+ LoSidd = (uint16_t)(cac_table->usLowCACLeakage / 100 * 256);
+
+ data->power_tune_table.BapmVddCBaseLeakageHiSidd =
+ CONVERT_FROM_HOST_TO_SMC_US(HiSidd);
+ data->power_tune_table.BapmVddCBaseLeakageLoSidd =
+ CONVERT_FROM_HOST_TO_SMC_US(LoSidd);
+
+ return 0;
+}
+
+int fiji_populate_pm_fuses(struct pp_hwmgr *hwmgr)
+{
+ struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
+ uint32_t pm_fuse_table_offset;
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_PowerContainment)) {
+ if (fiji_read_smc_sram_dword(hwmgr->smumgr,
+ SMU7_FIRMWARE_HEADER_LOCATION +
+ offsetof(SMU73_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 (fiji_populate_svi_load_line(hwmgr))
+ PP_ASSERT_WITH_CODE(false,
+ "Attempt to populate SviLoadLine Failed!",
+ return -EINVAL);
+ /* DW7 */
+ if (fiji_populate_tdc_limit(hwmgr))
+ PP_ASSERT_WITH_CODE(false,
+ "Attempt to populate TDCLimit Failed!", return -EINVAL);
+ /* DW8 */
+ if (fiji_populate_dw8(hwmgr, pm_fuse_table_offset))
+ PP_ASSERT_WITH_CODE(false,
+ "Attempt to populate TdcWaterfallCtl, "
+ "LPMLTemperature Min and Max Failed!",
+ return -EINVAL);
+
+ /* DW9-DW12 */
+ if (0 != fiji_populate_temperature_scaler(hwmgr))
+ PP_ASSERT_WITH_CODE(false,
+ "Attempt to populate LPMLTemperatureScaler Failed!",
+ return -EINVAL);
+
+ /* DW13-DW14 */
+ if(fiji_populate_fuzzy_fan(hwmgr))
+ PP_ASSERT_WITH_CODE(false,
+ "Attempt to populate Fuzzy Fan Control parameters Failed!",
+ return -EINVAL);
+
+ /* DW15-DW18 */
+ if (fiji_populate_gnb_lpml(hwmgr))
+ PP_ASSERT_WITH_CODE(false,
+ "Attempt to populate GnbLPML Failed!",
+ return -EINVAL);
+
+ /* DW19 */
+ if (fiji_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 (fiji_populate_bapm_vddc_base_leakage_sidd(hwmgr))
+ PP_ASSERT_WITH_CODE(false,
+ "Attempt to populate BapmVddCBaseLeakage Hi and Lo "
+ "Sidd Failed!", return -EINVAL);
+
+ if (fiji_copy_bytes_to_smc(hwmgr->smumgr, pm_fuse_table_offset,
+ (uint8_t *)&data->power_tune_table,
+ sizeof(struct SMU73_Discrete_PmFuses), data->sram_end))
+ PP_ASSERT_WITH_CODE(false,
+ "Attempt to download PmFuseTable Failed!",
+ return -EINVAL);
+ }
+ return 0;
+}
+
+int fiji_enable_smc_cac(struct pp_hwmgr *hwmgr)
+{
+ struct fiji_hwmgr *data = (struct fiji_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((0 == smc_result),
+ "Failed to enable CAC in SMC.", result = -1);
+
+ data->cac_enabled = (0 == smc_result) ? true : false;
+ }
+ return result;
+}
+
+int fiji_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n)
+{
+ struct fiji_hwmgr *data = (struct fiji_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 fiji_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 fiji_enable_power_containment(struct pp_hwmgr *hwmgr)
+{
+ struct fiji_hwmgr *data = (struct fiji_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((0 == smc_result),
+ "Failed to enable DTE in SMC.", result = -1;);
+ if (0 == smc_result)
+ 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((0 == smc_result),
+ "Failed to enable TDCLimit in SMC.", result = -1;);
+ if (0 == smc_result)
+ 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((0 == smc_result),
+ "Failed to enable PkgPwrTracking in SMC.", result = -1;);
+ if (0 == smc_result) {
+ 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 (fiji_set_power_limit(hwmgr, default_limit))
+ printk(KERN_ERR "Failed to set Default Power Limit in SMC!");
+ }
+ }
+ }
+ return result;
+}
+
+int fiji_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 = fiji_set_overdriver_target_tdp(hwmgr, (uint32_t)target_tdp);
+ }
+
+ return result;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-19 22:52:43 +0000