diff options
Diffstat (limited to 'drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c | 443 |
1 files changed, 13 insertions, 430 deletions
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c index b1b4c09c3467..8d40ed0f0e83 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c @@ -28,7 +28,6 @@ #include "ppatomctrl.h" #include "atombios.h" #include "cgs_common.h" -#include "ppevvmath.h" #define MEM_ID_MASK 0xff000000 #define MEM_ID_SHIFT 24 @@ -73,8 +72,9 @@ static int atomctrl_retrieve_ac_timing( j++; } else if ((table->mc_reg_address[i].uc_pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) { - table->mc_reg_table_entry[num_ranges].mc_data[i] = - table->mc_reg_table_entry[num_ranges].mc_data[i-1]; + if (i) + table->mc_reg_table_entry[num_ranges].mc_data[i] = + table->mc_reg_table_entry[num_ranges].mc_data[i-1]; } } num_ranges++; @@ -143,6 +143,10 @@ int atomctrl_initialize_mc_reg_table( vram_info = (ATOM_VRAM_INFO_HEADER_V2_1 *) smu_atom_get_data_table(hwmgr->adev, GetIndexIntoMasterTable(DATA, VRAM_Info), &size, &frev, &crev); + if (!vram_info) { + pr_err("Could not retrieve the VramInfo table!"); + return -EINVAL; + } if (module_index >= vram_info->ucNumOfVRAMModule) { pr_err("Invalid VramInfo table."); @@ -180,6 +184,10 @@ int atomctrl_initialize_mc_reg_table_v2_2( vram_info = (ATOM_VRAM_INFO_HEADER_V2_2 *) smu_atom_get_data_table(hwmgr->adev, GetIndexIntoMasterTable(DATA, VRAM_Info), &size, &frev, &crev); + if (!vram_info) { + pr_err("Could not retrieve the VramInfo table!"); + return -EINVAL; + } if (module_index >= vram_info->ucNumOfVRAMModule) { pr_err("Invalid VramInfo table."); @@ -676,433 +684,6 @@ bool atomctrl_get_pp_assign_pin( return bRet; } -int atomctrl_calculate_voltage_evv_on_sclk( - struct pp_hwmgr *hwmgr, - uint8_t voltage_type, - uint32_t sclk, - uint16_t virtual_voltage_Id, - uint16_t *voltage, - uint16_t dpm_level, - bool debug) -{ - ATOM_ASIC_PROFILING_INFO_V3_4 *getASICProfilingInfo; - struct amdgpu_device *adev = hwmgr->adev; - EFUSE_LINEAR_FUNC_PARAM sRO_fuse; - EFUSE_LINEAR_FUNC_PARAM sCACm_fuse; - EFUSE_LINEAR_FUNC_PARAM sCACb_fuse; - EFUSE_LOGISTIC_FUNC_PARAM sKt_Beta_fuse; - EFUSE_LOGISTIC_FUNC_PARAM sKv_m_fuse; - EFUSE_LOGISTIC_FUNC_PARAM sKv_b_fuse; - EFUSE_INPUT_PARAMETER sInput_FuseValues; - READ_EFUSE_VALUE_PARAMETER sOutput_FuseValues; - - uint32_t ul_RO_fused, ul_CACb_fused, ul_CACm_fused, ul_Kt_Beta_fused, ul_Kv_m_fused, ul_Kv_b_fused; - fInt fSM_A0, fSM_A1, fSM_A2, fSM_A3, fSM_A4, fSM_A5, fSM_A6, fSM_A7; - fInt fMargin_RO_a, fMargin_RO_b, fMargin_RO_c, fMargin_fixed, fMargin_FMAX_mean, fMargin_Plat_mean, fMargin_FMAX_sigma, fMargin_Plat_sigma, fMargin_DC_sigma; - fInt fLkg_FT, repeat; - fInt fMicro_FMAX, fMicro_CR, fSigma_FMAX, fSigma_CR, fSigma_DC, fDC_SCLK, fSquared_Sigma_DC, fSquared_Sigma_CR, fSquared_Sigma_FMAX; - fInt fRLL_LoadLine, fDerateTDP, fVDDC_base, fA_Term, fC_Term, fB_Term, fRO_DC_margin; - fInt fRO_fused, fCACm_fused, fCACb_fused, fKv_m_fused, fKv_b_fused, fKt_Beta_fused, fFT_Lkg_V0NORM; - fInt fSclk_margin, fSclk, fEVV_V; - fInt fV_min, fV_max, fT_prod, fLKG_Factor, fT_FT, fV_FT, fV_x, fTDP_Power, fTDP_Power_right, fTDP_Power_left, fTDP_Current, fV_NL; - uint32_t ul_FT_Lkg_V0NORM; - fInt fLn_MaxDivMin, fMin, fAverage, fRange; - fInt fRoots[2]; - fInt fStepSize = GetScaledFraction(625, 100000); - - int result; - - getASICProfilingInfo = (ATOM_ASIC_PROFILING_INFO_V3_4 *) - smu_atom_get_data_table(hwmgr->adev, - GetIndexIntoMasterTable(DATA, ASIC_ProfilingInfo), - NULL, NULL, NULL); - - if (!getASICProfilingInfo) - return -1; - - if (getASICProfilingInfo->asHeader.ucTableFormatRevision < 3 || - (getASICProfilingInfo->asHeader.ucTableFormatRevision == 3 && - getASICProfilingInfo->asHeader.ucTableContentRevision < 4)) - return -1; - - /*----------------------------------------------------------- - *GETTING MULTI-STEP PARAMETERS RELATED TO CURRENT DPM LEVEL - *----------------------------------------------------------- - */ - fRLL_LoadLine = Divide(getASICProfilingInfo->ulLoadLineSlop, 1000); - - switch (dpm_level) { - case 1: - fDerateTDP = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulTdpDerateDPM1), 1000); - break; - case 2: - fDerateTDP = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulTdpDerateDPM2), 1000); - break; - case 3: - fDerateTDP = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulTdpDerateDPM3), 1000); - break; - case 4: - fDerateTDP = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulTdpDerateDPM4), 1000); - break; - case 5: - fDerateTDP = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulTdpDerateDPM5), 1000); - break; - case 6: - fDerateTDP = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulTdpDerateDPM6), 1000); - break; - case 7: - fDerateTDP = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulTdpDerateDPM7), 1000); - break; - default: - pr_err("DPM Level not supported\n"); - fDerateTDP = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulTdpDerateDPM0), 1000); - } - - /*------------------------- - * DECODING FUSE VALUES - * ------------------------ - */ - /*Decode RO_Fused*/ - sRO_fuse = getASICProfilingInfo->sRoFuse; - - sInput_FuseValues.usEfuseIndex = sRO_fuse.usEfuseIndex; - sInput_FuseValues.ucBitShift = sRO_fuse.ucEfuseBitLSB; - sInput_FuseValues.ucBitLength = sRO_fuse.ucEfuseLength; - - sOutput_FuseValues.sEfuse = sInput_FuseValues; - - result = amdgpu_atom_execute_table(adev->mode_info.atom_context, - GetIndexIntoMasterTable(COMMAND, ReadEfuseValue), - (uint32_t *)&sOutput_FuseValues, sizeof(sOutput_FuseValues)); - - if (result) - return result; - - /* Finally, the actual fuse value */ - ul_RO_fused = le32_to_cpu(sOutput_FuseValues.ulEfuseValue); - fMin = GetScaledFraction(le32_to_cpu(sRO_fuse.ulEfuseMin), 1); - fRange = GetScaledFraction(le32_to_cpu(sRO_fuse.ulEfuseEncodeRange), 1); - fRO_fused = fDecodeLinearFuse(ul_RO_fused, fMin, fRange, sRO_fuse.ucEfuseLength); - - sCACm_fuse = getASICProfilingInfo->sCACm; - - sInput_FuseValues.usEfuseIndex = sCACm_fuse.usEfuseIndex; - sInput_FuseValues.ucBitShift = sCACm_fuse.ucEfuseBitLSB; - sInput_FuseValues.ucBitLength = sCACm_fuse.ucEfuseLength; - - sOutput_FuseValues.sEfuse = sInput_FuseValues; - - result = amdgpu_atom_execute_table(adev->mode_info.atom_context, - GetIndexIntoMasterTable(COMMAND, ReadEfuseValue), - (uint32_t *)&sOutput_FuseValues, sizeof(sOutput_FuseValues)); - - if (result) - return result; - - ul_CACm_fused = le32_to_cpu(sOutput_FuseValues.ulEfuseValue); - fMin = GetScaledFraction(le32_to_cpu(sCACm_fuse.ulEfuseMin), 1000); - fRange = GetScaledFraction(le32_to_cpu(sCACm_fuse.ulEfuseEncodeRange), 1000); - - fCACm_fused = fDecodeLinearFuse(ul_CACm_fused, fMin, fRange, sCACm_fuse.ucEfuseLength); - - sCACb_fuse = getASICProfilingInfo->sCACb; - - sInput_FuseValues.usEfuseIndex = sCACb_fuse.usEfuseIndex; - sInput_FuseValues.ucBitShift = sCACb_fuse.ucEfuseBitLSB; - sInput_FuseValues.ucBitLength = sCACb_fuse.ucEfuseLength; - sOutput_FuseValues.sEfuse = sInput_FuseValues; - - result = amdgpu_atom_execute_table(adev->mode_info.atom_context, - GetIndexIntoMasterTable(COMMAND, ReadEfuseValue), - (uint32_t *)&sOutput_FuseValues, sizeof(sOutput_FuseValues)); - - if (result) - return result; - - ul_CACb_fused = le32_to_cpu(sOutput_FuseValues.ulEfuseValue); - fMin = GetScaledFraction(le32_to_cpu(sCACb_fuse.ulEfuseMin), 1000); - fRange = GetScaledFraction(le32_to_cpu(sCACb_fuse.ulEfuseEncodeRange), 1000); - - fCACb_fused = fDecodeLinearFuse(ul_CACb_fused, fMin, fRange, sCACb_fuse.ucEfuseLength); - - sKt_Beta_fuse = getASICProfilingInfo->sKt_b; - - sInput_FuseValues.usEfuseIndex = sKt_Beta_fuse.usEfuseIndex; - sInput_FuseValues.ucBitShift = sKt_Beta_fuse.ucEfuseBitLSB; - sInput_FuseValues.ucBitLength = sKt_Beta_fuse.ucEfuseLength; - - sOutput_FuseValues.sEfuse = sInput_FuseValues; - - result = amdgpu_atom_execute_table(adev->mode_info.atom_context, - GetIndexIntoMasterTable(COMMAND, ReadEfuseValue), - (uint32_t *)&sOutput_FuseValues, sizeof(sOutput_FuseValues)); - - if (result) - return result; - - ul_Kt_Beta_fused = le32_to_cpu(sOutput_FuseValues.ulEfuseValue); - fAverage = GetScaledFraction(le32_to_cpu(sKt_Beta_fuse.ulEfuseEncodeAverage), 1000); - fRange = GetScaledFraction(le32_to_cpu(sKt_Beta_fuse.ulEfuseEncodeRange), 1000); - - fKt_Beta_fused = fDecodeLogisticFuse(ul_Kt_Beta_fused, - fAverage, fRange, sKt_Beta_fuse.ucEfuseLength); - - sKv_m_fuse = getASICProfilingInfo->sKv_m; - - sInput_FuseValues.usEfuseIndex = sKv_m_fuse.usEfuseIndex; - sInput_FuseValues.ucBitShift = sKv_m_fuse.ucEfuseBitLSB; - sInput_FuseValues.ucBitLength = sKv_m_fuse.ucEfuseLength; - - sOutput_FuseValues.sEfuse = sInput_FuseValues; - - result = amdgpu_atom_execute_table(adev->mode_info.atom_context, - GetIndexIntoMasterTable(COMMAND, ReadEfuseValue), - (uint32_t *)&sOutput_FuseValues, sizeof(sOutput_FuseValues)); - if (result) - return result; - - ul_Kv_m_fused = le32_to_cpu(sOutput_FuseValues.ulEfuseValue); - fAverage = GetScaledFraction(le32_to_cpu(sKv_m_fuse.ulEfuseEncodeAverage), 1000); - fRange = GetScaledFraction((le32_to_cpu(sKv_m_fuse.ulEfuseEncodeRange) & 0x7fffffff), 1000); - fRange = fMultiply(fRange, ConvertToFraction(-1)); - - fKv_m_fused = fDecodeLogisticFuse(ul_Kv_m_fused, - fAverage, fRange, sKv_m_fuse.ucEfuseLength); - - sKv_b_fuse = getASICProfilingInfo->sKv_b; - - sInput_FuseValues.usEfuseIndex = sKv_b_fuse.usEfuseIndex; - sInput_FuseValues.ucBitShift = sKv_b_fuse.ucEfuseBitLSB; - sInput_FuseValues.ucBitLength = sKv_b_fuse.ucEfuseLength; - sOutput_FuseValues.sEfuse = sInput_FuseValues; - - result = amdgpu_atom_execute_table(adev->mode_info.atom_context, - GetIndexIntoMasterTable(COMMAND, ReadEfuseValue), - (uint32_t *)&sOutput_FuseValues, sizeof(sOutput_FuseValues)); - - if (result) - return result; - - ul_Kv_b_fused = le32_to_cpu(sOutput_FuseValues.ulEfuseValue); - fAverage = GetScaledFraction(le32_to_cpu(sKv_b_fuse.ulEfuseEncodeAverage), 1000); - fRange = GetScaledFraction(le32_to_cpu(sKv_b_fuse.ulEfuseEncodeRange), 1000); - - fKv_b_fused = fDecodeLogisticFuse(ul_Kv_b_fused, - fAverage, fRange, sKv_b_fuse.ucEfuseLength); - - /* Decoding the Leakage - No special struct container */ - /* - * usLkgEuseIndex=56 - * ucLkgEfuseBitLSB=6 - * ucLkgEfuseLength=10 - * ulLkgEncodeLn_MaxDivMin=69077 - * ulLkgEncodeMax=1000000 - * ulLkgEncodeMin=1000 - * ulEfuseLogisticAlpha=13 - */ - - sInput_FuseValues.usEfuseIndex = getASICProfilingInfo->usLkgEuseIndex; - sInput_FuseValues.ucBitShift = getASICProfilingInfo->ucLkgEfuseBitLSB; - sInput_FuseValues.ucBitLength = getASICProfilingInfo->ucLkgEfuseLength; - - sOutput_FuseValues.sEfuse = sInput_FuseValues; - - result = amdgpu_atom_execute_table(adev->mode_info.atom_context, - GetIndexIntoMasterTable(COMMAND, ReadEfuseValue), - (uint32_t *)&sOutput_FuseValues, sizeof(sOutput_FuseValues)); - - if (result) - return result; - - ul_FT_Lkg_V0NORM = le32_to_cpu(sOutput_FuseValues.ulEfuseValue); - fLn_MaxDivMin = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulLkgEncodeLn_MaxDivMin), 10000); - fMin = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulLkgEncodeMin), 10000); - - fFT_Lkg_V0NORM = fDecodeLeakageID(ul_FT_Lkg_V0NORM, - fLn_MaxDivMin, fMin, getASICProfilingInfo->ucLkgEfuseLength); - fLkg_FT = fFT_Lkg_V0NORM; - - /*------------------------------------------- - * PART 2 - Grabbing all required values - *------------------------------------------- - */ - fSM_A0 = fMultiply(GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulSM_A0), 1000000), - ConvertToFraction(uPow(-1, getASICProfilingInfo->ucSM_A0_sign))); - fSM_A1 = fMultiply(GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulSM_A1), 1000000), - ConvertToFraction(uPow(-1, getASICProfilingInfo->ucSM_A1_sign))); - fSM_A2 = fMultiply(GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulSM_A2), 100000), - ConvertToFraction(uPow(-1, getASICProfilingInfo->ucSM_A2_sign))); - fSM_A3 = fMultiply(GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulSM_A3), 1000000), - ConvertToFraction(uPow(-1, getASICProfilingInfo->ucSM_A3_sign))); - fSM_A4 = fMultiply(GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulSM_A4), 1000000), - ConvertToFraction(uPow(-1, getASICProfilingInfo->ucSM_A4_sign))); - fSM_A5 = fMultiply(GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulSM_A5), 1000), - ConvertToFraction(uPow(-1, getASICProfilingInfo->ucSM_A5_sign))); - fSM_A6 = fMultiply(GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulSM_A6), 1000), - ConvertToFraction(uPow(-1, getASICProfilingInfo->ucSM_A6_sign))); - fSM_A7 = fMultiply(GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulSM_A7), 1000), - ConvertToFraction(uPow(-1, getASICProfilingInfo->ucSM_A7_sign))); - - fMargin_RO_a = ConvertToFraction(le32_to_cpu(getASICProfilingInfo->ulMargin_RO_a)); - fMargin_RO_b = ConvertToFraction(le32_to_cpu(getASICProfilingInfo->ulMargin_RO_b)); - fMargin_RO_c = ConvertToFraction(le32_to_cpu(getASICProfilingInfo->ulMargin_RO_c)); - - fMargin_fixed = ConvertToFraction(le32_to_cpu(getASICProfilingInfo->ulMargin_fixed)); - - fMargin_FMAX_mean = GetScaledFraction( - le32_to_cpu(getASICProfilingInfo->ulMargin_Fmax_mean), 10000); - fMargin_Plat_mean = GetScaledFraction( - le32_to_cpu(getASICProfilingInfo->ulMargin_plat_mean), 10000); - fMargin_FMAX_sigma = GetScaledFraction( - le32_to_cpu(getASICProfilingInfo->ulMargin_Fmax_sigma), 10000); - fMargin_Plat_sigma = GetScaledFraction( - le32_to_cpu(getASICProfilingInfo->ulMargin_plat_sigma), 10000); - - fMargin_DC_sigma = GetScaledFraction( - le32_to_cpu(getASICProfilingInfo->ulMargin_DC_sigma), 100); - fMargin_DC_sigma = fDivide(fMargin_DC_sigma, ConvertToFraction(1000)); - - fCACm_fused = fDivide(fCACm_fused, ConvertToFraction(100)); - fCACb_fused = fDivide(fCACb_fused, ConvertToFraction(100)); - fKt_Beta_fused = fDivide(fKt_Beta_fused, ConvertToFraction(100)); - fKv_m_fused = fNegate(fDivide(fKv_m_fused, ConvertToFraction(100))); - fKv_b_fused = fDivide(fKv_b_fused, ConvertToFraction(10)); - - fSclk = GetScaledFraction(sclk, 100); - - fV_max = fDivide(GetScaledFraction( - le32_to_cpu(getASICProfilingInfo->ulMaxVddc), 1000), ConvertToFraction(4)); - fT_prod = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulBoardCoreTemp), 10); - fLKG_Factor = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulEvvLkgFactor), 100); - fT_FT = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulLeakageTemp), 10); - fV_FT = fDivide(GetScaledFraction( - le32_to_cpu(getASICProfilingInfo->ulLeakageVoltage), 1000), ConvertToFraction(4)); - fV_min = fDivide(GetScaledFraction( - le32_to_cpu(getASICProfilingInfo->ulMinVddc), 1000), ConvertToFraction(4)); - - /*----------------------- - * PART 3 - *----------------------- - */ - - fA_Term = fAdd(fMargin_RO_a, fAdd(fMultiply(fSM_A4, fSclk), fSM_A5)); - fB_Term = fAdd(fAdd(fMultiply(fSM_A2, fSclk), fSM_A6), fMargin_RO_b); - fC_Term = fAdd(fMargin_RO_c, - fAdd(fMultiply(fSM_A0, fLkg_FT), - fAdd(fMultiply(fSM_A1, fMultiply(fLkg_FT, fSclk)), - fAdd(fMultiply(fSM_A3, fSclk), - fSubtract(fSM_A7, fRO_fused))))); - - fVDDC_base = fSubtract(fRO_fused, - fSubtract(fMargin_RO_c, - fSubtract(fSM_A3, fMultiply(fSM_A1, fSclk)))); - fVDDC_base = fDivide(fVDDC_base, fAdd(fMultiply(fSM_A0, fSclk), fSM_A2)); - - repeat = fSubtract(fVDDC_base, - fDivide(fMargin_DC_sigma, ConvertToFraction(1000))); - - fRO_DC_margin = fAdd(fMultiply(fMargin_RO_a, - fGetSquare(repeat)), - fAdd(fMultiply(fMargin_RO_b, repeat), - fMargin_RO_c)); - - fDC_SCLK = fSubtract(fRO_fused, - fSubtract(fRO_DC_margin, - fSubtract(fSM_A3, - fMultiply(fSM_A2, repeat)))); - fDC_SCLK = fDivide(fDC_SCLK, fAdd(fMultiply(fSM_A0, repeat), fSM_A1)); - - fSigma_DC = fSubtract(fSclk, fDC_SCLK); - - fMicro_FMAX = fMultiply(fSclk, fMargin_FMAX_mean); - fMicro_CR = fMultiply(fSclk, fMargin_Plat_mean); - fSigma_FMAX = fMultiply(fSclk, fMargin_FMAX_sigma); - fSigma_CR = fMultiply(fSclk, fMargin_Plat_sigma); - - fSquared_Sigma_DC = fGetSquare(fSigma_DC); - fSquared_Sigma_CR = fGetSquare(fSigma_CR); - fSquared_Sigma_FMAX = fGetSquare(fSigma_FMAX); - - fSclk_margin = fAdd(fMicro_FMAX, - fAdd(fMicro_CR, - fAdd(fMargin_fixed, - fSqrt(fAdd(fSquared_Sigma_FMAX, - fAdd(fSquared_Sigma_DC, fSquared_Sigma_CR)))))); - /* - fA_Term = fSM_A4 * (fSclk + fSclk_margin) + fSM_A5; - fB_Term = fSM_A2 * (fSclk + fSclk_margin) + fSM_A6; - fC_Term = fRO_DC_margin + fSM_A0 * fLkg_FT + fSM_A1 * fLkg_FT * (fSclk + fSclk_margin) + fSM_A3 * (fSclk + fSclk_margin) + fSM_A7 - fRO_fused; - */ - - fA_Term = fAdd(fMultiply(fSM_A4, fAdd(fSclk, fSclk_margin)), fSM_A5); - fB_Term = fAdd(fMultiply(fSM_A2, fAdd(fSclk, fSclk_margin)), fSM_A6); - fC_Term = fAdd(fRO_DC_margin, - fAdd(fMultiply(fSM_A0, fLkg_FT), - fAdd(fMultiply(fMultiply(fSM_A1, fLkg_FT), - fAdd(fSclk, fSclk_margin)), - fAdd(fMultiply(fSM_A3, - fAdd(fSclk, fSclk_margin)), - fSubtract(fSM_A7, fRO_fused))))); - - SolveQuadracticEqn(fA_Term, fB_Term, fC_Term, fRoots); - - if (GreaterThan(fRoots[0], fRoots[1])) - fEVV_V = fRoots[1]; - else - fEVV_V = fRoots[0]; - - if (GreaterThan(fV_min, fEVV_V)) - fEVV_V = fV_min; - else if (GreaterThan(fEVV_V, fV_max)) - fEVV_V = fSubtract(fV_max, fStepSize); - - fEVV_V = fRoundUpByStepSize(fEVV_V, fStepSize, 0); - - /*----------------- - * PART 4 - *----------------- - */ - - fV_x = fV_min; - - while (GreaterThan(fAdd(fV_max, fStepSize), fV_x)) { - fTDP_Power_left = fMultiply(fMultiply(fMultiply(fAdd( - fMultiply(fCACm_fused, fV_x), fCACb_fused), fSclk), - fGetSquare(fV_x)), fDerateTDP); - - fTDP_Power_right = fMultiply(fFT_Lkg_V0NORM, fMultiply(fLKG_Factor, - fMultiply(fExponential(fMultiply(fAdd(fMultiply(fKv_m_fused, - fT_prod), fKv_b_fused), fV_x)), fV_x))); - fTDP_Power_right = fMultiply(fTDP_Power_right, fExponential(fMultiply( - fKt_Beta_fused, fT_prod))); - fTDP_Power_right = fDivide(fTDP_Power_right, fExponential(fMultiply( - fAdd(fMultiply(fKv_m_fused, fT_prod), fKv_b_fused), fV_FT))); - fTDP_Power_right = fDivide(fTDP_Power_right, fExponential(fMultiply( - fKt_Beta_fused, fT_FT))); - - fTDP_Power = fAdd(fTDP_Power_left, fTDP_Power_right); - - fTDP_Current = fDivide(fTDP_Power, fV_x); - - fV_NL = fAdd(fV_x, fDivide(fMultiply(fTDP_Current, fRLL_LoadLine), - ConvertToFraction(10))); - - fV_NL = fRoundUpByStepSize(fV_NL, fStepSize, 0); - - if (GreaterThan(fV_max, fV_NL) && - (GreaterThan(fV_NL, fEVV_V) || - Equal(fV_NL, fEVV_V))) { - fV_NL = fMultiply(fV_NL, ConvertToFraction(1000)); - - *voltage = (uint16_t)fV_NL.partial.real; - break; - } else - fV_x = fAdd(fV_x, fStepSize); - } - - return result; -} - /** * atomctrl_get_voltage_evv_on_sclk: gets voltage via call to ATOM COMMAND table. * @hwmgr: input: pointer to hwManager @@ -1419,6 +1000,8 @@ int atomctrl_get_smc_sclk_range_table(struct pp_hwmgr *hwmgr, struct pp_atom_ctr GetIndexIntoMasterTable(DATA, SMU_Info), &size, &frev, &crev); + if (!psmu_info) + return -EINVAL; for (i = 0; i < psmu_info->ucSclkEntryNum; i++) { table->entry[i].ucVco_setting = psmu_info->asSclkFcwRangeEntry[i].ucVco_setting; |