diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/navi10_ppt.c')
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 369 |
1 files changed, 358 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index 354f70978f82..aaec884d63ed 100644 --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c @@ -36,6 +36,7 @@ #include "navi10_ppt.h" #include "smu_v11_0_pptable.h" #include "smu_v11_0_ppsmc.h" +#include "nbio/nbio_7_4_sh_mask.h" #include "asic_reg/mp/mp_11_0_sh_mask.h" @@ -599,6 +600,7 @@ static int navi10_set_default_dpm_table(struct smu_context *smu) struct smu_table_context *table_context = &smu->smu_table; struct smu_11_0_dpm_context *dpm_context = smu_dpm->dpm_context; PPTable_t *driver_ppt = NULL; + int i; driver_ppt = table_context->driver_pptable; @@ -629,6 +631,11 @@ static int navi10_set_default_dpm_table(struct smu_context *smu) dpm_context->dpm_tables.phy_table.min = driver_ppt->FreqTablePhyclk[0]; dpm_context->dpm_tables.phy_table.max = driver_ppt->FreqTablePhyclk[NUM_PHYCLK_DPM_LEVELS - 1]; + for (i = 0; i < MAX_PCIE_CONF; i++) { + dpm_context->dpm_tables.pcie_table.pcie_gen[i] = driver_ppt->PcieGenSpeed[i]; + dpm_context->dpm_tables.pcie_table.pcie_lane[i] = driver_ppt->PcieLaneCount[i]; + } + return 0; } @@ -691,13 +698,29 @@ static bool navi10_is_support_fine_grained_dpm(struct smu_context *smu, enum smu return dpm_desc->SnapToDiscrete == 0 ? true : false; } +static inline bool navi10_od_feature_is_supported(struct smu_11_0_overdrive_table *od_table, enum SMU_11_0_ODFEATURE_ID feature) +{ + return od_table->cap[feature]; +} + + static int navi10_print_clk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf) { + uint16_t *curve_settings; int i, size = 0, ret = 0; uint32_t cur_value = 0, value = 0, count = 0; uint32_t freq_values[3] = {0}; uint32_t mark_index = 0; + struct smu_table_context *table_context = &smu->smu_table; + uint32_t gen_speed, lane_width; + struct smu_dpm_context *smu_dpm = &smu->smu_dpm; + struct smu_11_0_dpm_context *dpm_context = smu_dpm->dpm_context; + struct amdgpu_device *adev = smu->adev; + PPTable_t *pptable = (PPTable_t *)table_context->driver_pptable; + OverDriveTable_t *od_table = + (OverDriveTable_t *)table_context->overdrive_table; + struct smu_11_0_overdrive_table *od_settings = smu->od_settings; switch (clk_type) { case SMU_GFXCLK: @@ -748,6 +771,69 @@ static int navi10_print_clk_levels(struct smu_context *smu, } break; + case SMU_PCIE: + gen_speed = (RREG32_PCIE(smnPCIE_LC_SPEED_CNTL) & + PSWUSP0_PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE_MASK) + >> PSWUSP0_PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE__SHIFT; + lane_width = (RREG32_PCIE(smnPCIE_LC_LINK_WIDTH_CNTL) & + PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD_MASK) + >> PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD__SHIFT; + for (i = 0; i < NUM_LINK_LEVELS; i++) + size += sprintf(buf + size, "%d: %s %s %dMhz %s\n", i, + (dpm_context->dpm_tables.pcie_table.pcie_gen[i] == 0) ? "2.5GT/s," : + (dpm_context->dpm_tables.pcie_table.pcie_gen[i] == 1) ? "5.0GT/s," : + (dpm_context->dpm_tables.pcie_table.pcie_gen[i] == 2) ? "8.0GT/s," : + (dpm_context->dpm_tables.pcie_table.pcie_gen[i] == 3) ? "16.0GT/s," : "", + (dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 1) ? "x1" : + (dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 2) ? "x2" : + (dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 3) ? "x4" : + (dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 4) ? "x8" : + (dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 5) ? "x12" : + (dpm_context->dpm_tables.pcie_table.pcie_lane[i] == 6) ? "x16" : "", + pptable->LclkFreq[i], + (gen_speed == dpm_context->dpm_tables.pcie_table.pcie_gen[i]) && + (lane_width == dpm_context->dpm_tables.pcie_table.pcie_lane[i]) ? + "*" : ""); + break; + case SMU_OD_SCLK: + if (!smu->od_enabled || !od_table || !od_settings) + break; + if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_LIMITS)) + break; + size += sprintf(buf + size, "OD_SCLK:\n"); + size += sprintf(buf + size, "0: %uMhz\n1: %uMhz\n", od_table->GfxclkFmin, od_table->GfxclkFmax); + break; + case SMU_OD_MCLK: + if (!smu->od_enabled || !od_table || !od_settings) + break; + if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_UCLK_MAX)) + break; + size += sprintf(buf + size, "OD_MCLK:\n"); + size += sprintf(buf + size, "0: %uMHz\n", od_table->UclkFmax); + break; + case SMU_OD_VDDC_CURVE: + if (!smu->od_enabled || !od_table || !od_settings) + break; + if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_CURVE)) + break; + size += sprintf(buf + size, "OD_VDDC_CURVE:\n"); + for (i = 0; i < 3; i++) { + switch (i) { + case 0: + curve_settings = &od_table->GfxclkFreq1; + break; + case 1: + curve_settings = &od_table->GfxclkFreq2; + break; + case 2: + curve_settings = &od_table->GfxclkFreq3; + break; + default: + break; + } + size += sprintf(buf + size, "%d: %uMHz @ %umV\n", i, curve_settings[0], curve_settings[1] / NAVI10_VOLTAGE_SCALE); + } + break; default: break; } @@ -773,6 +859,12 @@ static int navi10_force_clk_levels(struct smu_context *smu, case SMU_UCLK: case SMU_DCEFCLK: case SMU_FCLK: + /* There is only 2 levels for fine grained DPM */ + if (navi10_is_support_fine_grained_dpm(smu, clk_type)) { + soft_max_level = (soft_max_level >= 1 ? 1 : 0); + soft_min_level = (soft_min_level >= 1 ? 1 : 0); + } + ret = smu_get_dpm_freq_by_index(smu, clk_type, soft_min_level, &min_freq); if (ret) return size; @@ -1582,17 +1674,22 @@ static int navi10_display_disable_memory_clock_switch(struct smu_context *smu, return ret; } +static uint32_t navi10_get_pptable_power_limit(struct smu_context *smu) +{ + PPTable_t *pptable = smu->smu_table.driver_pptable; + return pptable->SocketPowerLimitAc[PPT_THROTTLER_PPT0]; +} + static int navi10_get_power_limit(struct smu_context *smu, uint32_t *limit, - bool asic_default) + bool cap) { PPTable_t *pptable = smu->smu_table.driver_pptable; uint32_t asic_default_power_limit = 0; int ret = 0; int power_src; - if (!smu->default_power_limit || - !smu->power_limit) { + if (!smu->power_limit) { if (smu_feature_is_enabled(smu, SMU_FEATURE_PPT_BIT)) { power_src = smu_power_get_index(smu, SMU_POWER_SOURCE_AC); if (power_src < 0) @@ -1615,17 +1712,11 @@ static int navi10_get_power_limit(struct smu_context *smu, pptable->SocketPowerLimitAc[PPT_THROTTLER_PPT0]; } - if (smu->od_enabled) { - asic_default_power_limit *= (100 + smu->smu_table.TDPODLimit); - asic_default_power_limit /= 100; - } - - smu->default_power_limit = asic_default_power_limit; smu->power_limit = asic_default_power_limit; } - if (asic_default) - *limit = smu->default_power_limit; + if (cap) + *limit = smu_v11_0_get_max_power_limit(smu); else *limit = smu->power_limit; @@ -1640,6 +1731,9 @@ static int navi10_update_pcie_parameters(struct smu_context *smu, int ret, i; uint32_t smu_pcie_arg; + struct smu_dpm_context *smu_dpm = &smu->smu_dpm; + struct smu_11_0_dpm_context *dpm_context = smu_dpm->dpm_context; + for (i = 0; i < NUM_LINK_LEVELS; i++) { smu_pcie_arg = (i << 16) | ((pptable->PcieGenSpeed[i] <= pcie_gen_cap) ? (pptable->PcieGenSpeed[i] << 8) : @@ -1648,11 +1742,260 @@ static int navi10_update_pcie_parameters(struct smu_context *smu, ret = smu_send_smc_msg_with_param(smu, SMU_MSG_OverridePcieParameters, smu_pcie_arg); + + if (ret) + return ret; + + if (pptable->PcieGenSpeed[i] > pcie_gen_cap) + dpm_context->dpm_tables.pcie_table.pcie_gen[i] = pcie_gen_cap; + if (pptable->PcieLaneCount[i] > pcie_width_cap) + dpm_context->dpm_tables.pcie_table.pcie_lane[i] = pcie_width_cap; + } + + return 0; +} + +static inline void navi10_dump_od_table(OverDriveTable_t *od_table) { + pr_debug("OD: Gfxclk: (%d, %d)\n", od_table->GfxclkFmin, od_table->GfxclkFmax); + pr_debug("OD: Gfx1: (%d, %d)\n", od_table->GfxclkFreq1, od_table->GfxclkVolt1); + pr_debug("OD: Gfx2: (%d, %d)\n", od_table->GfxclkFreq2, od_table->GfxclkVolt2); + pr_debug("OD: Gfx3: (%d, %d)\n", od_table->GfxclkFreq3, od_table->GfxclkVolt3); + pr_debug("OD: UclkFmax: %d\n", od_table->UclkFmax); + pr_debug("OD: OverDrivePct: %d\n", od_table->OverDrivePct); +} + +static int navi10_od_setting_check_range(struct smu_11_0_overdrive_table *od_table, enum SMU_11_0_ODSETTING_ID setting, uint32_t value) +{ + if (value < od_table->min[setting]) { + pr_warn("OD setting (%d, %d) is less than the minimum allowed (%d)\n", setting, value, od_table->min[setting]); + return -EINVAL; + } + if (value > od_table->max[setting]) { + pr_warn("OD setting (%d, %d) is greater than the maximum allowed (%d)\n", setting, value, od_table->max[setting]); + return -EINVAL; + } + return 0; +} + +static int navi10_setup_od_limits(struct smu_context *smu) { + struct smu_11_0_overdrive_table *overdrive_table = NULL; + struct smu_11_0_powerplay_table *powerplay_table = NULL; + + if (!smu->smu_table.power_play_table) { + pr_err("powerplay table uninitialized!\n"); + return -ENOENT; + } + powerplay_table = (struct smu_11_0_powerplay_table *)smu->smu_table.power_play_table; + overdrive_table = &powerplay_table->overdrive_table; + if (!smu->od_settings) { + smu->od_settings = kmemdup(overdrive_table, sizeof(struct smu_11_0_overdrive_table), GFP_KERNEL); + } else { + memcpy(smu->od_settings, overdrive_table, sizeof(struct smu_11_0_overdrive_table)); + } + return 0; +} + +static int navi10_set_default_od_settings(struct smu_context *smu, bool initialize) { + OverDriveTable_t *od_table; + int ret = 0; + + ret = smu_v11_0_set_default_od_settings(smu, initialize, sizeof(OverDriveTable_t)); + if (ret) + return ret; + + if (initialize) { + ret = navi10_setup_od_limits(smu); + if (ret) { + pr_err("Failed to retrieve board OD limits\n"); + return ret; + } + } + od_table = (OverDriveTable_t *)smu->smu_table.overdrive_table; + if (od_table) { + navi10_dump_od_table(od_table); + } + + return ret; +} + +static int navi10_od_edit_dpm_table(struct smu_context *smu, enum PP_OD_DPM_TABLE_COMMAND type, long input[], uint32_t size) { + int i; + int ret = 0; + struct smu_table_context *table_context = &smu->smu_table; + OverDriveTable_t *od_table; + struct smu_11_0_overdrive_table *od_settings; + enum SMU_11_0_ODSETTING_ID freq_setting, voltage_setting; + uint16_t *freq_ptr, *voltage_ptr; + od_table = (OverDriveTable_t *)table_context->overdrive_table; + + if (!smu->od_enabled) { + pr_warn("OverDrive is not enabled!\n"); + return -EINVAL; + } + + if (!smu->od_settings) { + pr_err("OD board limits are not set!\n"); + return -ENOENT; + } + + od_settings = smu->od_settings; + + switch (type) { + case PP_OD_EDIT_SCLK_VDDC_TABLE: + if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_LIMITS)) { + pr_warn("GFXCLK_LIMITS not supported!\n"); + return -ENOTSUPP; + } + if (!table_context->overdrive_table) { + pr_err("Overdrive is not initialized\n"); + return -EINVAL; + } + for (i = 0; i < size; i += 2) { + if (i + 2 > size) { + pr_info("invalid number of input parameters %d\n", size); + return -EINVAL; + } + switch (input[i]) { + case 0: + freq_setting = SMU_11_0_ODSETTING_GFXCLKFMIN; + freq_ptr = &od_table->GfxclkFmin; + if (input[i + 1] > od_table->GfxclkFmax) { + pr_info("GfxclkFmin (%ld) must be <= GfxclkFmax (%u)!\n", + input[i + 1], + od_table->GfxclkFmin); + return -EINVAL; + } + break; + case 1: + freq_setting = SMU_11_0_ODSETTING_GFXCLKFMAX; + freq_ptr = &od_table->GfxclkFmax; + if (input[i + 1] < od_table->GfxclkFmin) { + pr_info("GfxclkFmax (%ld) must be >= GfxclkFmin (%u)!\n", + input[i + 1], + od_table->GfxclkFmax); + return -EINVAL; + } + break; + default: + pr_info("Invalid SCLK_VDDC_TABLE index: %ld\n", input[i]); + pr_info("Supported indices: [0:min,1:max]\n"); + return -EINVAL; + } + ret = navi10_od_setting_check_range(od_settings, freq_setting, input[i + 1]); + if (ret) + return ret; + *freq_ptr = input[i + 1]; + } + break; + case PP_OD_EDIT_MCLK_VDDC_TABLE: + if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_UCLK_MAX)) { + pr_warn("UCLK_MAX not supported!\n"); + return -ENOTSUPP; + } + if (size < 2) { + pr_info("invalid number of parameters: %d\n", size); + return -EINVAL; + } + if (input[0] != 1) { + pr_info("Invalid MCLK_VDDC_TABLE index: %ld\n", input[0]); + pr_info("Supported indices: [1:max]\n"); + return -EINVAL; + } + ret = navi10_od_setting_check_range(od_settings, SMU_11_0_ODSETTING_UCLKFMAX, input[1]); + if (ret) + return ret; + od_table->UclkFmax = input[1]; + break; + case PP_OD_COMMIT_DPM_TABLE: + navi10_dump_od_table(od_table); + ret = smu_update_table(smu, SMU_TABLE_OVERDRIVE, 0, (void *)od_table, true); + if (ret) { + pr_err("Failed to import overdrive table!\n"); + return ret; + } + // no lock needed because smu_od_edit_dpm_table has it + ret = smu_handle_task(smu, smu->smu_dpm.dpm_level, + AMD_PP_TASK_READJUST_POWER_STATE, + false); + if (ret) { + return ret; + } + break; + case PP_OD_EDIT_VDDC_CURVE: + if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_CURVE)) { + pr_warn("GFXCLK_CURVE not supported!\n"); + return -ENOTSUPP; + } + if (size < 3) { + pr_info("invalid number of parameters: %d\n", size); + return -EINVAL; + } + if (!od_table) { + pr_info("Overdrive is not initialized\n"); + return -EINVAL; + } + + switch (input[0]) { + case 0: + freq_setting = SMU_11_0_ODSETTING_VDDGFXCURVEFREQ_P1; + voltage_setting = SMU_11_0_ODSETTING_VDDGFXCURVEVOLTAGE_P1; + freq_ptr = &od_table->GfxclkFreq1; + voltage_ptr = &od_table->GfxclkVolt1; + break; + case 1: + freq_setting = SMU_11_0_ODSETTING_VDDGFXCURVEFREQ_P2; + voltage_setting = SMU_11_0_ODSETTING_VDDGFXCURVEVOLTAGE_P2; + freq_ptr = &od_table->GfxclkFreq2; + voltage_ptr = &od_table->GfxclkVolt2; + break; + case 2: + freq_setting = SMU_11_0_ODSETTING_VDDGFXCURVEFREQ_P3; + voltage_setting = SMU_11_0_ODSETTING_VDDGFXCURVEVOLTAGE_P3; + freq_ptr = &od_table->GfxclkFreq3; + voltage_ptr = &od_table->GfxclkVolt3; + break; + default: + pr_info("Invalid VDDC_CURVE index: %ld\n", input[0]); + pr_info("Supported indices: [0, 1, 2]\n"); + return -EINVAL; + } + ret = navi10_od_setting_check_range(od_settings, freq_setting, input[1]); + if (ret) + return ret; + // Allow setting zero to disable the OverDrive VDDC curve + if (input[2] != 0) { + ret = navi10_od_setting_check_range(od_settings, voltage_setting, input[2]); + if (ret) + return ret; + *freq_ptr = input[1]; + *voltage_ptr = ((uint16_t)input[2]) * NAVI10_VOLTAGE_SCALE; + pr_debug("OD: set curve %ld: (%d, %d)\n", input[0], *freq_ptr, *voltage_ptr); + } else { + // If setting 0, disable all voltage curve settings + od_table->GfxclkVolt1 = 0; + od_table->GfxclkVolt2 = 0; + od_table->GfxclkVolt3 = 0; + } + navi10_dump_od_table(od_table); + break; + default: + return -ENOSYS; + } return ret; } +static int navi10_run_btc(struct smu_context *smu) +{ + int ret = 0; + + ret = smu_send_smc_msg(smu, SMU_MSG_RunBtc); + if (ret) + pr_err("RunBtc failed!\n"); + + return ret; +} static const struct pptable_funcs navi10_ppt_funcs = { .tables_init = navi10_tables_init, @@ -1742,6 +2085,10 @@ static const struct pptable_funcs navi10_ppt_funcs = { .get_dpm_ultimate_freq = smu_v11_0_get_dpm_ultimate_freq, .set_soft_freq_limited_range = smu_v11_0_set_soft_freq_limited_range, .override_pcie_parameters = smu_v11_0_override_pcie_parameters, + .set_default_od_settings = navi10_set_default_od_settings, + .od_edit_dpm_table = navi10_od_edit_dpm_table, + .get_pptable_power_limit = navi10_get_pptable_power_limit, + .run_btc = navi10_run_btc, }; void navi10_set_ppt_funcs(struct smu_context *smu) |