/* * Copyright 2020 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. */ #define SWSMU_CODE_LAYER_L4 #include "amdgpu.h" #include "amdgpu_smu.h" #include "smu_cmn.h" #include "soc15_common.h" /* * DO NOT use these for err/warn/info/debug messages. * Use dev_err, dev_warn, dev_info and dev_dbg instead. * They are more MGPU friendly. */ #undef pr_err #undef pr_warn #undef pr_info #undef pr_debug /* * Although these are defined in each ASIC's specific header file. * They share the same definitions and values. That makes common * APIs for SMC messages issuing for all ASICs possible. */ #define mmMP1_SMN_C2PMSG_66 0x0282 #define mmMP1_SMN_C2PMSG_66_BASE_IDX 0 #define mmMP1_SMN_C2PMSG_82 0x0292 #define mmMP1_SMN_C2PMSG_82_BASE_IDX 0 #define mmMP1_SMN_C2PMSG_90 0x029a #define mmMP1_SMN_C2PMSG_90_BASE_IDX 0 #define MP1_C2PMSG_90__CONTENT_MASK 0xFFFFFFFFL #undef __SMU_DUMMY_MAP #define __SMU_DUMMY_MAP(type) #type static const char* __smu_message_names[] = { SMU_MESSAGE_TYPES }; static const char *smu_get_message_name(struct smu_context *smu, enum smu_message_type type) { if (type < 0 || type >= SMU_MSG_MAX_COUNT) return "unknown smu message"; return __smu_message_names[type]; } static void smu_cmn_send_msg_without_waiting(struct smu_context *smu, uint16_t msg) { struct amdgpu_device *adev = smu->adev; WREG32_SOC15_NO_KIQ(MP1, 0, mmMP1_SMN_C2PMSG_66, msg); } static void smu_cmn_read_arg(struct smu_context *smu, uint32_t *arg) { struct amdgpu_device *adev = smu->adev; *arg = RREG32_SOC15_NO_KIQ(MP1, 0, mmMP1_SMN_C2PMSG_82); } static int smu_cmn_wait_for_response(struct smu_context *smu) { struct amdgpu_device *adev = smu->adev; uint32_t cur_value, i, timeout = adev->usec_timeout * 10; for (i = 0; i < timeout; i++) { cur_value = RREG32_SOC15_NO_KIQ(MP1, 0, mmMP1_SMN_C2PMSG_90); if ((cur_value & MP1_C2PMSG_90__CONTENT_MASK) != 0) return cur_value == 0x1 ? 0 : -EIO; udelay(1); } /* timeout means wrong logic */ if (i == timeout) return -ETIME; return RREG32_SOC15_NO_KIQ(MP1, 0, mmMP1_SMN_C2PMSG_90) == 0x1 ? 0 : -EIO; } int smu_cmn_send_smc_msg_with_param(struct smu_context *smu, enum smu_message_type msg, uint32_t param, uint32_t *read_arg) { struct amdgpu_device *adev = smu->adev; int ret = 0, index = 0; if (smu->adev->in_pci_err_recovery) return 0; index = smu_cmn_to_asic_specific_index(smu, CMN2ASIC_MAPPING_MSG, msg); if (index < 0) return index == -EACCES ? 0 : index; mutex_lock(&smu->message_lock); ret = smu_cmn_wait_for_response(smu); if (ret) { dev_err(adev->dev, "Msg issuing pre-check failed and " "SMU may be not in the right state!\n"); goto out; } WREG32_SOC15_NO_KIQ(MP1, 0, mmMP1_SMN_C2PMSG_90, 0); WREG32_SOC15_NO_KIQ(MP1, 0, mmMP1_SMN_C2PMSG_82, param); smu_cmn_send_msg_without_waiting(smu, (uint16_t)index); ret = smu_cmn_wait_for_response(smu); if (ret) { dev_err(adev->dev, "failed send message: %10s (%d) \tparam: 0x%08x response %#x\n", smu_get_message_name(smu, msg), index, param, ret); goto out; } if (read_arg) smu_cmn_read_arg(smu, read_arg); out: mutex_unlock(&smu->message_lock); return ret; } int smu_cmn_send_smc_msg(struct smu_context *smu, enum smu_message_type msg, uint32_t *read_arg) { return smu_cmn_send_smc_msg_with_param(smu, msg, 0, read_arg); } int smu_cmn_to_asic_specific_index(struct smu_context *smu, enum smu_cmn2asic_mapping_type type, uint32_t index) { struct cmn2asic_msg_mapping msg_mapping; struct cmn2asic_mapping mapping; switch (type) { case CMN2ASIC_MAPPING_MSG: if (index >= SMU_MSG_MAX_COUNT || !smu->message_map) return -EINVAL; msg_mapping = smu->message_map[index]; if (!msg_mapping.valid_mapping) return -EINVAL; if (amdgpu_sriov_vf(smu->adev) && !msg_mapping.valid_in_vf) return -EACCES; return msg_mapping.map_to; case CMN2ASIC_MAPPING_CLK: if (index >= SMU_CLK_COUNT || !smu->clock_map) return -EINVAL; mapping = smu->clock_map[index]; if (!mapping.valid_mapping) return -EINVAL; return mapping.map_to; case CMN2ASIC_MAPPING_FEATURE: if (index >= SMU_FEATURE_COUNT || !smu->feature_map) return -EINVAL; mapping = smu->feature_map[index]; if (!mapping.valid_mapping) return -EINVAL; return mapping.map_to; case CMN2ASIC_MAPPING_TABLE: if (index >= SMU_TABLE_COUNT || !smu->table_map) return -EINVAL; mapping = smu->table_map[index]; if (!mapping.valid_mapping) return -EINVAL; return mapping.map_to; case CMN2ASIC_MAPPING_PWR: if (index >= SMU_POWER_SOURCE_COUNT || !smu->pwr_src_map) return -EINVAL; mapping = smu->pwr_src_map[index]; if (!mapping.valid_mapping) return -EINVAL; return mapping.map_to; case CMN2ASIC_MAPPING_WORKLOAD: if (index > PP_SMC_POWER_PROFILE_CUSTOM || !smu->workload_map) return -EINVAL; mapping = smu->workload_map[index]; if (!mapping.valid_mapping) return -EINVAL; return mapping.map_to; default: return -EINVAL; } } int smu_cmn_feature_is_supported(struct smu_context *smu, enum smu_feature_mask mask) { struct smu_feature *feature = &smu->smu_feature; int feature_id; int ret = 0; feature_id = smu_cmn_to_asic_specific_index(smu, CMN2ASIC_MAPPING_FEATURE, mask); if (feature_id < 0) return 0; WARN_ON(feature_id > feature->feature_num); mutex_lock(&feature->mutex); ret = test_bit(feature_id, feature->supported); mutex_unlock(&feature->mutex); return ret; } int smu_cmn_feature_is_enabled(struct smu_context *smu, enum smu_feature_mask mask) { struct smu_feature *feature = &smu->smu_feature; int feature_id; int ret = 0; if (smu->is_apu) return 1; feature_id = smu_cmn_to_asic_specific_index(smu, CMN2ASIC_MAPPING_FEATURE, mask); if (feature_id < 0) return 0; WARN_ON(feature_id > feature->feature_num); mutex_lock(&feature->mutex); ret = test_bit(feature_id, feature->enabled); mutex_unlock(&feature->mutex); return ret; } bool smu_cmn_clk_dpm_is_enabled(struct smu_context *smu, enum smu_clk_type clk_type) { enum smu_feature_mask feature_id = 0; switch (clk_type) { case SMU_MCLK: case SMU_UCLK: feature_id = SMU_FEATURE_DPM_UCLK_BIT; break; case SMU_GFXCLK: case SMU_SCLK: feature_id = SMU_FEATURE_DPM_GFXCLK_BIT; break; case SMU_SOCCLK: feature_id = SMU_FEATURE_DPM_SOCCLK_BIT; break; default: return true; } if (!smu_cmn_feature_is_enabled(smu, feature_id)) return false; return true; } int smu_cmn_get_enabled_mask(struct smu_context *smu, uint32_t *feature_mask, uint32_t num) { uint32_t feature_mask_high = 0, feature_mask_low = 0; struct smu_feature *feature = &smu->smu_feature; int ret = 0; if (!feature_mask || num < 2) return -EINVAL; if (bitmap_empty(feature->enabled, feature->feature_num)) { ret = smu_cmn_send_smc_msg(smu, SMU_MSG_GetEnabledSmuFeaturesHigh, &feature_mask_high); if (ret) return ret; ret = smu_cmn_send_smc_msg(smu, SMU_MSG_GetEnabledSmuFeaturesLow, &feature_mask_low); if (ret) return ret; feature_mask[0] = feature_mask_low; feature_mask[1] = feature_mask_high; } else { bitmap_copy((unsigned long *)feature_mask, feature->enabled, feature->feature_num); } return ret; } int smu_cmn_feature_update_enable_state(struct smu_context *smu, uint64_t feature_mask, bool enabled) { struct smu_feature *feature = &smu->smu_feature; int ret = 0; if (enabled) { ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_EnableSmuFeaturesLow, lower_32_bits(feature_mask), NULL); if (ret) return ret; ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_EnableSmuFeaturesHigh, upper_32_bits(feature_mask), NULL); if (ret) return ret; } else { ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_DisableSmuFeaturesLow, lower_32_bits(feature_mask), NULL); if (ret) return ret; ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_DisableSmuFeaturesHigh, upper_32_bits(feature_mask), NULL); if (ret) return ret; } mutex_lock(&feature->mutex); if (enabled) bitmap_or(feature->enabled, feature->enabled, (unsigned long *)(&feature_mask), SMU_FEATURE_MAX); else bitmap_andnot(feature->enabled, feature->enabled, (unsigned long *)(&feature_mask), SMU_FEATURE_MAX); mutex_unlock(&feature->mutex); return ret; } int smu_cmn_feature_set_enabled(struct smu_context *smu, enum smu_feature_mask mask, bool enable) { struct smu_feature *feature = &smu->smu_feature; int feature_id; feature_id = smu_cmn_to_asic_specific_index(smu, CMN2ASIC_MAPPING_FEATURE, mask); if (feature_id < 0) return -EINVAL; WARN_ON(feature_id > feature->feature_num); return smu_cmn_feature_update_enable_state(smu, 1ULL << feature_id, enable); } #undef __SMU_DUMMY_MAP #define __SMU_DUMMY_MAP(fea) #fea static const char* __smu_feature_names[] = { SMU_FEATURE_MASKS }; static const char *smu_get_feature_name(struct smu_context *smu, enum smu_feature_mask feature) { if (feature < 0 || feature >= SMU_FEATURE_COUNT) return "unknown smu feature"; return __smu_feature_names[feature]; } size_t smu_cmn_get_pp_feature_mask(struct smu_context *smu, char *buf) { uint32_t feature_mask[2] = { 0 }; int feature_index = 0; uint32_t count = 0; int8_t sort_feature[SMU_FEATURE_COUNT]; size_t size = 0; int ret = 0, i; ret = smu_cmn_get_enabled_mask(smu, feature_mask, 2); if (ret) return 0; size = sprintf(buf + size, "features high: 0x%08x low: 0x%08x\n", feature_mask[1], feature_mask[0]); memset(sort_feature, -1, sizeof(sort_feature)); for (i = 0; i < SMU_FEATURE_COUNT; i++) { feature_index = smu_cmn_to_asic_specific_index(smu, CMN2ASIC_MAPPING_FEATURE, i); if (feature_index < 0) continue; sort_feature[feature_index] = i; } size += sprintf(buf + size, "%-2s. %-20s %-3s : %-s\n", "No", "Feature", "Bit", "State"); for (i = 0; i < SMU_FEATURE_COUNT; i++) { if (sort_feature[i] < 0) continue; size += sprintf(buf + size, "%02d. %-20s (%2d) : %s\n", count++, smu_get_feature_name(smu, sort_feature[i]), i, !!smu_cmn_feature_is_enabled(smu, sort_feature[i]) ? "enabled" : "disabled"); } return size; } int smu_cmn_set_pp_feature_mask(struct smu_context *smu, uint64_t new_mask) { int ret = 0; uint32_t feature_mask[2] = { 0 }; uint64_t feature_2_enabled = 0; uint64_t feature_2_disabled = 0; uint64_t feature_enables = 0; ret = smu_cmn_get_enabled_mask(smu, feature_mask, 2); if (ret) return ret; feature_enables = ((uint64_t)feature_mask[1] << 32 | (uint64_t)feature_mask[0]); feature_2_enabled = ~feature_enables & new_mask; feature_2_disabled = feature_enables & ~new_mask; if (feature_2_enabled) { ret = smu_cmn_feature_update_enable_state(smu, feature_2_enabled, true); if (ret) return ret; } if (feature_2_disabled) { ret = smu_cmn_feature_update_enable_state(smu, feature_2_disabled, false); if (ret) return ret; } return ret; } int smu_cmn_disable_all_features_with_exception(struct smu_context *smu, enum smu_feature_mask mask) { uint64_t features_to_disable = U64_MAX; int skipped_feature_id; skipped_feature_id = smu_cmn_to_asic_specific_index(smu, CMN2ASIC_MAPPING_FEATURE, mask); if (skipped_feature_id < 0) return -EINVAL; features_to_disable &= ~(1ULL << skipped_feature_id); return smu_cmn_feature_update_enable_state(smu, features_to_disable, 0); } int smu_cmn_get_smc_version(struct smu_context *smu, uint32_t *if_version, uint32_t *smu_version) { int ret = 0; if (!if_version && !smu_version) return -EINVAL; if (smu->smc_fw_if_version && smu->smc_fw_version) { if (if_version) *if_version = smu->smc_fw_if_version; if (smu_version) *smu_version = smu->smc_fw_version; return 0; } if (if_version) { ret = smu_cmn_send_smc_msg(smu, SMU_MSG_GetDriverIfVersion, if_version); if (ret) return ret; smu->smc_fw_if_version = *if_version; } if (smu_version) { ret = smu_cmn_send_smc_msg(smu, SMU_MSG_GetSmuVersion, smu_version); if (ret) return ret; smu->smc_fw_version = *smu_version; } return ret; } int smu_cmn_update_table(struct smu_context *smu, enum smu_table_id table_index, int argument, void *table_data, bool drv2smu) { struct smu_table_context *smu_table = &smu->smu_table; struct amdgpu_device *adev = smu->adev; struct smu_table *table = &smu_table->driver_table; int table_id = smu_cmn_to_asic_specific_index(smu, CMN2ASIC_MAPPING_TABLE, table_index); uint32_t table_size; int ret = 0; if (!table_data || table_id >= SMU_TABLE_COUNT || table_id < 0) return -EINVAL; table_size = smu_table->tables[table_index].size; if (drv2smu) { memcpy(table->cpu_addr, table_data, table_size); /* * Flush hdp cache: to guard the content seen by * GPU is consitent with CPU. */ amdgpu_asic_flush_hdp(adev, NULL); } ret = smu_cmn_send_smc_msg_with_param(smu, drv2smu ? SMU_MSG_TransferTableDram2Smu : SMU_MSG_TransferTableSmu2Dram, table_id | ((argument & 0xFFFF) << 16), NULL); if (ret) return ret; if (!drv2smu) { amdgpu_asic_flush_hdp(adev, NULL); memcpy(table_data, table->cpu_addr, table_size); } return 0; } int smu_cmn_write_watermarks_table(struct smu_context *smu) { void *watermarks_table = smu->smu_table.watermarks_table; if (!watermarks_table) return -EINVAL; return smu_cmn_update_table(smu, SMU_TABLE_WATERMARKS, 0, watermarks_table, true); } int smu_cmn_write_pptable(struct smu_context *smu) { void *pptable = smu->smu_table.driver_pptable; return smu_cmn_update_table(smu, SMU_TABLE_PPTABLE, 0, pptable, true); } int smu_cmn_get_metrics_table_locked(struct smu_context *smu, void *metrics_table, bool bypass_cache) { struct smu_table_context *smu_table= &smu->smu_table; uint32_t table_size = smu_table->tables[SMU_TABLE_SMU_METRICS].size; int ret = 0; if (bypass_cache || !smu_table->metrics_time || time_after(jiffies, smu_table->metrics_time + msecs_to_jiffies(1))) { ret = smu_cmn_update_table(smu, SMU_TABLE_SMU_METRICS, 0, smu_table->metrics_table, false); if (ret) { dev_info(smu->adev->dev, "Failed to export SMU metrics table!\n"); return ret; } smu_table->metrics_time = jiffies; } if (metrics_table) memcpy(metrics_table, smu_table->metrics_table, table_size); return 0; } int smu_cmn_get_metrics_table(struct smu_context *smu, void *metrics_table, bool bypass_cache) { int ret = 0; mutex_lock(&smu->metrics_lock); ret = smu_cmn_get_metrics_table_locked(smu, metrics_table, bypass_cache); mutex_unlock(&smu->metrics_lock); return ret; }