From edd7942085555cbf8da50c855f35b3fb84606c38 Mon Sep 17 00:00:00 2001 From: "Stanley.Yang" Date: Tue, 16 Nov 2021 21:07:56 +0800 Subject: [PATCH] drm/amd/pm: add message smu to get ecc_table v2 support ECC TABLE message, this table include umc ras error count and error address v2: add smu version check to query whether support ecctable call smu_cmn_update_table to get ecctable directly Signed-off-by: Stanley.Yang Reviewed-by: Evan Quan Reviewed-by: Lijo Lazar Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h | 8 +++ drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 14 ++++ .../drm/amd/pm/swsmu/smu13/aldebaran_ppt.c | 72 +++++++++++++++++++ .../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c | 2 + 4 files changed, 96 insertions(+) diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h index 3557f4e7fc30..7a06021a58f0 100644 --- a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h @@ -324,6 +324,7 @@ enum smu_table_id SMU_TABLE_OVERDRIVE, SMU_TABLE_I2C_COMMANDS, SMU_TABLE_PACE, + SMU_TABLE_ECCINFO, SMU_TABLE_COUNT, }; @@ -340,6 +341,7 @@ struct smu_table_context void *max_sustainable_clocks; struct smu_bios_boot_up_values boot_values; void *driver_pptable; + void *ecc_table; struct smu_table tables[SMU_TABLE_COUNT]; /* * The driver table is just a staging buffer for @@ -1261,6 +1263,11 @@ struct pptable_funcs { * of SMUBUS table. */ int (*send_hbm_bad_pages_num)(struct smu_context *smu, uint32_t size); + + /** + * @get_ecc_table: message SMU to get ECC INFO table. + */ + ssize_t (*get_ecc_info)(struct smu_context *smu, void *table); }; typedef enum { @@ -1397,6 +1404,7 @@ int smu_set_light_sbr(struct smu_context *smu, bool enable); int smu_wait_for_event(struct amdgpu_device *adev, enum smu_event_type event, uint64_t event_arg); +int smu_get_ecc_info(struct smu_context *smu, void *umc_ecc); #endif #endif diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index 01168b8955bf..fd3b6b460b12 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -3072,6 +3072,20 @@ int smu_set_light_sbr(struct smu_context *smu, bool enable) return ret; } +int smu_get_ecc_info(struct smu_context *smu, void *umc_ecc) +{ + int ret = -EOPNOTSUPP; + + mutex_lock(&smu->mutex); + if (smu->ppt_funcs && + smu->ppt_funcs->get_ecc_info) + ret = smu->ppt_funcs->get_ecc_info(smu, umc_ecc); + mutex_unlock(&smu->mutex); + + return ret; + +} + static int smu_get_prv_buffer_details(void *handle, void **addr, size_t *size) { struct smu_context *smu = handle; diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c index f835d86cc2f5..6e781cee8bb6 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c @@ -78,6 +78,12 @@ #define smnPCIE_ESM_CTRL 0x111003D0 +/* + * SMU support ECCTABLE since version 68.42.0, + * use this to check ECCTALE feature whether support + */ +#define SUPPORT_ECCTABLE_SMU_VERSION 0x00442a00 + static const struct smu_temperature_range smu13_thermal_policy[] = { {-273150, 99000, 99000, -273150, 99000, 99000, -273150, 99000, 99000}, @@ -190,6 +196,7 @@ static const struct cmn2asic_mapping aldebaran_table_map[SMU_TABLE_COUNT] = { TAB_MAP(SMU_METRICS), TAB_MAP(DRIVER_SMU_CONFIG), TAB_MAP(I2C_COMMANDS), + TAB_MAP(ECCINFO), }; static const uint8_t aldebaran_throttler_map[] = { @@ -223,6 +230,9 @@ static int aldebaran_tables_init(struct smu_context *smu) SMU_TABLE_INIT(tables, SMU_TABLE_I2C_COMMANDS, sizeof(SwI2cRequest_t), PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM); + SMU_TABLE_INIT(tables, SMU_TABLE_ECCINFO, sizeof(EccInfoTable_t), + PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM); + smu_table->metrics_table = kzalloc(sizeof(SmuMetrics_t), GFP_KERNEL); if (!smu_table->metrics_table) return -ENOMEM; @@ -235,6 +245,10 @@ static int aldebaran_tables_init(struct smu_context *smu) return -ENOMEM; } + smu_table->ecc_table = kzalloc(tables[SMU_TABLE_ECCINFO].size, GFP_KERNEL); + if (!smu_table->ecc_table) + return -ENOMEM; + return 0; } @@ -1765,6 +1779,63 @@ static ssize_t aldebaran_get_gpu_metrics(struct smu_context *smu, return sizeof(struct gpu_metrics_v1_3); } +static int aldebaran_check_ecc_table_support(struct smu_context *smu) +{ + uint32_t if_version = 0xff, smu_version = 0xff; + int ret = 0; + + ret = smu_cmn_get_smc_version(smu, &if_version, &smu_version); + if (ret) { + /* return not support if failed get smu_version */ + ret = -EOPNOTSUPP; + } + + if (smu_version < SUPPORT_ECCTABLE_SMU_VERSION) + ret = -EOPNOTSUPP; + + return ret; +} + +static ssize_t aldebaran_get_ecc_info(struct smu_context *smu, + void *table) +{ + struct smu_table_context *smu_table = &smu->smu_table; + EccInfoTable_t *ecc_table = NULL; + struct ecc_info_per_ch *ecc_info_per_channel = NULL; + int i, ret = 0; + struct umc_ecc_info *eccinfo = (struct umc_ecc_info *)table; + + ret = aldebaran_check_ecc_table_support(smu); + if (ret) + return ret; + + ret = smu_cmn_update_table(smu, + SMU_TABLE_ECCINFO, + 0, + smu_table->ecc_table, + false); + if (ret) { + dev_info(smu->adev->dev, "Failed to export SMU ecc table!\n"); + return ret; + } + + ecc_table = (EccInfoTable_t *)smu_table->ecc_table; + + for (i = 0; i < ALDEBARAN_UMC_CHANNEL_NUM; i++) { + ecc_info_per_channel = &(eccinfo->ecc[i]); + ecc_info_per_channel->ce_count_lo_chip = + ecc_table->EccInfo[i].ce_count_lo_chip; + ecc_info_per_channel->ce_count_hi_chip = + ecc_table->EccInfo[i].ce_count_hi_chip; + ecc_info_per_channel->mca_umc_status = + ecc_table->EccInfo[i].mca_umc_status; + ecc_info_per_channel->mca_umc_addr = + ecc_table->EccInfo[i].mca_umc_addr; + } + + return ret; +} + static int aldebaran_mode1_reset(struct smu_context *smu) { u32 smu_version, fatal_err, param; @@ -1967,6 +2038,7 @@ static const struct pptable_funcs aldebaran_ppt_funcs = { .i2c_init = aldebaran_i2c_control_init, .i2c_fini = aldebaran_i2c_control_fini, .send_hbm_bad_pages_num = aldebaran_smu_send_hbm_bad_page_num, + .get_ecc_info = aldebaran_get_ecc_info, }; void aldebaran_set_ppt_funcs(struct smu_context *smu) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c index 4d96099a9bb1..55421ea622fb 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c @@ -428,8 +428,10 @@ int smu_v13_0_fini_smc_tables(struct smu_context *smu) kfree(smu_table->hardcode_pptable); smu_table->hardcode_pptable = NULL; + kfree(smu_table->ecc_table); kfree(smu_table->metrics_table); kfree(smu_table->watermarks_table); + smu_table->ecc_table = NULL; smu_table->metrics_table = NULL; smu_table->watermarks_table = NULL; smu_table->metrics_time = 0; -- 2.25.1