From: Lijo Lazar <lijo.lazar@xxxxxxx> Instead of accumulated counters, PMFW will pass the throttle reason along with throttle interrupt. Use that context information to report the exact reason for throttling. Signed-off-by: Lijo Lazar <lijo.lazar@xxxxxxx> Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx> --- .../drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c | 93 +++++++++---------- 1 file changed, 45 insertions(+), 48 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c index 41b49cc827cd..b9f32e0364db 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c @@ -172,17 +172,12 @@ static const struct cmn2asic_mapping smu_v13_0_6_table_map[SMU_TABLE_COUNT] = { TAB_MAP(I2C_COMMANDS), }; -#define THROTTLER_PROCHOT_GFX_BIT 0 -#define THROTTLER_PPT_BIT 1 -#define THROTTLER_TEMP_SOC_BIT 2 -#define THROTTLER_TEMP_VR_GFX_BIT 3 - static const uint8_t smu_v13_0_6_throttler_map[] = { [THROTTLER_PPT_BIT] = (SMU_THROTTLER_PPT0_BIT), - [THROTTLER_TEMP_SOC_BIT] = (SMU_THROTTLER_TEMP_GPU_BIT), - [THROTTLER_TEMP_HBM_BIT] = (SMU_THROTTLER_TEMP_MEM_BIT), - [THROTTLER_TEMP_VR_GFX_BIT] = (SMU_THROTTLER_TEMP_VR_GFX_BIT), - [THROTTLER_PROCHOT_GFX_BIT] = (SMU_THROTTLER_PROCHOT_GFX_BIT), + [THROTTLER_THERMAL_SOCKET_BIT] = (SMU_THROTTLER_TEMP_GPU_BIT), + [THROTTLER_THERMAL_HBM_BIT] = (SMU_THROTTLER_TEMP_MEM_BIT), + [THROTTLER_THERMAL_VR_BIT] = (SMU_THROTTLER_TEMP_VR_GFX_BIT), + [THROTTLER_PROCHOT_BIT] = (SMU_THROTTLER_PROCHOT_GFX_BIT), }; struct PPTable_t { @@ -640,16 +635,14 @@ static int smu_v13_0_6_freqs_in_same_level(int32_t frequency1, return (abs(frequency1 - frequency2) <= EPSILON); } -static uint32_t smu_v13_0_6_get_throttler_status(struct smu_context *smu, - MetricsTable_t *metrics) +static uint32_t smu_v13_0_6_get_throttler_status(struct smu_context *smu) { + struct smu_power_context *smu_power = &smu->smu_power; + struct smu_13_0_power_context *power_context = smu_power->power_context; uint32_t throttler_status = 0; - throttler_status |= metrics->ProchotResidencyAcc > 0 ? 1U << THROTTLER_PROCHOT_GFX_BIT : 0; - throttler_status |= metrics->PptResidencyAcc > 0 ? 1U << THROTTLER_PPT_BIT : 0; - throttler_status |= metrics->SocketThmResidencyAcc > 0 ? 1U << THROTTLER_TEMP_SOC_BIT : 0; - throttler_status |= metrics->VrThmResidencyAcc > 0 ? 1U << THROTTLER_TEMP_VR_GFX_BIT : 0; - throttler_status |= metrics->HbmThmResidencyAcc > 0 ? 1U << THROTTLER_TEMP_HBM_BIT : 0; + throttler_status = atomic_read(&power_context->throttle_status); + dev_dbg(smu->adev->dev, "SMU Throttler status: %u", throttler_status); return throttler_status; } @@ -719,9 +712,6 @@ static int smu_v13_0_6_get_smu_metrics_data(struct smu_context *smu, case METRICS_TEMPERATURE_VRSOC: *value = SMUQ10_TO_UINT(metrics->MaxVrTemperature); break; - case METRICS_THROTTLER_STATUS: - *value = smu_v13_0_6_get_throttler_status(smu, metrics); - break; default: *value = UINT_MAX; break; @@ -1288,13 +1278,11 @@ static int smu_v13_0_6_irq_process(struct amdgpu_device *adev, struct amdgpu_iv_entry *entry) { struct smu_context *smu = adev->powerplay.pp_handle; + struct smu_power_context *smu_power = &smu->smu_power; + struct smu_13_0_power_context *power_context = smu_power->power_context; uint32_t client_id = entry->client_id; - uint32_t src_id = entry->src_id; - /* - * ctxid is used to distinguish different - * events for SMCToHost interrupt - */ uint32_t ctxid = entry->src_data[0]; + uint32_t src_id = entry->src_id; uint32_t data; if (client_id == SOC15_IH_CLIENTID_MP1) { @@ -1303,7 +1291,10 @@ static int smu_v13_0_6_irq_process(struct amdgpu_device *adev, data = RREG32_SOC15(MP1, 0, regMP1_SMN_IH_SW_INT_CTRL); data = REG_SET_FIELD(data, MP1_SMN_IH_SW_INT_CTRL, INT_ACK, 1); WREG32_SOC15(MP1, 0, regMP1_SMN_IH_SW_INT_CTRL, data); - + /* + * ctxid is used to distinguish different events for SMCToHost + * interrupt. + */ switch (ctxid) { case IH_INTERRUPT_CONTEXT_ID_THERMAL_THROTTLING: /* @@ -1314,8 +1305,17 @@ static int smu_v13_0_6_irq_process(struct amdgpu_device *adev, if (!atomic_read(&adev->throttling_logging_enabled)) return 0; - if (__ratelimit(&adev->throttling_logging_rs)) + /* This uses the new method which fixes the + * incorrect throttling status reporting + * through metrics table. For older FWs, + * it will be ignored. + */ + if (__ratelimit(&adev->throttling_logging_rs)) { + atomic_set( + &power_context->throttle_status, + entry->src_data[1]); schedule_work(&smu->throttling_logging_work); + } break; } @@ -1893,37 +1893,35 @@ static int smu_v13_0_6_allow_xgmi_power_down(struct smu_context *smu, bool en) en ? 0 : 1, NULL); } -static const struct throttling_logging_label { - uint32_t feature_mask; - const char *label; -} logging_label[] = { - { (1U << THROTTLER_TEMP_HBM_BIT), "HBM" }, - { (1U << THROTTLER_TEMP_SOC_BIT), "SOC" }, - { (1U << THROTTLER_TEMP_VR_GFX_BIT), "VR limit" }, +static const char *const throttling_logging_label[] = { + [THROTTLER_PROCHOT_BIT] = "Prochot", + [THROTTLER_PPT_BIT] = "PPT", + [THROTTLER_THERMAL_SOCKET_BIT] = "SOC", + [THROTTLER_THERMAL_VR_BIT] = "VR", + [THROTTLER_THERMAL_HBM_BIT] = "HBM" }; + static void smu_v13_0_6_log_thermal_throttling_event(struct smu_context *smu) { - int ret; int throttler_idx, throtting_events = 0, buf_idx = 0; struct amdgpu_device *adev = smu->adev; uint32_t throttler_status; char log_buf[256]; - ret = smu_v13_0_6_get_smu_metrics_data(smu, METRICS_THROTTLER_STATUS, - &throttler_status); - if (ret) + throttler_status = smu_v13_0_6_get_throttler_status(smu); + if (!throttler_status) return; memset(log_buf, 0, sizeof(log_buf)); - for (throttler_idx = 0; throttler_idx < ARRAY_SIZE(logging_label); + for (throttler_idx = 0; + throttler_idx < ARRAY_SIZE(throttling_logging_label); throttler_idx++) { - if (throttler_status & - logging_label[throttler_idx].feature_mask) { + if (throttler_status & (1U << throttler_idx)) { throtting_events++; - buf_idx += snprintf(log_buf + buf_idx, - sizeof(log_buf) - buf_idx, "%s%s", - throtting_events > 1 ? " and " : "", - logging_label[throttler_idx].label); + buf_idx += snprintf( + log_buf + buf_idx, sizeof(log_buf) - buf_idx, + "%s%s", throtting_events > 1 ? " and " : "", + throttling_logging_label[throttler_idx]); if (buf_idx >= sizeof(log_buf)) { dev_err(adev->dev, "buffer overflow!\n"); log_buf[sizeof(log_buf) - 1] = '\0'; @@ -1932,10 +1930,9 @@ static void smu_v13_0_6_log_thermal_throttling_event(struct smu_context *smu) } } - dev_warn( - adev->dev, - "WARN: GPU thermal throttling temperature reached, expect performance decrease. %s.\n", - log_buf); + dev_warn(adev->dev, + "WARN: GPU is throttled, expect performance decrease. %s.\n", + log_buf); kgd2kfd_smi_event_throttle( smu->adev->kfd.dev, smu_cmn_get_indep_throttler_status(throttler_status, -- 2.34.1