diff --git a/drivers/platform/x86/amd/pmf/core.c b/drivers/platform/x86/amd/pmf/core.c index 87a1f9b27d2c..5f09458abb9c 100644 --- a/drivers/platform/x86/amd/pmf/core.c +++ b/drivers/platform/x86/amd/pmf/core.c @@ -47,6 +47,11 @@ #define DELAY_MIN_US 2000 #define DELAY_MAX_US 3000 +/* override Metrics Table sample size time (in ms) */ +static int metrics_table_loop_ms = 1000; +module_param(metrics_table_loop_ms, int, 0644); +MODULE_PARM_DESC(metrics_table_loop_ms, "Metrics Table sample size time (default = 1000ms)"); + static int current_power_limits_show(struct seq_file *seq, void *unused) { struct amd_pmf_dev *dev = seq->private; @@ -88,6 +93,25 @@ int amd_pmf_get_power_source(void) return POWER_SOURCE_DC; } +static void amd_pmf_get_metrics(struct work_struct *work) +{ + struct amd_pmf_dev *dev = container_of(work, struct amd_pmf_dev, work_buffer.work); + ktime_t time_elapsed_ms; + int socket_power; + + /* Transfer table contents */ + memset(dev->buf, 0, sizeof(dev->m_table)); + amd_pmf_send_cmd(dev, SET_TRANSFER_TABLE, 0, 7, NULL); + memcpy(&dev->m_table, dev->buf, sizeof(dev->m_table)); + + time_elapsed_ms = ktime_to_ms(ktime_get()) - dev->start_time; + /* Calculate the avg SoC power consumption */ + socket_power = dev->m_table.apu_power + dev->m_table.dgpu_power; + + dev->start_time = ktime_to_ms(ktime_get()); + schedule_delayed_work(&dev->work_buffer, msecs_to_jiffies(metrics_table_loop_ms)); +} + static inline u32 amd_pmf_reg_read(struct amd_pmf_dev *dev, int reg_offset) { return ioread32(dev->regbase + reg_offset); @@ -181,6 +205,34 @@ static const struct pci_device_id pmf_pci_ids[] = { { } }; +int amd_pmf_init_metrics_table(struct amd_pmf_dev *dev) +{ + u64 phys_addr; + u32 hi, low; + + INIT_DELAYED_WORK(&dev->work_buffer, amd_pmf_get_metrics); + + /* Get Metrics Table Address */ + dev->buf = kzalloc(sizeof(dev->m_table), GFP_KERNEL); + if (!dev->buf) + return -ENOMEM; + + phys_addr = virt_to_phys(dev->buf); + hi = phys_addr >> 32; + low = phys_addr & GENMASK(31, 0); + + amd_pmf_send_cmd(dev, SET_DRAM_ADDR_HIGH, 0, hi, NULL); + amd_pmf_send_cmd(dev, SET_DRAM_ADDR_LOW, 0, low, NULL); + + /* + * Start collecting the metrics data after a small delay + * or else, we might end up getting stale values from PMFW. + */ + schedule_delayed_work(&dev->work_buffer, msecs_to_jiffies(metrics_table_loop_ms * 3)); + + return 0; +} + static void amd_pmf_init_features(struct amd_pmf_dev *dev) { /* Enable Static Slider */ diff --git a/drivers/platform/x86/amd/pmf/pmf.h b/drivers/platform/x86/amd/pmf/pmf.h index 3c64903d67d3..09353f3f948d 100644 --- a/drivers/platform/x86/amd/pmf/pmf.h +++ b/drivers/platform/x86/amd/pmf/pmf.h @@ -67,6 +67,41 @@ struct apmf_fan_idx { u32 fan_ctl_idx; } __packed; +struct smu_pmf_metrics { + u16 gfxclk_freq; /* in MHz */ + u16 socclk_freq; /* in MHz */ + u16 vclk_freq; /* in MHz */ + u16 dclk_freq; /* in MHz */ + u16 memclk_freq; /* in MHz */ + u16 spare; + u16 gfx_activity; /* in Centi */ + u16 uvd_activity; /* in Centi */ + u16 voltage[2]; /* in mV */ + u16 currents[2]; /* in mA */ + u16 power[2];/* in mW */ + u16 core_freq[8]; /* in MHz */ + u16 core_power[8]; /* in mW */ + u16 core_temp[8]; /* in centi-Celsius */ + u16 l3_freq; /* in MHz */ + u16 l3_temp; /* in centi-Celsius */ + u16 gfx_temp; /* in centi-Celsius */ + u16 soc_temp; /* in centi-Celsius */ + u16 throttler_status; + u16 current_socketpower; /* in mW */ + u16 stapm_orig_limit; /* in W */ + u16 stapm_cur_limit; /* in W */ + u32 apu_power; /* in mW */ + u32 dgpu_power; /* in mW */ + u16 vdd_tdc_val; /* in mA */ + u16 soc_tdc_val; /* in mA */ + u16 vdd_edc_val; /* in mA */ + u16 soc_edcv_al; /* in mA */ + u16 infra_cpu_maxfreq; /* in MHz */ + u16 infra_gfx_maxfreq; /* in MHz */ + u16 skin_temp; /* in centi-Celsius */ + u16 device_state; +} __packed; + enum amd_stt_skin_temp { STT_TEMP_APU, STT_TEMP_HS2, @@ -105,6 +140,9 @@ struct amd_pmf_dev { struct dentry *dbgfs_dir; int hb_interval; /* SBIOS heartbeat interval */ struct delayed_work heart_beat; + struct smu_pmf_metrics m_table; + struct delayed_work work_buffer; + ktime_t start_time; }; struct apmf_sps_prop_granular { @@ -138,6 +176,7 @@ int apmf_acpi_init(struct amd_pmf_dev *pmf_dev); void apmf_acpi_deinit(struct amd_pmf_dev *pmf_dev); int is_apmf_func_supported(struct amd_pmf_dev *pdev, unsigned long index); int amd_pmf_send_cmd(struct amd_pmf_dev *dev, u8 message, bool get, u32 arg, u32 *data); +int amd_pmf_init_metrics_table(struct amd_pmf_dev *dev); int amd_pmf_get_power_source(void); /* SPS Layer */