diff options
author | Lorenzo Bianconi <lorenzo@kernel.org> | 2021-04-21 13:43:49 +0300 |
---|---|---|
committer | Felix Fietkau <nbd@nbd.name> | 2021-04-21 21:55:55 +0300 |
commit | abe912ae3cd42f95beeff8eb67acbe0ca8b8aedd (patch) | |
tree | 7b399a1656469622920b6357757366be24a26251 | |
parent | c18ba14c4bc953250aa497d03855592bd133ccde (diff) | |
download | linux-abe912ae3cd42f95beeff8eb67acbe0ca8b8aedd.tar.xz |
mt76: mt7663: add awake and doze time accounting
Similar to mt7921, introduce awake and doze time accounting
for runtime pm.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c | 32 | ||||
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/init.c | 2 | ||||
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 24 |
3 files changed, 52 insertions, 6 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c index 1b414220521a..676bb22726d6 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c @@ -69,6 +69,7 @@ static int mt7615_pm_set(void *data, u64 val) { struct mt7615_dev *dev = data; + struct mt76_connac_pm *pm = &dev->pm; int ret = 0; if (!mt7615_wait_for_mcu_init(dev)) @@ -77,6 +78,9 @@ mt7615_pm_set(void *data, u64 val) if (!mt7615_firmware_offload(dev) || !mt76_is_mmio(&dev->mt76)) return -EOPNOTSUPP; + if (val == pm->enable) + return 0; + mt7615_mutex_acquire(dev); if (dev->phy.n_beacon_vif) { @@ -84,7 +88,11 @@ mt7615_pm_set(void *data, u64 val) goto out; } - dev->pm.enable = val; + if (!pm->enable) { + pm->stats.last_wake_event = jiffies; + pm->stats.last_doze_event = jiffies; + } + pm->enable = val; out: mt7615_mutex_release(dev); @@ -104,6 +112,26 @@ mt7615_pm_get(void *data, u64 *val) DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7615_pm_get, mt7615_pm_set, "%lld\n"); static int +mt7615_pm_stats(struct seq_file *s, void *data) +{ + struct mt7615_dev *dev = dev_get_drvdata(s->private); + struct mt76_connac_pm *pm = &dev->pm; + unsigned long awake_time = pm->stats.awake_time; + unsigned long doze_time = pm->stats.doze_time; + + if (!test_bit(MT76_STATE_PM, &dev->mphy.state)) + awake_time += jiffies - pm->stats.last_wake_event; + else + doze_time += jiffies - pm->stats.last_doze_event; + + seq_printf(s, "awake time: %14u\ndoze time: %15u\n", + jiffies_to_msecs(awake_time), + jiffies_to_msecs(doze_time)); + + return 0; +} + +static int mt7615_pm_idle_timeout_set(void *data, u64 val) { struct mt7615_dev *dev = data; @@ -515,6 +543,8 @@ int mt7615_init_debugfs(struct mt7615_dev *dev) debugfs_create_file("runtime-pm", 0600, dir, dev, &fops_pm); debugfs_create_file("idle-timeout", 0600, dir, dev, &fops_pm_idle_timeout); + debugfs_create_devm_seqfile(dev->mt76.dev, "runtime_pm_stats", dir, + mt7615_pm_stats); debugfs_create_devm_seqfile(dev->mt76.dev, "radio", dir, mt7615_radio_read); diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c index 894b2588e075..86341d1f82f3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c @@ -526,6 +526,8 @@ void mt7615_init_device(struct mt7615_dev *dev) mt7615_init_wiphy(hw); dev->pm.idle_timeout = MT7615_PM_TIMEOUT; + dev->pm.stats.last_wake_event = jiffies; + dev->pm.stats.last_doze_event = jiffies; mt7615_cap_dbdc_disable(dev); dev->phy.dfs_state = -1; diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c index 45c6fb5832b8..3c1528ed2110 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c @@ -288,6 +288,7 @@ EXPORT_SYMBOL_GPL(mt7622_trigger_hif_int); static int mt7615_mcu_drv_pmctrl(struct mt7615_dev *dev) { struct mt76_phy *mphy = &dev->mt76.phy; + struct mt76_connac_pm *pm = &dev->pm; struct mt76_dev *mdev = &dev->mt76; u32 addr; int err; @@ -317,15 +318,20 @@ static int mt7615_mcu_drv_pmctrl(struct mt7615_dev *dev) clear_bit(MT76_STATE_PM, &mphy->state); + pm->stats.last_wake_event = jiffies; + pm->stats.doze_time += pm->stats.last_wake_event - + pm->stats.last_doze_event; + return 0; } static int mt7615_mcu_lp_drv_pmctrl(struct mt7615_dev *dev) { struct mt76_phy *mphy = &dev->mt76.phy; + struct mt76_connac_pm *pm = &dev->pm; int i, err = 0; - mutex_lock(&dev->pm.mutex); + mutex_lock(&pm->mutex); if (!test_bit(MT76_STATE_PM, &mphy->state)) goto out; @@ -344,8 +350,11 @@ static int mt7615_mcu_lp_drv_pmctrl(struct mt7615_dev *dev) } clear_bit(MT76_STATE_PM, &mphy->state); + pm->stats.last_wake_event = jiffies; + pm->stats.doze_time += pm->stats.last_wake_event - + pm->stats.last_doze_event; out: - mutex_unlock(&dev->pm.mutex); + mutex_unlock(&pm->mutex); return err; } @@ -353,12 +362,13 @@ out: static int mt7615_mcu_fw_pmctrl(struct mt7615_dev *dev) { struct mt76_phy *mphy = &dev->mt76.phy; + struct mt76_connac_pm *pm = &dev->pm; int err = 0; u32 addr; - mutex_lock(&dev->pm.mutex); + mutex_lock(&pm->mutex); - if (mt76_connac_skip_fw_pmctrl(mphy, &dev->pm)) + if (mt76_connac_skip_fw_pmctrl(mphy, pm)) goto out; mt7622_trigger_hif_int(dev, true); @@ -375,8 +385,12 @@ static int mt7615_mcu_fw_pmctrl(struct mt7615_dev *dev) } mt7622_trigger_hif_int(dev, false); + + pm->stats.last_doze_event = jiffies; + pm->stats.awake_time += pm->stats.last_doze_event - + pm->stats.last_wake_event; out: - mutex_unlock(&dev->pm.mutex); + mutex_unlock(&pm->mutex); return err; } |