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mt76: mt7663: add awake and doze time accounting

Browse source 
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>
This commit is contained in:
Lorenzo Bianconi 2021-04-21 12:43:49 +02:00 committed by Felix Fietkau
parent c18ba14c4b
commit abe912ae3c
3 changed files with 52 additions and 6 deletions
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32
drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
View file

@ -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);
@ -103,6 +111,26 @@ 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)
{
@ -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);

2
drivers/net/wireless/mediatek/mt76/mt7615/init.c
View file

@ -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;

24
drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
View file

@ -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 @@ static int mt7615_mcu_lp_drv_pmctrl(struct mt7615_dev *dev)
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;
}