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drm/nouveau/therm: remove ineffective workarounds for alarm bugs

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These were ineffective due to touching the list without the alarm lock,
but should no longer be required.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Ben Skeggs 2017-05-11 17:33:39 +10:00
parent 330bdf62fe
commit e4311ee51d
4 changed files with 4 additions and 4 deletions
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2
drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c
View File

@ -146,7 +146,7 @@ nvkm_therm_update(struct nvkm_therm *therm, int mode)
poll = false;
}
if (list_empty(&therm->alarm.head) && poll)
if (poll)
nvkm_timer_alarm(tmr, 1000000000ULL, &therm->alarm);
spin_unlock_irqrestore(&therm->lock, flags);

2
drivers/gpu/drm/nouveau/nvkm/subdev/therm/fan.c
View File

@ -83,7 +83,7 @@ nvkm_fan_update(struct nvkm_fan *fan, bool immediate, int target)
spin_unlock_irqrestore(&fan->lock, flags);
/* schedule next fan update, if not at target speed already */
if (list_empty(&fan->alarm.head) && target != duty) {
if (target != duty) {
u16 bump_period = fan->bios.bump_period;
u16 slow_down_period = fan->bios.slow_down_period;
u64 delay;

2
drivers/gpu/drm/nouveau/nvkm/subdev/therm/fantog.c
View File

@ -53,7 +53,7 @@ nvkm_fantog_update(struct nvkm_fantog *fan, int percent)
duty = !nvkm_gpio_get(gpio, 0, DCB_GPIO_FAN, 0xff);
nvkm_gpio_set(gpio, 0, DCB_GPIO_FAN, 0xff, duty);
if (list_empty(&fan->alarm.head) && percent != (duty * 100)) {
if (percent != (duty * 100)) {
u64 next_change = (percent * fan->period_us) / 100;
if (!duty)
next_change = fan->period_us - next_change;

2
drivers/gpu/drm/nouveau/nvkm/subdev/therm/temp.c
View File

@ -185,7 +185,7 @@ alarm_timer_callback(struct nvkm_alarm *alarm)
spin_unlock_irqrestore(&therm->sensor.alarm_program_lock, flags);
/* schedule the next poll in one second */
if (therm->func->temp_get(therm) >= 0 && list_empty(&alarm->head))
if (therm->func->temp_get(therm) >= 0)
nvkm_timer_alarm(tmr, 1000000000ULL, alarm);
}