diff options
| author |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2019-02-24 21:20:27 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2019-02-24 21:20:27 +0100 |
| commit | 656f72bb2ef33cd832a0f8e80893cce09f3d43df (patch) | |
| tree | 9770613baf50a704d50d3221c057b37ed0fc8730 /drivers/gpu | |
| parent | PM-runtime: Fix deadlock when canceling hrtimer (diff) | |
| parent | PM / core: Add support to skip power management in device/driver model (diff) | |
| download | linux-dev-656f72bb2ef33cd832a0f8e80893cce09f3d43df.tar.xz linux-dev-656f72bb2ef33cd832a0f8e80893cce09f3d43df.zip | |
Merge back earlier PM core material for v5.1.
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_pmu.c | 16 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_pmu.h | 4 |
2 files changed, 8 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c index 017fc602a10e..cf7c66bb3ed9 100644 --- a/drivers/gpu/drm/i915/i915_pmu.c +++ b/drivers/gpu/drm/i915/i915_pmu.c @@ -5,6 +5,7 @@ */ #include <linux/irq.h> +#include <linux/pm_runtime.h> #include "i915_pmu.h" #include "intel_ringbuffer.h" #include "i915_drv.h" @@ -478,7 +479,6 @@ static u64 get_rc6(struct drm_i915_private *i915) * counter value. */ spin_lock_irqsave(&i915->pmu.lock, flags); - spin_lock(&kdev->power.lock); /* * After the above branch intel_runtime_pm_get_if_in_use failed @@ -491,16 +491,13 @@ static u64 get_rc6(struct drm_i915_private *i915) * suspended and if not we cannot do better than report the last * known RC6 value. */ - if (kdev->power.runtime_status == RPM_SUSPENDED) { - if (!i915->pmu.sample[__I915_SAMPLE_RC6_ESTIMATED].cur) - i915->pmu.suspended_jiffies_last = - kdev->power.suspended_jiffies; + if (pm_runtime_status_suspended(kdev)) { + val = pm_runtime_suspended_time(kdev); - val = kdev->power.suspended_jiffies - - i915->pmu.suspended_jiffies_last; - val += jiffies - kdev->power.accounting_timestamp; + if (!i915->pmu.sample[__I915_SAMPLE_RC6_ESTIMATED].cur) + i915->pmu.suspended_time_last = val; - val = jiffies_to_nsecs(val); + val -= i915->pmu.suspended_time_last; val += i915->pmu.sample[__I915_SAMPLE_RC6].cur; i915->pmu.sample[__I915_SAMPLE_RC6_ESTIMATED].cur = val; @@ -510,7 +507,6 @@ static u64 get_rc6(struct drm_i915_private *i915) val = i915->pmu.sample[__I915_SAMPLE_RC6].cur; } - spin_unlock(&kdev->power.lock); spin_unlock_irqrestore(&i915->pmu.lock, flags); } diff --git a/drivers/gpu/drm/i915/i915_pmu.h b/drivers/gpu/drm/i915/i915_pmu.h index b3728c5f13e7..4fc4f2478301 100644 --- a/drivers/gpu/drm/i915/i915_pmu.h +++ b/drivers/gpu/drm/i915/i915_pmu.h @@ -97,9 +97,9 @@ struct i915_pmu { */ struct i915_pmu_sample sample[__I915_NUM_PMU_SAMPLERS]; /** - * @suspended_jiffies_last: Cached suspend time from PM core. + * @suspended_time_last: Cached suspend time from PM core. */ - unsigned long suspended_jiffies_last; + u64 suspended_time_last; /** * @i915_attr: Memory block holding device attributes. */ |