@@ -1979,7 +1979,7 @@ struct drm_i915_private {
* In order to reduce the effect on performance, there
* is a slight delay before we do so.
*/
- bool awake;
+ intel_wakeref_t awake;
/**
* The number of times we have woken up.
@@ -138,6 +138,8 @@ int i915_mutex_lock_interruptible(struct drm_device *dev)
static u32 __i915_gem_park(struct drm_i915_private *i915)
{
+ intel_wakeref_t wakeref;
+
GEM_TRACE("\n");
lockdep_assert_held(&i915->drm.struct_mutex);
@@ -168,14 +170,15 @@ static u32 __i915_gem_park(struct drm_i915_private *i915)
i915_pmu_gt_parked(i915);
i915_vma_parked(i915);
- i915->gt.awake = false;
+ wakeref = fetch_and_zero(&i915->gt.awake);
+ GEM_BUG_ON(!wakeref);
if (INTEL_GEN(i915) >= 6)
gen6_rps_idle(i915);
intel_display_power_put(i915, POWER_DOMAIN_GT_IRQ);
- intel_runtime_pm_put_unchecked(i915);
+ intel_runtime_pm_put(i915, wakeref);
return i915->gt.epoch;
}
@@ -204,7 +207,8 @@ void i915_gem_unpark(struct drm_i915_private *i915)
if (i915->gt.awake)
return;
- intel_runtime_pm_get_noresume(i915);
+ i915->gt.awake = intel_runtime_pm_get_noresume(i915);
+ GEM_BUG_ON(!i915->gt.awake);
/*
* It seems that the DMC likes to transition between the DC states a lot
@@ -219,7 +223,6 @@ void i915_gem_unpark(struct drm_i915_private *i915)
*/
intel_display_power_get(i915, POWER_DOMAIN_GT_IRQ);
- i915->gt.awake = true;
if (unlikely(++i915->gt.epoch == 0)) /* keep 0 as invalid */
i915->gt.epoch = 1;