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path: root/drivers/gpu/drm/i915/i915_pmu.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_pmu.c')
-rw-r--r--drivers/gpu/drm/i915/i915_pmu.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
index 962ded9ce73f..9792220ddbe2 100644
--- a/drivers/gpu/drm/i915/i915_pmu.c
+++ b/drivers/gpu/drm/i915/i915_pmu.c
@@ -441,8 +441,10 @@ static u64 count_interrupts(struct drm_i915_private *i915)
static void i915_pmu_event_destroy(struct perf_event *event)
{
- WARN_ON(event->parent);
- module_put(THIS_MODULE);
+ struct drm_i915_private *i915 =
+ container_of(event->pmu, typeof(*i915), pmu.base);
+
+ drm_WARN_ON(&i915->drm, event->parent);
}
static int
@@ -534,10 +536,8 @@ static int i915_pmu_event_init(struct perf_event *event)
if (ret)
return ret;
- if (!event->parent) {
- __module_get(THIS_MODULE);
+ if (!event->parent)
event->destroy = i915_pmu_event_destroy;
- }
return 0;
}
@@ -1058,8 +1058,10 @@ static int i915_pmu_register_cpuhp_state(struct i915_pmu *pmu)
static void i915_pmu_unregister_cpuhp_state(struct i915_pmu *pmu)
{
- WARN_ON(pmu->cpuhp.slot == CPUHP_INVALID);
- WARN_ON(cpuhp_state_remove_instance(pmu->cpuhp.slot, &pmu->cpuhp.node));
+ struct drm_i915_private *i915 = container_of(pmu, typeof(*i915), pmu);
+
+ drm_WARN_ON(&i915->drm, pmu->cpuhp.slot == CPUHP_INVALID);
+ drm_WARN_ON(&i915->drm, cpuhp_state_remove_instance(pmu->cpuhp.slot, &pmu->cpuhp.node));
cpuhp_remove_multi_state(pmu->cpuhp.slot);
pmu->cpuhp.slot = CPUHP_INVALID;
}
@@ -1121,6 +1123,7 @@ void i915_pmu_register(struct drm_i915_private *i915)
if (!pmu->base.attr_groups)
goto err_attr;
+ pmu->base.module = THIS_MODULE;
pmu->base.task_ctx_nr = perf_invalid_context;
pmu->base.event_init = i915_pmu_event_init;
pmu->base.add = i915_pmu_event_add;