[PATCH 3/7] drm/i915/pmu: Use event_to_pmu()

[Lucas De Marchi <lucas.demarchi@intel.com>]

i915 pointer is not needed in this function and all the others simply
calculate the i915_pmu container based on the event->pmu. Follow the
same logic as in other functions.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
 drivers/gpu/drm/i915/i915_pmu.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
index cb5f6471ec6e..3a8bd11b87e7 100644
--- a/drivers/gpu/drm/i915/i915_pmu.c
+++ b/drivers/gpu/drm/i915/i915_pmu.c
@@ -820,15 +820,14 @@ static void i915_pmu_event_start(struct perf_event *event, int flags)
 
 static void i915_pmu_event_stop(struct perf_event *event, int flags)
 {
-	struct drm_i915_private *i915 =
-		container_of(event->pmu, typeof(*i915), pmu.base);
-	struct i915_pmu *pmu = &i915->pmu;
+	struct i915_pmu *pmu = event_to_pmu(event);
 
 	if (pmu->closed)
 		goto out;
 
 	if (flags & PERF_EF_UPDATE)
 		i915_pmu_event_read(event);
+
 	i915_pmu_disable(event);
 
 out:
-- 
2.43.0