[Intel-gfx] [PATCH 3/3] drm/i915/pmu: rearrange hrtimer pointer chasing

Jani Nikula jani.nikula at intel.com
Mon Oct 23 15:02:56 UTC 2023


Do the logical step of first getting from struct hrtimer to struct
i915_pmu, and then from struct i915_pmu to struct drm_i915_private,
instead of hrtimer->i915->pmu.

Signed-off-by: Jani Nikula <jani.nikula at 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 d45b40ec6d47..2a24eacd1b40 100644
--- a/drivers/gpu/drm/i915/i915_pmu.c
+++ b/drivers/gpu/drm/i915/i915_pmu.c
@@ -478,9 +478,8 @@ frequency_sample(struct intel_gt *gt, unsigned int period_ns)
 
 static enum hrtimer_restart i915_sample(struct hrtimer *hrtimer)
 {
-	struct drm_i915_private *i915 =
-		container_of(hrtimer, struct drm_i915_private, pmu.timer);
-	struct i915_pmu *pmu = &i915->pmu;
+	struct i915_pmu *pmu = container_of(hrtimer, struct i915_pmu, timer);
+	struct drm_i915_private *i915 = pmu_to_i915(pmu);
 	unsigned int period_ns;
 	struct intel_gt *gt;
 	unsigned int i;
-- 
2.39.2



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