[Intel-gfx] [PATCH 7/9] drm/i915/pmu: Use a helper to convert to MHz

[Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>]

Use a helper to convert frequency values to MHz.

Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
---
 drivers/gpu/drm/i915/i915_pmu.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
index 2a5deabff088..40ce1dc00067 100644
--- a/drivers/gpu/drm/i915/i915_pmu.c
+++ b/drivers/gpu/drm/i915/i915_pmu.c
@@ -636,6 +636,11 @@ static int i915_pmu_event_init(struct perf_event *event)
 	return 0;
 }
 
+static u64 read_sample_us(struct i915_pmu *pmu, unsigned int gt_id, int sample)
+{
+	return div_u64(read_sample(pmu, gt_id, sample), USEC_PER_SEC);
+}
+
 static u64 __i915_pmu_event_read(struct perf_event *event)
 {
 	struct drm_i915_private *i915 =
@@ -668,16 +673,10 @@ static u64 __i915_pmu_event_read(struct perf_event *event)
 
 		switch (config) {
 		case I915_PMU_ACTUAL_FREQUENCY:
-			val =
-			   div_u64(read_sample(pmu, gt_id,
-					       __I915_SAMPLE_FREQ_ACT),
-				   USEC_PER_SEC /* to MHz */);
+			val = read_sample_us(pmu, gt_id, __I915_SAMPLE_FREQ_ACT);
 			break;
 		case I915_PMU_REQUESTED_FREQUENCY:
-			val =
-			   div_u64(read_sample(pmu, gt_id,
-					       __I915_SAMPLE_FREQ_REQ),
-				   USEC_PER_SEC /* to MHz */);
+			val = read_sample_us(pmu, gt_id, __I915_SAMPLE_FREQ_REQ);
 			break;
 		case I915_PMU_INTERRUPTS:
 			val = READ_ONCE(pmu->irq_count);
-- 
2.36.1