[Intel-gfx] [PATCH 2/3] drm/i915/selftests: Add helper function measure_power
Riana Tauro
riana.tauro at intel.com
Fri Sep 23 11:00:42 UTC 2022
move the power measurement and the triangle filter
to a different function. No functional changes.
Signed-off-by: Riana Tauro <riana.tauro at intel.com>
---
drivers/gpu/drm/i915/gt/selftest_rps.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/selftest_rps.c b/drivers/gpu/drm/i915/gt/selftest_rps.c
index cfb4708dd62e..99a372486fb7 100644
--- a/drivers/gpu/drm/i915/gt/selftest_rps.c
+++ b/drivers/gpu/drm/i915/gt/selftest_rps.c
@@ -1107,21 +1107,27 @@ static u64 __measure_power(int duration_ms)
return div64_u64(1000 * 1000 * dE, dt);
}
-static u64 measure_power_at(struct intel_rps *rps, int *freq)
+static u64 measure_power(struct intel_rps *rps, int *freq)
{
u64 x[5];
int i;
- *freq = rps_set_check(rps, *freq);
for (i = 0; i < 5; i++)
x[i] = __measure_power(5);
- *freq = (*freq + read_cagf(rps)) / 2;
+
+ *freq = (*freq + intel_rps_read_actual_frequency(rps)) / 2;
/* A simple triangle filter for better result stability */
sort(x, 5, sizeof(*x), cmp_u64, NULL);
return div_u64(x[1] + 2 * x[2] + x[3], 4);
}
+static u64 measure_power_at(struct intel_rps *rps, int *freq)
+{
+ *freq = rps_set_check(rps, *freq);
+ return measure_power(rps, freq);
+}
+
int live_rps_power(void *arg)
{
struct intel_gt *gt = arg;
--
2.25.1
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