drm/i915/selftests: Repeat the rps clock frequency measurement

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Repeat the measurement of the clock frequency a few times and use the
median to try and reduce the systematic measurement error.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200504044903.7626-6-chris@chris-wilson.co.uk

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Chris Wilson 2020-05-04 05:48:47 +01:00

parent 0065e5f5cc

commit 8757797ff9

1 changed files with 40 additions and 14 deletions

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54

drivers/gpu/drm/i915/gt/selftest_rps.c

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