✗ Fi.CI.CHECKPATCH: warning for drm/i915/selftests: Confirm RING_TIMESTAMP / CTX_TIMESTAMP share a clock (rev2)

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== Series Details ==

Series: drm/i915/selftests: Confirm RING_TIMESTAMP / CTX_TIMESTAMP share a clock (rev2)
URL   : https://patchwork.freedesktop.org/series/80475/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
6f2c2821cb2d drm/i915/selftests: Confirm RING_TIMESTAMP / CTX_TIMESTAMP share a clock
-:70: WARNING:MEMORY_BARRIER: memory barrier without comment
#70: FILE: drivers/gpu/drm/i915/gt/selftest_engine_pm.c:51:
+	wmb();

-:123: CHECK:USLEEP_RANGE: usleep_range is preferred over udelay; see Documentation/timers/timers-howto.rst
#123: FILE: drivers/gpu/drm/i915/gt/selftest_engine_pm.c:104:
+	udelay(100);

total: 0 errors, 1 warnings, 1 checks, 175 lines checked


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