[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with [1/2] drm/i915/selftests: Confirm CS_TIMESTAMP / CTX_TIMESTAMP share a clock

[Patchwork]

== Series Details ==

Series: series starting with [1/2] drm/i915/selftests: Confirm CS_TIMESTAMP / CTX_TIMESTAMP share a clock
URL   : https://patchwork.freedesktop.org/series/85187/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
cfe0bee68e21 drm/i915/selftests: Confirm CS_TIMESTAMP / CTX_TIMESTAMP share a clock
-:92: WARNING:MEMORY_BARRIER: memory barrier without comment
#92: FILE: drivers/gpu/drm/i915/gt/selftest_engine_pm.c:69:
+	wmb();

-:140: CHECK:USLEEP_RANGE: usleep_range is preferred over udelay; see Documentation/timers/timers-howto.rst
#140: FILE: drivers/gpu/drm/i915/gt/selftest_engine_pm.c:117:
+	udelay(100);

total: 0 errors, 1 warnings, 1 checks, 223 lines checked
4664d259d344 drm/i915/gt: Consolidate the CS timestamp clocks