[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915/selftests: Exercise CS TLB invalidation

[Patchwork]

== Series Details ==

Series: drm/i915/selftests: Exercise CS TLB invalidation
URL   : https://patchwork.freedesktop.org/series/66718/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
ec3adb8606d4 drm/i915/selftests: Exercise CS TLB invalidation
-:208: WARNING:MEMORY_BARRIER: memory barrier without comment
#208: FILE: drivers/gpu/drm/i915/selftests/i915_gem_gtt.c:1881:
+				wmb();

-:215: WARNING:YIELD: Using yield() is generally wrong. See yield() kernel-doc (sched/core.c)
#215: FILE: drivers/gpu/drm/i915/selftests/i915_gem_gtt.c:1888:
+			yield();

-:219: WARNING:MEMORY_BARRIER: memory barrier without comment
#219: FILE: drivers/gpu/drm/i915/selftests/i915_gem_gtt.c:1892:
+			wmb();

total: 0 errors, 3 warnings, 0 checks, 252 lines checked