[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915/selftests: Enable selftesting of busy-stats (rev3)

[Patchwork]

== Series Details ==

Series: drm/i915/selftests: Enable selftesting of busy-stats (rev3)
URL   : https://patchwork.freedesktop.org/series/78465/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
6f2bdb806cc4 drm/i915/selftests: Enable selftesting of busy-stats
-:99: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#99: 
new file mode 100644

-:104: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#104: FILE: drivers/gpu/drm/i915/gt/selftest_engine_heartbeat.h:1:
+

-:105: WARNING:SPDX_LICENSE_TAG: Misplaced SPDX-License-Identifier tag - use line 1 instead
#105: FILE: drivers/gpu/drm/i915/gt/selftest_engine_heartbeat.h:2:
+/* SPDX-License-Identifier: MIT */

-:170: CHECK:USLEEP_RANGE: usleep_range is preferred over udelay; see Documentation/timers/timers-howto.rst
#170: FILE: drivers/gpu/drm/i915/gt/selftest_engine_pm.c:52:
+		udelay(100);

-:203: CHECK:USLEEP_RANGE: usleep_range is preferred over udelay; see Documentation/timers/timers-howto.rst
#203: FILE: drivers/gpu/drm/i915/gt/selftest_engine_pm.c:85:
+		udelay(100);

total: 0 errors, 3 warnings, 2 checks, 862 lines checked