[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: ipc and display sub-struct refactoring

[Patchwork]

== Series Details ==

Series: drm/i915: ipc and display sub-struct refactoring
URL   : https://patchwork.freedesktop.org/series/108157/
State : warning

== Summary ==

Error: dim checkpatch failed
9dbc6786b6df drm/i915/ipc: split out intel_ipc.[ch]
Traceback (most recent call last):
  File "scripts/spdxcheck.py", line 6, in <module>
    from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
-:99: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#99: 
new file mode 100644

-:166: WARNING:SPDX_LICENSE_TAG: Improper SPDX comment style for 'drivers/gpu/drm/i915/display/intel_ipc.h', please use '/*' instead
#166: FILE: drivers/gpu/drm/i915/display/intel_ipc.h:1:
+// SPDX-License-Identifier: MIT

-:166: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#166: FILE: drivers/gpu/drm/i915/display/intel_ipc.h:1:
+// SPDX-License-Identifier: MIT

total: 0 errors, 3 warnings, 0 checks, 233 lines checked
19a0ebf31090 drm/i915/ipc: move IPC debugfs to intel_ipc.c
d510b07d9964 drm/i915/ipc: register debugfs only if IPC available
24998aaf8687 drm/i915/display: move IPC under display sub-struct
c2d4e3412342 drm/i915/display: move hdport under display sub-struct