[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for Prepare intel_fb for Xe (rev4)

[Patchwork]

== Series Details ==

Series: Prepare intel_fb for Xe (rev4)
URL   : https://patchwork.freedesktop.org/series/126507/
State : warning

== Summary ==

Error: dim checkpatch failed
d12deb0b9794 drm/i915/display: use intel_bo_to_drm_bo in intel_fb.c
5d9896b24b8b drm/i915/display: Convert intel_fb_modifier_to_tiling as non-static
e484b88355ba drm/i915/display: Split i915 specific code away from intel_fb.c
Traceback (most recent call last):
  File "scripts/spdxcheck.py", line 6, in <module>
    from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
-:160: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#160: 
new file mode 100644

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

-:165: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#165: FILE: drivers/gpu/drm/i915/display/intel_fb_bo.c:1:
+/* SPDX-License-Identifier: MIT */

total: 0 errors, 3 warnings, 0 checks, 250 lines checked