[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with drm/i915: Switch obj->mm.lock lockdep annotations on its head (rev2)

[Patchwork]

== Series Details ==

Series: series starting with drm/i915: Switch obj->mm.lock lockdep annotations on its head (rev2)
URL   : https://patchwork.freedesktop.org/series/68956/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
c1f4ce7bcff4 drm/i915: Switch obj->mm.lock lockdep annotations on its head
-:74: ERROR:GIT_COMMIT_ID: Please use git commit description style 'commit <12+ chars of sha1> ("<title line>")' - ie: 'commit 232a6ebae419 ("drm/i915: introduce intel_memory_region")'
#74: 
commit 232a6ebae419193f5b8da4fa869ae5089ab105c2

-:347: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Daniel Vetter <daniel.vetter at ffwll.ch>'

total: 1 errors, 1 warnings, 0 checks, 199 lines checked
71463ddc096d lockdep: add might_lock_nested()
-:24: WARNING:SPACE_BEFORE_TAB: please, no space before tabs
#24: FILE: include/linux/lockdep.h:631:
+# define might_lock_nested(lock, subclass) ^I^I^I^I\$

-:24: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'lock' - possible side-effects?
#24: FILE: include/linux/lockdep.h:631:
+# define might_lock_nested(lock, subclass) 				\
+do {									\
+	typecheck(struct lockdep_map *, &(lock)->dep_map);		\
+	lock_acquire(&(lock)->dep_map, subclass, 0, 1, 1, NULL,		\
+		     _THIS_IP_);					\
+	lock_release(&(lock)->dep_map, 0, _THIS_IP_);		\
+} while (0)

-:41: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Daniel Vetter <daniel.vetter at ffwll.ch>'

total: 0 errors, 2 warnings, 1 checks, 20 lines checked
57feff531c8e drm/i915: use might_lock_nested in get_pages annotation
-:81: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Daniel Vetter <daniel.vetter at ffwll.ch>'

total: 0 errors, 1 warnings, 0 checks, 51 lines checked