[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Define and use GuC and CTB TLB invalidation routines (rev4)

[Patchwork]

== Series Details ==

Series: drm/i915: Define and use GuC and CTB TLB invalidation routines (rev4)
URL   : https://patchwork.freedesktop.org/series/124744/
State : warning

== Summary ==

Error: dim checkpatch failed
36647bbe0ce7 drm/i915: Add GuC TLB Invalidation device info flags
07632c06461f drm/i915/guc: Add CT size delay helper
4ee8731d1a12 drm/i915: Define and use GuC and CTB TLB invalidation routines
-:339: WARNING:NEEDLESS_IF: kfree(NULL) is safe and this check is probably not required
#339: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1999:
+	if (wait)
+		kfree(wait);

total: 0 errors, 1 warnings, 0 checks, 431 lines checked
04d03a27359c drm/i915: No TLB invalidation on suspended GT
bdb3ec78385d drm/i915: No TLB invalidation on wedged GT
09dac8ebae98 drm/i915/gt: Increase sleep in gt_tlb selftest sanitycheck
453962073582 drm/i915: Enable GuC TLB invalidations for MTL