[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for DC3CO Support for TGL (rev4)

[Patchwork]

== Series Details ==

Series: DC3CO Support for TGL (rev4)
URL   : https://patchwork.freedesktop.org/series/64923/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
d909365d6e24 drm/i915/tgl: Add DC3CO required register and bits
d2cbdbad0e6b drm/i915/tgl: Add DC3CO mask to allowed_dc_mask and gen9_dc_mask
fafd76d77294 drm/i915/tgl: Enable DC3CO state in "DC Off" power well
-:57: CHECK:USLEEP_RANGE: usleep_range is preferred over udelay; see Documentation/timers/timers-howto.rst
#57: FILE: drivers/gpu/drm/i915/display/intel_display_power.c:795:
+	udelay(200);

total: 0 errors, 0 warnings, 1 checks, 167 lines checked
cf46c2f4407c drm/i915/tgl: Add helper function for DC3CO exitline.
6090153dbfe7 drm/i915/tgl: DC3CO PSR2 helper
344830226a20 drm/i915/tgl: switch between dc3co and dc5 based on display idleness
0dcc011d1129 drm/i915/tgl: Add DC3CO counter in i915_dmc_info