[Intel-gfx] ✗ Fi.CI.BAT: failure for Add Wa_1606682166 (rev2)

[Patchwork]

== Series Details ==

Series: Add Wa_1606682166 (rev2)
URL   : https://patchwork.freedesktop.org/series/50349/
State : failure

== Summary ==

Applying: drm/i915/icl:Add Wa_1606682166
error: sha1 information is lacking or useless (drivers/gpu/drm/i915/i915_reg.h).
error: could not build fake ancestor
Patch failed at 0001 drm/i915/icl:Add Wa_1606682166
Use 'git am --show-current-patch' to see the failed patch
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".