[Intel-gfx] ✗ Fi.CI.BUILD: failure for Async flip optimization for DG2 (rev8)

[Patchwork]

== Series Details ==

Series: Async flip optimization for DG2 (rev8)
URL   : https://patchwork.freedesktop.org/series/98981/
State : failure

== Summary ==

Applying: drm/i915: Pass plane to watermark calculation functions
Applying: drm/i915: Introduce do_async_flip flag to intel_plane_state
Applying: drm/i915: Use wm0 only during async flips for DG2
Applying: drm/i915: Don't allocate extra ddb during async flip for DG2
error: sha1 information is lacking or useless (drivers/gpu/drm/i915/intel_pm.c).
error: could not build fake ancestor
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0004 drm/i915: Don't allocate extra ddb during async flip for DG2
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".