[Intel-gfx] ✗ Fi.CI.BUILD: failure for Add back the buddy allocator (rev3)

[Patchwork]

== Series Details ==

Series: Add back the buddy allocator (rev3)
URL   : https://patchwork.freedesktop.org/series/91110/
State : failure

== Summary ==

Applying: drm/i915/ttm: add ttm_buddy_man
Applying: drm/i915/ttm: add i915_sg_from_buddy_resource
Applying: drm/i915/ttm: Calculate the object placement at get_pages time
error: sha1 information is lacking or useless (drivers/gpu/drm/i915/gem/i915_gem_ttm.c).
error: could not build fake ancestor
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0003 drm/i915/ttm: Calculate the object placement at get_pages time
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".