[Intel-gfx] ✗ Fi.CI.BUILD: failure for drm/i915/svm: Add SVM support (rev2)

[Patchwork]

== Series Details ==

Series: drm/i915/svm: Add SVM support (rev2)
URL   : https://patchwork.freedesktop.org/series/69908/
State : failure

== Summary ==

Applying: drm/i915/svm: Add SVM documentation
Applying: drm/i915/svm: Runtime (RT) allocator support
error: sha1 information is lacking or useless (drivers/gpu/drm/i915/i915_drv.c).
error: could not build fake ancestor
hint: Use 'git am --show-current-patch' to see the failed patch
Patch failed at 0002 drm/i915/svm: Runtime (RT) allocator support
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".