[Intel-gfx] ✗ Ro.CI.BAT: failure for Support for creating/using Stolen memory backed objects (rev16)

[Patchwork]

== Series Details ==

Series: Support for creating/using Stolen memory backed objects (rev16)
URL   : https://patchwork.freedesktop.org/series/659/
State : failure

== Summary ==

Applying: drm/i915: Add support for mapping an object page by page
Applying: drm/i915: Introduce i915_gem_object_get_dma_address()
Applying: drm/i915: Use insert_page for pwrite_fast
Applying: drm/i915: Clearing buffer objects via CPU/GTT
Applying: drm/i915: Support for creating Stolen memory backed objects
Applying: drm/i915: Propagating correct error codes to the userspace
fatal: sha1 information is lacking or useless (drivers/gpu/drm/i915/i915_gem.c).
error: could not build fake ancestor
Patch failed at 0006 drm/i915: Propagating correct error codes to the userspace
The copy of the patch that failed is found in: .git/rebase-apply/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".