[Intel-gfx] ✗ Fi.CI.BUILD: failure for series starting with drm/i915: Add engine scratch register to live_lrc_fixed (rev2)

[Patchwork]

== Series Details ==

Series: series starting with drm/i915: Add engine scratch register to live_lrc_fixed (rev2)
URL   : https://patchwork.freedesktop.org/series/76441/
State : failure

== Summary ==

Applying: drm/i915: Add engine scratch register to live_lrc_fixed
Applying: drm/i915: Add per ctx batchbuffer wa for timestamp
Applying: drm/i915: Add live selftests for indirect ctx batchbuffers
Applying: drm/i915: Use indirect ctx bb to mend CMD_BUF_CCTL
error: sha1 information is lacking or useless (drivers/gpu/drm/i915/gt/intel_lrc.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: Use indirect ctx bb to mend CMD_BUF_CCTL
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".