[Intel-gfx] ✗ Fi.CI.BUILD: failure for drm: update locking for modesetting (rev6)

[Patchwork]

== Series Details ==

Series: drm: update locking for modesetting (rev6)
URL   : https://patchwork.freedesktop.org/series/93864/
State : failure

== Summary ==

Applying: drm: fix null ptr dereference in drm_master_release
Applying: drm: convert drm_device.master_mutex into a rwsem
Applying: drm: lock drm_global_mutex earlier in the ioctl handler
Applying: drm: avoid races with modesetting rights
error: sha1 information is lacking or useless (drivers/gpu/drm/drm_ioctl.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: avoid races with modesetting rights
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".