[Intel-gfx] ✗ Ro.CI.BAT: failure for drm/i915/bxt: Fix DDI PHY setup for low resolutions (rev4)

[Patchwork]

== Series Details ==

Series: drm/i915/bxt: Fix DDI PHY setup for low resolutions (rev4)
URL   : https://patchwork.freedesktop.org/series/8414/
State : failure

== Summary ==

Applying: drm/i915/bxt: Wait for PHY1 GRC calibration synchronously
Applying: drm/i915/bxt: Sanitiy check the PHY lane power down status
fatal: sha1 information is lacking or useless (drivers/gpu/drm/i915/intel_ddi.c).
error: could not build fake ancestor
Patch failed at 0002 drm/i915/bxt: Sanitiy check the PHY lane power down status
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".