[Intel-gfx] ✗ Fi.CI.BAT: failure for Make DRM DSC helpers more generally usable

[Patchwork]

== Series Details ==

Series: Make DRM DSC helpers more generally usable
URL   : https://patchwork.freedesktop.org/series/56608/
State : failure

== Summary ==

Applying: drm/i915: Move dsc rate params compute into drm
Applying: drm/dsc: Add native 420 and 422 support to compute_rc_params
error: sha1 information is lacking or useless (drivers/gpu/drm/drm_dsc.c).
error: could not build fake ancestor
hint: Use 'git am --show-current-patch' to see the failed patch
Patch failed at 0002 drm/dsc: Add native 420 and 422 support to compute_rc_params
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".