Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- a/sys/dev/drm/radeon/sumo_dpm.c
|+++ b/sys/dev/drm/radeon/sumo_dpm.c
--------------------------
Patching file sys/dev/drm/radeon/sumo_dpm.c using Plan A...
Hunk #1 succeeded at 1206.
Hunk #2 succeeded at 1272.
Hunk #3 succeeded at 1504.
Hunk #4 succeeded at 1538.
Hunk #5 succeeded at 1556.
done
Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- a/sys/dev/drm/radeon/sumo_dpm.c
|+++ b/sys/dev/drm/radeon/sumo_dpm.c
--------------------------
Patching file sys/dev/drm/radeon/sumo_dpm.c using Plan A...
Hunk #1 succeeded at 1206.
Hunk #2 succeeded at 1272.
Hunk #3 succeeded at 1504.
Hunk #4 succeeded at 1538.
Hunk #5 succeeded at 1556.
done