Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- a/sys/dev/drm/amd/display/dc/irq/dce80/irq_service_dce80.c
|+++ b/sys/dev/drm/amd/display/dc/irq/dce80/irq_service_dce80.c
--------------------------
Patching file sys/dev/drm/amd/display/dc/irq/dce80/irq_service_dce80.c using Plan A...
Hunk #1 succeeded at 271.
done
Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- a/sys/dev/drm/amd/display/dc/irq/dce110/irq_service_dce110.c
|+++ b/sys/dev/drm/amd/display/dc/irq/dce110/irq_service_dce110.c
--------------------------
Patching file sys/dev/drm/amd/display/dc/irq/dce110/irq_service_dce110.c using Plan A...
Hunk #1 succeeded at 192.
Hunk #2 succeeded at 226.
done
0cdb51fa69c1019438882d26fe100eda
f6754cc7d3bac717925e9e1cc398a902