=== apply ===
Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- a/sys/dev/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c
|+++ b/sys/dev/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c
--------------------------
Patching file sys/dev/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c using Plan A...
Hunk #1 succeeded at 328.
done
PATCH_RC=0
=== patched md5 (at build time) ===
MD5 (/usr/src/sys/dev/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c) = c31141c9ba1f50da042a2f63da779a97
	vblank_int_entry(0),
	vblank_int_entry(1),
	vblank_int_entry(2),
	vblank_int_entry(3),
	vblank_int_entry(4),
	vblank_int_entry(5),
	[DC_IRQ_SOURCE_DC1_VLINE0] = dummy_irq_entry(),
	[DC_IRQ_SOURCE_DC2_VLINE0] = dummy_irq_entry(),
	[DC_IRQ_SOURCE_DC3_VLINE0] = dummy_irq_entry(),
	[DC_IRQ_SOURCE_DC4_VLINE0] = dummy_irq_entry(),
	[DC_IRQ_SOURCE_DC5_VLINE0] = dummy_irq_entry(),
	[DC_IRQ_SOURCE_DC6_VLINE0] = dummy_irq_entry(),
};

static const struct irq_service_funcs irq_service_funcs_dcn10 = {
		.to_dal_irq_source = to_dal_irq_source_dcn10