1# SPDX-License-Identifier: MIT
2#
3# Makefile for DCN21.
4
5DCN21 = dcn21_init.o dcn21_hubp.o dcn21_hubbub.o dcn21_resource.o \
6	 dcn21_hwseq.o dcn21_link_encoder.o
7
8ifdef CONFIG_X86
9CFLAGS_$(AMDDALPATH)/dc/dcn21/dcn21_resource.o := -mhard-float -msse
10endif
11
12ifdef CONFIG_PPC64
13CFLAGS_$(AMDDALPATH)/dc/dcn21/dcn21_resource.o := -mhard-float -maltivec
14endif
15
16ifdef CONFIG_CC_IS_GCC
17ifeq ($(call cc-ifversion, -lt, 0701, y), y)
18IS_OLD_GCC = 1
19endif
20endif
21
22ifdef CONFIG_X86
23ifdef IS_OLD_GCC
24# Stack alignment mismatch, proceed with caution.
25# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3
26# (8B stack alignment).
27CFLAGS_$(AMDDALPATH)/dc/dcn21/dcn21_resource.o += -mpreferred-stack-boundary=4
28else
29CFLAGS_$(AMDDALPATH)/dc/dcn21/dcn21_resource.o += -msse2
30endif
31endif
32
33AMD_DAL_DCN21 = $(addprefix $(AMDDALPATH)/dc/dcn21/,$(DCN21))
34
35AMD_DISPLAY_FILES += $(AMD_DAL_DCN21)
36