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      1 # SPDX-License-Identifier: MIT
      2 #
      3 # Makefile for DCN.
      4 
      5 DCN20 = dcn20_resource.o dcn20_init.o dcn20_hwseq.o dcn20_dpp.o dcn20_dpp_cm.o dcn20_hubp.o \
      6 		dcn20_mpc.o dcn20_opp.o dcn20_hubbub.o dcn20_optc.o dcn20_mmhubbub.o \
      7 		dcn20_stream_encoder.o dcn20_link_encoder.o dcn20_dccg.o \
      8 		dcn20_vmid.o dcn20_dwb.o dcn20_dwb_scl.o
      9 
     10 DCN20 += dcn20_dsc.o
     11 
     12 ifdef CONFIG_X86
     13 CFLAGS_$(AMDDALPATH)/dc/dcn20/dcn20_resource.o := -mhard-float -msse
     14 endif
     15 
     16 ifdef CONFIG_PPC64
     17 CFLAGS_$(AMDDALPATH)/dc/dcn20/dcn20_resource.o := -mhard-float -maltivec
     18 endif
     19 
     20 ifdef CONFIG_CC_IS_GCC
     21 ifeq ($(call cc-ifversion, -lt, 0701, y), y)
     22 IS_OLD_GCC = 1
     23 endif
     24 endif
     25 
     26 ifdef CONFIG_X86
     27 ifdef IS_OLD_GCC
     28 # Stack alignment mismatch, proceed with caution.
     29 # GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3
     30 # (8B stack alignment).
     31 CFLAGS_$(AMDDALPATH)/dc/dcn20/dcn20_resource.o += -mpreferred-stack-boundary=4
     32 else
     33 CFLAGS_$(AMDDALPATH)/dc/dcn20/dcn20_resource.o += -msse2
     34 endif
     35 endif
     36 
     37 AMD_DAL_DCN20 = $(addprefix $(AMDDALPATH)/dc/dcn20/,$(DCN20))
     38 
     39 AMD_DISPLAY_FILES += $(AMD_DAL_DCN20)
     40