drivers/gpu/drm/amd/display/dc/dcn21/Makefile

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