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

   1 # SPDX-License-Identifier: MIT
   2 #
   3 # Makefile for the 'dsc' sub-component of DAL.
   4
   5 ifdef CONFIG_X86
   6 dsc_ccflags := -mhard-float -msse
   7 endif
   8
   9 ifdef CONFIG_PPC64
  10 dsc_ccflags := -mhard-float -maltivec
  11 endif
  12
  13 ifdef CONFIG_CC_IS_GCC
  14 ifeq ($(call cc-ifversion, -lt, 0701, y), y)
  15 IS_OLD_GCC = 1
  16 endif
  17 endif
  18
  19 ifdef CONFIG_X86
  20 ifdef IS_OLD_GCC
  21 # Stack alignment mismatch, proceed with caution.
  22 # GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3
  23 # (8B stack alignment).
  24 dsc_ccflags += -mpreferred-stack-boundary=4
  25 else
  26 dsc_ccflags += -msse2
  27 endif
  28 endif
  29
  30 CFLAGS_$(AMDDALPATH)/dc/dsc/rc_calc.o := $(dsc_ccflags)
  31 CFLAGS_$(AMDDALPATH)/dc/dsc/rc_calc_dpi.o := $(dsc_ccflags)
  32 CFLAGS_$(AMDDALPATH)/dc/dsc/dc_dsc.o := $(dsc_ccflags)
  33
  34 DSC = dc_dsc.o rc_calc.o rc_calc_dpi.o
  35
  36 AMD_DAL_DSC = $(addprefix $(AMDDALPATH)/dc/dsc/,$(DSC))
  37
  38 AMD_DISPLAY_FILES += $(AMD_DAL_DSC)