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 dsc_ccflags := -mhard-float -msse
   6
   7 ifdef CONFIG_CC_IS_GCC
   8 ifeq ($(call cc-ifversion, -lt, 0701, y), y)
   9 IS_OLD_GCC = 1
  10 endif
  11 endif
  12
  13 ifdef IS_OLD_GCC
  14 # Stack alignment mismatch, proceed with caution.
  15 # GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3
  16 # (8B stack alignment).
  17 dsc_ccflags += -mpreferred-stack-boundary=4
  18 else
  19 dsc_ccflags += -msse2
  20 endif
  21
  22 CFLAGS_$(AMDDALPATH)/dc/dsc/rc_calc.o := $(dsc_ccflags)
  23 CFLAGS_$(AMDDALPATH)/dc/dsc/rc_calc_dpi.o := $(dsc_ccflags)
  24 CFLAGS_$(AMDDALPATH)/dc/dsc/dc_dsc.o := $(dsc_ccflags)
  25
  26 DSC = dc_dsc.o rc_calc.o rc_calc_dpi.o
  27
  28 AMD_DAL_DSC = $(addprefix $(AMDDALPATH)/dc/dsc/,$(DSC))
  29
  30 AMD_DISPLAY_FILES += $(AMD_DAL_DSC)