1# 2# Copyright 2017 Advanced Micro Devices, Inc. 3# 4# Permission is hereby granted, free of charge, to any person obtaining a 5# copy of this software and associated documentation files (the "Software"), 6# to deal in the Software without restriction, including without limitation 7# the rights to use, copy, modify, merge, publish, distribute, sublicense, 8# and/or sell copies of the Software, and to permit persons to whom the 9# Software is furnished to do so, subject to the following conditions: 10# 11# The above copyright notice and this permission notice shall be included in 12# all copies or substantial portions of the Software. 13# 14# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17# THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20# OTHER DEALINGS IN THE SOFTWARE. 21# 22# 23# Makefile for the 'calcs' sub-component of DAL. 24# It calculates Bandwidth and Watermarks values for HW programming 25# 26 27calcs_ccflags := -mhard-float -msse 28 29ifdef CONFIG_CC_IS_GCC 30ifeq ($(call cc-ifversion, -lt, 0701, y), y) 31IS_OLD_GCC = 1 32endif 33endif 34 35ifdef IS_OLD_GCC 36# Stack alignment mismatch, proceed with caution. 37# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3 38# (8B stack alignment). 39calcs_ccflags += -mpreferred-stack-boundary=4 40else 41calcs_ccflags += -msse2 42endif 43 44CFLAGS_$(AMDDALPATH)/dc/calcs/dcn_calcs.o := $(calcs_ccflags) 45CFLAGS_$(AMDDALPATH)/dc/calcs/dcn_calc_auto.o := $(calcs_ccflags) 46CFLAGS_$(AMDDALPATH)/dc/calcs/dcn_calc_math.o := $(calcs_ccflags) -Wno-tautological-compare 47 48BW_CALCS = dce_calcs.o bw_fixed.o custom_float.o 49 50ifdef CONFIG_DRM_AMD_DC_DCN1_0 51BW_CALCS += dcn_calcs.o dcn_calc_math.o dcn_calc_auto.o 52endif 53 54AMD_DAL_BW_CALCS = $(addprefix $(AMDDALPATH)/dc/calcs/,$(BW_CALCS)) 55 56AMD_DISPLAY_FILES += $(AMD_DAL_BW_CALCS) 57