1#
2# Copyright 2017 Advanced Micro Devices, Inc.
3# Copyright 2019 Raptor Engineering, LLC
4#
5# Permission is hereby granted, free of charge, to any person obtaining a
6# copy of this software and associated documentation files (the "Software"),
7# to deal in the Software without restriction, including without limitation
8# the rights to use, copy, modify, merge, publish, distribute, sublicense,
9# and/or sell copies of the Software, and to permit persons to whom the
10# Software is furnished to do so, subject to the following conditions:
11#
12# The above copyright notice and this permission notice shall be included in
13# all copies or substantial portions of the Software.
14#
15# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18# THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21# OTHER DEALINGS IN THE SOFTWARE.
22#
23#
24# Makefile for the 'calcs' sub-component of DAL.
25# It calculates Bandwidth and Watermarks values for HW programming
26#
27
28ifdef CONFIG_X86
29calcs_ccflags := -mhard-float -msse
30endif
31
32ifdef CONFIG_PPC64
33calcs_ccflags := -mhard-float -maltivec
34endif
35
36ifdef CONFIG_ARM64
37calcs_rcflags := -mgeneral-regs-only
38endif
39
40ifdef CONFIG_CC_IS_GCC
41ifeq ($(call cc-ifversion, -lt, 0701, y), y)
42IS_OLD_GCC = 1
43endif
44endif
45
46ifdef CONFIG_X86
47ifdef IS_OLD_GCC
48# Stack alignment mismatch, proceed with caution.
49# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3
50# (8B stack alignment).
51calcs_ccflags += -mpreferred-stack-boundary=4
52else
53calcs_ccflags += -msse2
54endif
55endif
56
57CFLAGS_$(AMDDALPATH)/dc/calcs/dcn_calcs.o := $(calcs_ccflags)
58CFLAGS_$(AMDDALPATH)/dc/calcs/dcn_calc_auto.o := $(calcs_ccflags)
59CFLAGS_$(AMDDALPATH)/dc/calcs/dcn_calc_math.o := $(calcs_ccflags) -Wno-tautological-compare
60CFLAGS_REMOVE_$(AMDDALPATH)/dc/calcs/dcn_calcs.o := $(calcs_rcflags)
61CFLAGS_REMOVE_$(AMDDALPATH)/dc/calcs/dcn_calc_auto.o := $(calcs_rcflags)
62CFLAGS_REMOVE_$(AMDDALPATH)/dc/calcs/dcn_calc_math.o := $(calcs_rcflags)
63
64BW_CALCS = dce_calcs.o bw_fixed.o custom_float.o
65
66ifdef CONFIG_DRM_AMD_DC_DCN
67BW_CALCS += dcn_calcs.o dcn_calc_math.o dcn_calc_auto.o
68endif
69
70AMD_DAL_BW_CALCS = $(addprefix $(AMDDALPATH)/dc/calcs/,$(BW_CALCS))
71
72AMD_DISPLAY_FILES += $(AMD_DAL_BW_CALCS)
73