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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn20/Makefile')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/Makefile30
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/Makefile b/drivers/gpu/drm/amd/display/dc/dcn20/Makefile
index e9721a906592..5fcaf78334ff 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/Makefile
@@ -1,22 +1,38 @@
+# SPDX-License-Identifier: MIT
#
# Makefile for DCN.
-DCN20 = dcn20_resource.o dcn20_hwseq.o dcn20_dpp.o dcn20_dpp_cm.o dcn20_hubp.o \
+DCN20 = dcn20_resource.o dcn20_init.o dcn20_hwseq.o dcn20_dpp.o dcn20_dpp_cm.o dcn20_hubp.o \
dcn20_mpc.o dcn20_opp.o dcn20_hubbub.o dcn20_optc.o dcn20_mmhubbub.o \
dcn20_stream_encoder.o dcn20_link_encoder.o dcn20_dccg.o \
dcn20_vmid.o dcn20_dwb.o dcn20_dwb_scl.o
-ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
DCN20 += dcn20_dsc.o
+
+ifdef CONFIG_X86
+CFLAGS_$(AMDDALPATH)/dc/dcn20/dcn20_resource.o := -mhard-float -msse
+endif
+
+ifdef CONFIG_PPC64
+CFLAGS_$(AMDDALPATH)/dc/dcn20/dcn20_resource.o := -mhard-float -maltivec
endif
-ifneq ($(call cc-option, -mpreferred-stack-boundary=4),)
- cc_stack_align := -mpreferred-stack-boundary=4
-else ifneq ($(call cc-option, -mstack-alignment=16),)
- cc_stack_align := -mstack-alignment=16
+ifdef CONFIG_CC_IS_GCC
+ifeq ($(call cc-ifversion, -lt, 0701, y), y)
+IS_OLD_GCC = 1
+endif
endif
-CFLAGS_dcn20_resource.o := -mhard-float -msse $(cc_stack_align)
+ifdef CONFIG_X86
+ifdef IS_OLD_GCC
+# Stack alignment mismatch, proceed with caution.
+# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3
+# (8B stack alignment).
+CFLAGS_$(AMDDALPATH)/dc/dcn20/dcn20_resource.o += -mpreferred-stack-boundary=4
+else
+CFLAGS_$(AMDDALPATH)/dc/dcn20/dcn20_resource.o += -msse2
+endif
+endif
AMD_DAL_DCN20 = $(addprefix $(AMDDALPATH)/dc/dcn20/,$(DCN20))
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