amdgpu: Prevent build errors regarding soft/hard-float FP ABI tags
[ Upstream commit 416611d9b6
]
On PowerPC, the compiler will tag object files with whether they
use hard or soft float FP ABI and whether they use 64 or 128-bit
long double ABI. On systems with 64-bit long double ABI, a tag
will get emitted whenever a double is used, as on those systems
a long double is the same as a double. This will prevent linkage
as other files are being compiled with hard-float.
On ppc64, this code will never actually get used for the time
being, as the only currently existing hardware using it are the
Renoir APUs. Therefore, until this is testable and can be fixed
properly, at least make sure the build will not fail.
Signed-off-by: Daniel Kolesa <daniel@octaforge.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
parent
cd32771da1
commit
3c4b250532
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@ -91,6 +91,12 @@ ifdef CONFIG_DRM_AMD_DC_DCN2_1
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###############################################################################
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CLK_MGR_DCN21 = rn_clk_mgr.o rn_clk_mgr_vbios_smu.o
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# prevent build errors regarding soft-float vs hard-float FP ABI tags
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# this code is currently unused on ppc64, as it applies to Renoir APUs only
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ifdef CONFIG_PPC64
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CFLAGS_$(AMDDALPATH)/dc/clk_mgr/dcn21/rn_clk_mgr.o := $(call cc-option,-mno-gnu-attribute)
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endif
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AMD_DAL_CLK_MGR_DCN21 = $(addprefix $(AMDDALPATH)/dc/clk_mgr/dcn21/,$(CLK_MGR_DCN21))
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AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCN21)
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