tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amdgpu/display: fix CFLAGS setup for DCN30
Properly handle clang and older versions of gcc.
Fixes: e77165bf7b02a3 ("drm/amd/display: Add DCN3 blocks to Makefile")
Acked-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+16
-2
+16
-2
drivers/gpu/drm/amd/display/dc/dcn30/Makefile
+16
-2
drivers/gpu/drm/amd/display/dc/dcn30/Makefile
···
31
31
dcn30_dio_link_encoder.o dcn30_resource.o
32
32
33
33
34
-
CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_optc.o := -mhard-float -msse -mpreferred-stack-boundary=4
35
-
34
+
ifdef CONFIG_X86
36
35
CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_resource.o := -mhard-float -msse
36
+
CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_optc.o := -mhard-float -msse
37
+
endif
38
+
39
+
ifdef CONFIG_PPC64
40
+
CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_resource.o := -mhard-float -maltivec
41
+
CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_optc.o := -mhard-float -maltivec
42
+
endif
43
+
44
+
ifdef CONFIG_ARM64
45
+
CFLAGS_REMOVE_$(AMDDALPATH)/dc/dcn30/dcn30_resource.o := -mgeneral-regs-only
46
+
CFLAGS_REMOVE_$(AMDDALPATH)/dc/dcn30/dcn30_optc.o := -mgeneral-regs-only
47
+
endif
48
+
37
49
ifdef CONFIG_CC_IS_GCC
38
50
ifeq ($(call cc-ifversion, -lt, 0701, y), y)
39
51
IS_OLD_GCC = 1
···
57
45
# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3
58
46
# (8B stack alignment).
59
47
CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_resource.o += -mpreferred-stack-boundary=4
48
+
CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_optc.o += -mpreferred-stack-boundary=4
60
49
else
61
50
CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_resource.o += -msse2
51
+
CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_optc.o += -msse2
62
52
endif
63
53
64
54
AMD_DAL_DCN30 = $(addprefix $(AMDDALPATH)/dc/dcn30/,$(DCN30))