diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/Makefile')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/Makefile | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/Makefile b/drivers/gpu/drm/amd/display/dc/Makefile index 4de8e1871711..dfe82bcdd17d 100644 --- a/drivers/gpu/drm/amd/display/dc/Makefile +++ b/drivers/gpu/drm/amd/display/dc/Makefile @@ -21,7 +21,31 @@ # # # Makefile for Display Core (dc) component. -# + +ifdef CONFIG_X86 +dmub_ccflags := -mhard-float -msse +endif + +ifdef CONFIG_PPC64 +dmub_ccflags := -mhard-float -maltivec +endif + +ifdef CONFIG_CC_IS_GCC +ifeq ($(call cc-ifversion, -lt, 0701, y), y) +IS_OLD_GCC = 1 +endif +endif + +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). +dmub_ccflags += -mpreferred-stack-boundary=4 +else +dmub_ccflags += -msse2 +endif +endif DC_LIBS = basics bios dml clk_mgr dce gpio irq link virtual @@ -75,6 +99,7 @@ AMD_DISPLAY_FILES += $(AMD_DISPLAY_CORE) AMD_DISPLAY_FILES += $(AMD_DM_REG_UPDATE) DC_DMUB += dc_dmub_srv.o +CFLAGS_$(AMDDALPATH)/dc/dc_dmub_srv.o := $(dmub_ccflags) DC_EDID += dc_edid_parser.o AMD_DISPLAY_DMUB = $(addprefix $(AMDDALPATH)/dc/,$(DC_DMUB)) AMD_DISPLAY_EDID = $(addprefix $(AMDDALPATH)/dc/,$(DC_EDID)) |