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drm/amdgpu/display: FP fixes for DCN3.x (v4)

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Add proper FP_START/END handling and adjust Makefiles per
previous asics.

v2: fix up harder.
v3: fix clkmgr Makefile for dcn30
v4: fix old gcc handling is only required for x86

Build-tested-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com> (v1)
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> (v1)
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2020-11-02 16:18:09 -05:00
parent 20f2ffe504
commit 582e2ce5b4
5 changed files with 104 additions and 7 deletions
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26
drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile
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@@ -119,6 +119,19 @@ AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCN21)
###############################################################################
CLK_MGR_DCN30 = dcn30_clk_mgr.o dcn30_clk_mgr_smu_msg.o
# prevent build errors regarding soft-float vs hard-float FP ABI tags
# this code is currently unused on ppc64, as it applies to VanGogh APUs only
ifdef CONFIG_PPC64
CFLAGS_$(AMDDALPATH)/dc/clk_mgr/dcn30/dcn30_clk_mgr.o := $(call cc-option,-mno-gnu-attribute)
endif
# prevent build errors:
# ...: '-mgeneral-regs-only' is incompatible with the use of floating-point types
# this file is unused on arm64, just like on ppc64
ifdef CONFIG_ARM64
CFLAGS_REMOVE_$(AMDDALPATH)/dc/clk_mgr/dcn30/dcn30_clk_mgr.o := -mgeneral-regs-only
endif
AMD_DAL_CLK_MGR_DCN30 = $(addprefix $(AMDDALPATH)/dc/clk_mgr/dcn30/,$(CLK_MGR_DCN30))
AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCN30)
@@ -127,6 +140,19 @@ AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCN30)
###############################################################################
CLK_MGR_DCN301 = vg_clk_mgr.o dcn301_smu.o
# prevent build errors regarding soft-float vs hard-float FP ABI tags
# this code is currently unused on ppc64, as it applies to VanGogh APUs only
ifdef CONFIG_PPC64
CFLAGS_$(AMDDALPATH)/dc/clk_mgr/dcn301/vg_clk_mgr.o := $(call cc-option,-mno-gnu-attribute)
endif
# prevent build errors:
# ...: '-mgeneral-regs-only' is incompatible with the use of floating-point types
# this file is unused on arm64, just like on ppc64
ifdef CONFIG_ARM64
CFLAGS_REMOVE_$(AMDDALPATH)/dc/clk_mgr/dcn301/vg_clk_mgr.o := -mgeneral-regs-only
endif
AMD_DAL_CLK_MGR_DCN301 = $(addprefix $(AMDDALPATH)/dc/clk_mgr/dcn301/,$(CLK_MGR_DCN301))
AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCN301)