On Sun, Sep 15, 2019 at 2:47 PM Mark Brown <broonie@xxxxxxxxxx> wrote:
>
> Hi all,
>
> Today's linux-next merge of the drm tree got a conflict in:
>
> drivers/gpu/drm/amd/display/dc/dml/Makefile
>
> between commit:
>
> 54b8ae66ae1a345 ("kbuild: change *FLAGS_<basetarget>.o to take the path relative to $(obj)")
>
> from the kbuild tree and commits:
>
> 0f0727d971f6fdf ("drm/amd/display: readd -msse2 to prevent Clang from emitting libcalls to undefined SW FP routines")
^ this patch is now broken due to the SHA above it.
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/Makefile
b/drivers/gpu/drm/amd/display/dc/dcn20/Makefile
index 2b399cfa72e6..ddb8d5649e79 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/Makefile
@@ -19,7 +19,7 @@ endif
CFLAGS_$(AMDDALPATH)/dc/dcn20/dcn20_resource.o := -mhard-float -msse
$(cc_stack_align)
ifdef CONFIG_CC_IS_CLANG
-CFLAGS_dcn20_resource.o += -msse2
+CFLAGS_$(AMDDALPATH)/dc/dcn20/dcn20_resource.o += -msse2
endif
AMD_DAL_DCN20 = $(addprefix $(AMDDALPATH)/dc/dcn20/,$(DCN20))
> 542816ff168d8a3 ("drm/amd/display: Add DCN2.1 changes to DML")
> b04641a3f4c54b0 ("drm/amd/display: Add Renoir DML")
> 057fc695e934a77 ("drm/amd/display: support "dummy pstate"")
>
> from the drm tree.
>
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging. You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
>
> diff --cc drivers/gpu/drm/amd/display/dc/dml/Makefile
> index 83792e2c0f0e4,af2a864a6da05..0000000000000
> --- a/drivers/gpu/drm/amd/display/dc/dml/Makefile
> +++ b/drivers/gpu/drm/amd/display/dc/dml/Makefile
> @@@ -32,16 -32,29 +32,25 @@@ endi
>
> dml_ccflags := -mhard-float -msse $(cc_stack_align)
>
> + ifdef CONFIG_CC_IS_CLANG
> + dml_ccflags += -msse2
> + endif
> +
> -CFLAGS_display_mode_lib.o := $(dml_ccflags)
> +CFLAGS_$(AMDDALPATH)/dc/dml/display_mode_lib.o := $(dml_ccflags)
>
> ifdef CONFIG_DRM_AMD_DC_DCN2_0
> -CFLAGS_display_mode_vba.o := $(dml_ccflags)
> -CFLAGS_display_mode_vba_20.o := $(dml_ccflags)
> -CFLAGS_display_rq_dlg_calc_20.o := $(dml_ccflags)
> -CFLAGS_display_mode_vba_20v2.o := $(dml_ccflags)
> -CFLAGS_display_rq_dlg_calc_20v2.o := $(dml_ccflags)
> -endif
> +CFLAGS_$(AMDDALPATH)/dc/dml/display_mode_vba.o := $(dml_ccflags)
> +CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/display_mode_vba_20.o := $(dml_ccflags)
> +CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/display_rq_dlg_calc_20.o := $(dml_ccflags)
> ++CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/display_mode_vba_20v2.o := $(dml_ccflags)
> ++CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/display_rq_dlg_calc_20v2.o := $(dml_ccflags)
> + ifdef CONFIG_DRM_AMD_DC_DCN2_1
> -CFLAGS_display_mode_vba_21.o := $(dml_ccflags)
> -CFLAGS_display_rq_dlg_calc_21.o := $(dml_ccflags)
> -endif
^ this endif should not be removed.
> -ifdef CONFIG_DRM_AMD_DCN3AG
> -CFLAGS_display_mode_vba_3ag.o := $(dml_ccflags)
> ++CFLAGS_$(AMDDALPATH)/dc/dml/dcn21/display_mode_vba_21.o := $(dml_ccflags)
> ++CFLAGS_$(AMDDALPATH)/dc/dml/dcn21/display_rq_dlg_calc_21.o := $(dml_ccflags)
> endif
> -CFLAGS_dml1_display_rq_dlg_calc.o := $(dml_ccflags)
> -CFLAGS_display_rq_dlg_helpers.o := $(dml_ccflags)
> -CFLAGS_dml_common_defs.o := $(dml_ccflags)
> +CFLAGS_$(AMDDALPATH)/dc/dml/dml1_display_rq_dlg_calc.o := $(dml_ccflags)
> +CFLAGS_$(AMDDALPATH)/dc/dml/display_rq_dlg_helpers.o := $(dml_ccflags)
> +CFLAGS_$(AMDDALPATH)/dc/dml/dml_common_defs.o := $(dml_ccflags)
>
> DML = display_mode_lib.o display_rq_dlg_helpers.o dml1_display_rq_dlg_calc.o \
> dml_common_defs.o
--
Thanks,
~Nick Desaulniers
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