[PATCH 2/2] drm/amdgpu/display: fix DCN3.2 Makefiles for non-x86

[Harry Wentland]

On 2022-06-06 11:42, Alex Deucher wrote:
> Add proper handling for PPC64.
> 
> Reported-by: kernel test robot <lkp at intel.com>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> ---
>  drivers/gpu/drm/amd/display/dc/dcn32/Makefile  | 9 ++++++++-
>  drivers/gpu/drm/amd/display/dc/dcn321/Makefile | 9 ++++++++-
>  2 files changed, 16 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/Makefile b/drivers/gpu/drm/amd/display/dc/dcn32/Makefile
> index 6e0328060255..3d09db3070f4 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn32/Makefile
> +++ b/drivers/gpu/drm/amd/display/dc/dcn32/Makefile
> @@ -15,12 +15,19 @@ DCN32 = dcn32_resource.o dcn32_hubbub.o dcn32_hwseq.o dcn32_init.o \
>  		dcn32_dio_stream_encoder.o dcn32_dio_link_encoder.o dcn32_hpo_dp_link_encoder.o \
>  		dcn32_mpc.o
>  
> -CFLAGS_$(AMDDALPATH)/dc/dcn32/dcn32_resource.o := -mhard-float -msse
> +ifdef CONFIG_X86
> +CFLAGS_$(AMDDALPATH)/dc/dcn32/dcn32_resource.o := -msse

Should this have an -mhard-float as well? I see that in the other
Makefiles.

The entry below only adds it for gcc, not for clang.

Harry

> +endif
> +
> +ifdef CONFIG_PPC64
> +CFLAGS_$(AMDDALPATH)/dc/dcn32/dcn32_resource.o := -mhard-float -maltivec
> +endif
>  
>  ifdef CONFIG_CC_IS_GCC
>  ifeq ($(call cc-ifversion, -lt, 0701, y), y)
>  IS_OLD_GCC = 1
>  endif
> +CFLAGS_$(AMDDALPATH)/dc/dcn32/dcn32_resource.o += -mhard-float
>  endif
>  
>  ifdef IS_OLD_GCC
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn321/Makefile b/drivers/gpu/drm/amd/display/dc/dcn321/Makefile
> index 9b61d08700ca..5896ca303e39 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn321/Makefile
> +++ b/drivers/gpu/drm/amd/display/dc/dcn321/Makefile
> @@ -12,12 +12,19 @@
>  
>  DCN321 = dcn321_resource.o dcn321_dio_link_encoder.o
>  
> -CFLAGS_$(AMDDALPATH)/dc/dcn321/dcn321_resource.o := -mhard-float -msse
> +ifdef CONFIG_X86
> +CFLAGS_$(AMDDALPATH)/dc/dcn321/dcn321_resource.o := -msse
> +endif
> +
> +ifdef CONFIG_PPC64
> +CFLAGS_$(AMDDALPATH)/dc/dcn321/dcn321_resource.o := -mhard-float -maltivec
> +endif
>  
>  ifdef CONFIG_CC_IS_GCC
>  ifeq ($(call cc-ifversion, -lt, 0701, y), y)
>  IS_OLD_GCC = 1
>  endif
> +CFLAGS_$(AMDDALPATH)/dc/dcn321/dcn321_resource.o += -mhard-float
>  endif
>  
>  ifdef IS_OLD_GCC