[PATCH] drm/amdgpu/dc: Really fix DCN3.1 Makefile for PPC64

[Alex Deucher]

Applied.  Thanks!

Alex

On Fri, Jun 25, 2021 at 4:14 PM Harry Wentland <harry.wentland at amd.com> wrote:
>
> On 2021-06-23 6:30 a.m., Michal Suchanek wrote:
> > Also copy over the part that makes old gcc handling cross-platform.
> >
> > Fixes: df7a1658f257 ("drm/amdgpu/dc: fix DCN3.1 Makefile for PPC64")
> > Fixes: 926d6972efb6 ("drm/amd/display: Add DCN3.1 blocks to the DC Makefile")
> > Signed-off-by: Michal Suchanek <msuchanek at suse.de>
>
> Reviewed-by: Harry Wentland <harry.wentland at amd.com>
>
> Harry
>
> > ---
> > The fact that the old gcc handling triggers on gcc 10 and 11 is another
> > story I don't want to delve into.
> > ---
> >  drivers/gpu/drm/amd/display/dc/dcn31/Makefile | 2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/Makefile b/drivers/gpu/drm/amd/display/dc/dcn31/Makefile
> > index 5dcdc5a858fe..4bab97acb155 100644
> > --- a/drivers/gpu/drm/amd/display/dc/dcn31/Makefile
> > +++ b/drivers/gpu/drm/amd/display/dc/dcn31/Makefile
> > @@ -28,6 +28,7 @@ endif
> >  CFLAGS_$(AMDDALPATH)/dc/dcn31/dcn31_resource.o += -mhard-float
> >  endif
> >
> > +ifdef CONFIG_X86
> >  ifdef IS_OLD_GCC
> >  # Stack alignment mismatch, proceed with caution.
> >  # GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3
> > @@ -36,6 +37,7 @@ CFLAGS_$(AMDDALPATH)/dc/dcn31/dcn31_resource.o += -mpreferred-stack-boundary=4
> >  else
> >  CFLAGS_$(AMDDALPATH)/dc/dcn31/dcn31_resource.o += -msse2
> >  endif
> > +endif
> >
> >  AMD_DAL_DCN31 = $(addprefix $(AMDDALPATH)/dc/dcn31/,$(DCN31))
> >
> >
>
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