On Mon, Sep 21, 2020 at 6:12 PM Anthony Benware <hyperkvmx86@xxxxxxxxx> wrote: > > [Why] > Clang can't compile dcn30_optc.o with '-mpreferred-stack-boundary=4' > > [How] > use '-mstack-alignment=4' if Clang is CC and '-mpreferred-stack-boundary=4' if CC is not Clang > > Signed-off-by: Anthony Benware <hyperkvmx86@xxxxxxxxx> Thanks for the patch. I just sent a slightly different one to fix this up properly with clang and older versions of gcc. Alex > --- > drivers/gpu/drm/amd/display/dc/dcn30/Makefile | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/Makefile b/drivers/gpu/drm/amd/display/dc/dcn30/Makefile > index 025637a83c3b..fcded5498393 100644 > --- a/drivers/gpu/drm/amd/display/dc/dcn30/Makefile > +++ b/drivers/gpu/drm/amd/display/dc/dcn30/Makefile > @@ -31,7 +31,11 @@ DCN30 = dcn30_init.o dcn30_hubbub.o dcn30_hubp.o dcn30_dpp.o dcn30_optc.o \ > dcn30_dio_link_encoder.o dcn30_resource.o > > > +ifdef CONFIG_CC_IS_CLANG > +CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_optc.o := -mhard-float -msse -mstack-alignment=4 > +else > CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_optc.o := -mhard-float -msse -mpreferred-stack-boundary=4 > +endif > > CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_resource.o := -mhard-float -msse > ifdef CONFIG_CC_IS_GCC > -- > 2.28.0 > _______________________________________________ > amd-gfx mailing list > amd-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
