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SubjectRe: [PATCH] drm/amd/display: Respect CONFIG_FRAME_WARN=0 in dml Makefile
Applied.  Thanks!

Alex

On Tue, Jun 29, 2021 at 11:10 AM Harry Wentland <harry.wentland@amd.com> wrote:
>
> On 2021-06-28 9:27 p.m., Reka Norman wrote:
> > Setting CONFIG_FRAME_WARN=0 should disable 'stack frame larger than'
> > warnings. This is useful for example in KASAN builds. Make the dml
> > Makefile respect this config.
> >
> > Fixes the following build warnings with CONFIG_KASAN=y and
> > CONFIG_FRAME_WARN=0:
> >
> > drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn30/display_mode_vba_30.c:3642:6:
> > warning: stack frame size of 2216 bytes in function
> > 'dml30_ModeSupportAndSystemConfigurationFull' [-Wframe-larger-than=]
> > drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn31/display_mode_vba_31.c:3957:6:
> > warning: stack frame size of 2568 bytes in function
> > 'dml31_ModeSupportAndSystemConfigurationFull' [-Wframe-larger-than=]
> >
> > Signed-off-by: Reka Norman <rekanorman@google.com>
>
> Reviewed-by: Harry Wentland <harry.wentland@amd.com>
>
> Harry
>
> > ---
> >
> > drivers/gpu/drm/amd/display/dc/dml/Makefile | 8 ++++++--
> > 1 file changed, 6 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/display/dc/dml/Makefile b/drivers/gpu/drm/amd/display/dc/dml/Makefile
> > index d34024fd798a..45862167e6ce 100644
> > --- a/drivers/gpu/drm/amd/display/dc/dml/Makefile
> > +++ b/drivers/gpu/drm/amd/display/dc/dml/Makefile
> > @@ -50,6 +50,10 @@ dml_ccflags += -msse2
> > endif
> > endif
> >
> > +ifneq ($(CONFIG_FRAME_WARN),0)
> > +frame_warn_flag := -Wframe-larger-than=2048
> > +endif
> > +
> > CFLAGS_$(AMDDALPATH)/dc/dml/display_mode_lib.o := $(dml_ccflags)
> >
> > ifdef CONFIG_DRM_AMD_DC_DCN
> > @@ -60,9 +64,9 @@ CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/display_mode_vba_20v2.o := $(dml_ccflags)
> > CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/display_rq_dlg_calc_20v2.o := $(dml_ccflags)
> > CFLAGS_$(AMDDALPATH)/dc/dml/dcn21/display_mode_vba_21.o := $(dml_ccflags)
> > CFLAGS_$(AMDDALPATH)/dc/dml/dcn21/display_rq_dlg_calc_21.o := $(dml_ccflags)
> > -CFLAGS_$(AMDDALPATH)/dc/dml/dcn30/display_mode_vba_30.o := $(dml_ccflags) -Wframe-larger-than=2048
> > +CFLAGS_$(AMDDALPATH)/dc/dml/dcn30/display_mode_vba_30.o := $(dml_ccflags) $(frame_warn_flag)
> > CFLAGS_$(AMDDALPATH)/dc/dml/dcn30/display_rq_dlg_calc_30.o := $(dml_ccflags)
> > -CFLAGS_$(AMDDALPATH)/dc/dml/dcn31/display_mode_vba_31.o := $(dml_ccflags) -Wframe-larger-than=2048
> > +CFLAGS_$(AMDDALPATH)/dc/dml/dcn31/display_mode_vba_31.o := $(dml_ccflags) $(frame_warn_flag)
> > CFLAGS_$(AMDDALPATH)/dc/dml/dcn31/display_rq_dlg_calc_31.o := $(dml_ccflags)
> > CFLAGS_$(AMDDALPATH)/dc/dml/display_mode_lib.o := $(dml_ccflags)
> > CFLAGS_REMOVE_$(AMDDALPATH)/dc/dml/display_mode_vba.o := $(dml_rcflags)
> >
>
> _______________________________________________
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> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx

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