Hi Dave,
On Tue, 4 Oct 2022 12:24:37 +1000 David Airlie <airlied@xxxxxxxxxx> wrote:
>
> On Tue, Oct 4, 2022 at 12:21 PM Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> >
> > On Fri, 30 Sep 2022 11:54:34 +0100 broonie@xxxxxxxxxx wrote:
> > >
> > > After merging the drm tree, today's linux-next build (x86_64
> > > allmodconfig) failed like this:
> > >
> > > /tmp/next/build/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_stream.c: In function 'dc_stream_remove_writeback':
> > > /tmp/next/build/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_stream.c:527:55: error: array subscript [0, 0] is outside array bounds of 'struct dc_writeback_info[1]' [-Werror=array-bounds]
> > > 527 | stream->writeback_info[j] = stream->writeback_info[i];
> > > | ~~~~~~~~~~~~~~~~~~~~~~^~~
> > > cc1: all warnings being treated as errors
> > >
> > > Caused by
> > >
> > > 5d8c3e836fc224 ("drm/amd/display: fix array-bounds error in dc_stream_remove_writeback()")
> > >
> > > I have reverted that commit for today.
> >
> > I am still getting this failure. The full error is:
> >
> > drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_stream.c: In function 'dc_stream_remove_writeback':
> > drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_stream.c:527:83: error: array subscript [0, 0] is outside array bounds of 'struct dc_writeback_info[1]' [-Werror=array-bounds]
> > 527 | stream->writeback_info[j] = stream->writeback_info[i];
> > | ~~~~~~~~~~~~~~~~~~~~~~^~~
> > In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dc.h:1269,
> > from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/core_types.h:29,
> > from drivers/gpu/drm/amd/amdgpu/../display/dc/basics/dc_common.h:29,
> > from drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_stream.c:27:
> > drivers/gpu/drm/amd/amdgpu/../display/dc/dc_stream.h:241:34: note: while referencing 'writeback_info'
> > 241 | struct dc_writeback_info writeback_info[MAX_DWB_PIPES];
> > | ^~~~~~~~~~~~~~
>
> I'm not seeing it here, what gcc is this with?
I am using an x86_64 cross compiler hosted on ppc64le - gcc v11.2.0 (on
Debian).
--
Cheers,
Stephen Rothwell
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