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Date:   Fri, 7 Oct 2022 03:52:44 +1100
From:   Stephen Rothwell <sfr@canb.auug.org.au>
To:     Alex Deucher <alexdeucher@gmail.com>
Cc:     Stephen Rothwell <sfr@canb.auug.org.au>,
        David Airlie <airlied@redhat.com>,
        Hamza Mahfooz <hamza.mahfooz@amd.com>,
        Mark Brown <broonie@kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        DRI <dri-devel@lists.freedesktop.org>,
        Linux Next Mailing List <linux-next@vger.kernel.org>,
        Aurabindo Pillai <aurabindo.pillai@amd.com>,
        Alex Deucher <alexander.deucher@amd.com>
Subject: Re: linux-next: build failure after merge of the drm tree
Message-ID: <20221007035244.46e258a3@canb.auug.org.au>
In-Reply-To: <CADnq5_N1cZiG39KzUzdHCtLRRCipMMNXjaNuAvoQs8=VTjtGCA@mail.gmail.com>
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        <20221004132047.435d42db@canb.auug.org.au>
        <CAMwc25oshRcJBoCT70B+b42bh5sPqgyoHuBx6K6ZLrwBMHnJzw@mail.gmail.com>
        <20221004140558.64f59f2c@canb.auug.org.au>
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        <CADnq5_PbPQPui1tOdUMB+OYbz6UBMKCgtwvE95oA+SfcN0RzNg@mail.gmail.com>
        <09cd11c5-2a15-3653-957c-88c751fa9029@amd.com>
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        <20221006191245.11bb0e2c@canb.auug.org.au>
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Hi Alex,

On Thu, 6 Oct 2022 09:56:32 -0400 Alex Deucher <alexdeucher@gmail.com> wrot=
e:
>
> This looks good to me.  Care to add you s-o-b?
>=20
> On Thu, Oct 6, 2022 at 4:12 AM Stephen Rothwell <sfr@canb.auug.org.au> wr=
ote:
> >
> > This works as well, and (in my opinion) is better:
> >
> > diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/=
gpu/drm/amd/display/dc/core/dc_stream.c
> > index ae13887756bf..fb6222d4c430 100644
> > --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
> > +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
> > @@ -499,7 +499,7 @@ bool dc_stream_remove_writeback(struct dc *dc,
> >                 struct dc_stream_state *stream,
> >                 uint32_t dwb_pipe_inst)
> >  {
> > -       int i =3D 0, j =3D 0;
> > +       unsigned int i, j;
> >         if (stream =3D=3D NULL) {
> >                 dm_error("DC: dc_stream is NULL!\n");
> >                 return false;
> > @@ -520,9 +520,9 @@ bool dc_stream_remove_writeback(struct dc *dc,
> >         }
> >
> >         /* remove writeback info for disabled writeback pipes from stre=
am */
> > -       for (i =3D 0, j =3D 0; i < stream->num_wb_info && j < MAX_DWB_P=
IPES; i++) {
> > +       for (i =3D 0, j =3D 0; i < stream->num_wb_info; i++) {
> >                 if (stream->writeback_info[i].wb_enabled) {
> > -                       if (i !=3D j)
> > +                       if (j < i)
> >                                 /* trim the array */
> >                                 stream->writeback_info[j] =3D stream->w=
riteback_info[i];
> >                         j++;

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>

--=20
Cheers,
Stephen Rothwell

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