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From:   Benjamin Gaignard <benjamin.gaignard@linaro.org>
Date:   Mon, 1 Apr 2019 11:07:04 +0200
Message-ID: <CA+M3ks5uQOSW8Jf4PLSQONNL=BS_SGLcX_eC=MuK539Bebh47g@mail.gmail.com>
Subject: Re: [PATCH] drm/stm: dw_mipi_dsi-stm: add sleep power management
To:     Philippe CORNU <philippe.cornu@st.com>
Cc:     Yannick FERTRE <yannick.fertre@st.com>,
        Thierry Reding <thierry.reding@gmail.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        "dri-devel@lists.freedesktop.org" <dri-devel@lists.freedesktop.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "linux-stm32@st-md-mailman.stormreply.com" 
        <linux-stm32@st-md-mailman.stormreply.com>
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Le mar. 26 mars 2019 =C3=A0 13:57, Philippe CORNU <philippe.cornu@st.com> a=
 =C3=A9crit :
>
> Dear Yannick,
> Many thanks for your patch.
>
> Acked-by: Philippe Cornu <philippe.cornu@st.com>

Applied on drm-misc-next.

Benjamin

>
> Philippe :-)
>
>
> On 3/21/19 9:13 AM, Yannick Fertr=C3=A9 wrote:
> > Implements system sleep power management ops.
> >
> > Signed-off-by: Yannick Fertr=C3=A9 <yannick.fertre@st.com>
> > ---
> >   drivers/gpu/drm/stm/dw_mipi_dsi-stm.c | 28 ++++++++++++++++++++++++++=
++
> >   1 file changed, 28 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c b/drivers/gpu/drm/st=
m/dw_mipi_dsi-stm.c
> > index a672b59..1bef73e 100644
> > --- a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
> > +++ b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
> > @@ -356,12 +356,40 @@ static int dw_mipi_dsi_stm_remove(struct platform=
_device *pdev)
> >       return 0;
> >   }
> >
> > +static int __maybe_unused dw_mipi_dsi_stm_suspend(struct device *dev)
> > +{
> > +     struct dw_mipi_dsi_stm *dsi =3D dw_mipi_dsi_stm_plat_data.priv_da=
ta;
> > +
> > +     DRM_DEBUG_DRIVER("\n");
> > +
> > +     clk_disable_unprepare(dsi->pllref_clk);
> > +
> > +     return 0;
> > +}
> > +
> > +static int __maybe_unused dw_mipi_dsi_stm_resume(struct device *dev)
> > +{
> > +     struct dw_mipi_dsi_stm *dsi =3D dw_mipi_dsi_stm_plat_data.priv_da=
ta;
> > +
> > +     DRM_DEBUG_DRIVER("\n");
> > +
> > +     clk_prepare_enable(dsi->pllref_clk);
> > +
> > +     return 0;
> > +}
> > +
> > +static const struct dev_pm_ops dw_mipi_dsi_stm_pm_ops =3D {
> > +     SET_SYSTEM_SLEEP_PM_OPS(dw_mipi_dsi_stm_suspend,
> > +                             dw_mipi_dsi_stm_resume)
> > +};
> > +
> >   static struct platform_driver dw_mipi_dsi_stm_driver =3D {
> >       .probe          =3D dw_mipi_dsi_stm_probe,
> >       .remove         =3D dw_mipi_dsi_stm_remove,
> >       .driver         =3D {
> >               .of_match_table =3D dw_mipi_dsi_stm_dt_ids,
> >               .name   =3D "stm32-display-dsi",
> > +             .pm =3D &dw_mipi_dsi_stm_pm_ops,
> >       },
> >   };
> >
> >
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