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From:   Benjamin Gaignard <benjamin.gaignard@linaro.org>
Date:   Tue, 28 May 2019 09:30:28 +0200
Message-ID: <CA+M3ks5UxZ0iugtR_zJPshtC=HAjoAzTPmu6oxt7BQWTuj203Q@mail.gmail.com>
Subject: Re: [PATCH] drm/stm: ltdc: restore calls to clk_{enable/disable}
To:     Philippe CORNU <philippe.cornu@st.com>
Cc:     Benjamin GAIGNARD <benjamin.gaignard@st.com>,
        Yannick FERTRE <yannick.fertre@st.com>,
        "airlied@linux.ie" <airlied@linux.ie>,
        "daniel@ffwll.ch" <daniel@ffwll.ch>,
        Alexandre TORGUE <alexandre.torgue@st.com>,
        "linux-arm-kernel@lists.infradead.org" 
        <linux-arm-kernel@lists.infradead.org>,
        "linux-stm32@st-md-mailman.stormreply.com" 
        <linux-stm32@st-md-mailman.stormreply.com>,
        "dri-devel@lists.freedesktop.org" <dri-devel@lists.freedesktop.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
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Le lun. 27 mai 2019 =C3=A0 14:28, Philippe CORNU <philippe.cornu@st.com> a =
=C3=A9crit :
>
> Hi Benjamin,
>
> Many thanks for this fix (and more generally for pushing STM patches on
> misc :-)
>
> Acked-by: Philippe Cornu <philippe.cornu@st.com>

Applied on drm-misc-next,
sorry for the mistake.

Benjamin
>
> Philippe :-)
>
> On 5/27/19 1:58 PM, Benjamin Gaignard wrote:
> > From: Benjamin Gaignard <benjamin.gaignard@linaro.org>
> >
> > Restore calls to clk_{enable/disable} deleted after applying the wrong
> > version of the patch
> >
> > Fixes: fd6905fca4f0 ("drm/stm: ltdc: remove clk_round_rate comment")
> >
> > Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
> > ---
> >   drivers/gpu/drm/stm/ltdc.c | 2 ++
> >   1 file changed, 2 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
> > index ae2aaf2a62ee..ac29890edeb6 100644
> > --- a/drivers/gpu/drm/stm/ltdc.c
> > +++ b/drivers/gpu/drm/stm/ltdc.c
> > @@ -507,10 +507,12 @@ static bool ltdc_crtc_mode_fixup(struct drm_crtc =
*crtc,
> >       struct ltdc_device *ldev =3D crtc_to_ltdc(crtc);
> >       int rate =3D mode->clock * 1000;
> >
> > +     clk_disable(ldev->pixel_clk);
> >       if (clk_set_rate(ldev->pixel_clk, rate) < 0) {
> >               DRM_ERROR("Cannot set rate (%dHz) for pixel clk\n", rate)=
;
> >               return false;
> >       }
> > +     clk_enable(ldev->pixel_clk);
> >
> >       adjusted_mode->clock =3D clk_get_rate(ldev->pixel_clk) / 1000;
> >
> >
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