linux-kernel - Re: [PATCH] drm/stm: ltdc: restore calls to clk_{enable/disable}

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Date:   Tue, 28 May 2019 09:30:28 +0200
From:   Benjamin Gaignard <benjamin.gaignard@...aro.org>
To:     Philippe CORNU <philippe.cornu@...com>
Cc:     Benjamin GAIGNARD <benjamin.gaignard@...com>,
        Yannick FERTRE <yannick.fertre@...com>,
        "airlied@...ux.ie" <airlied@...ux.ie>,
        "daniel@...ll.ch" <daniel@...ll.ch>,
        Alexandre TORGUE <alexandre.torgue@...com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/stm: ltdc: restore calls to clk_{enable/disable}

Le lun. 27 mai 2019 à 14:28, Philippe CORNU <philippe.cornu@...com> a écrit :
>
> Hi Benjamin,
>
> Many thanks for this fix (and more generally for pushing STM patches on
> misc :-)
>
> Acked-by: Philippe Cornu <philippe.cornu@...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@...aro.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@...aro.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 = crtc_to_ltdc(crtc);
> >       int rate = 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 = clk_get_rate(ldev->pixel_clk) / 1000;
> >
> >
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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