linux-kernel - Re: [PATCH] drm: rcar_lvds: Fix dual link mode operations

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Message-ID: <20190724083710.wnttvauam2zwiii7@uno.localdomain>
Date:   Wed, 24 Jul 2019 10:37:10 +0200
From:   Jacopo Mondi <jacopo@...ndi.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Jacopo Mondi <jacopo+renesas@...ndi.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Fabrizio Castro <fabrizio.castro@...renesas.com>,
        "open list:DRM DRIVERS FOR RENESAS" <dri-devel@...ts.freedesktop.org>,
        "open list:DRM DRIVERS FOR RENESAS" 
        <linux-renesas-soc@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm: rcar_lvds: Fix dual link mode operations

Hi Geert,

On Wed, Jul 24, 2019 at 09:28:58AM +0200, Geert Uytterhoeven wrote:
> Hi Jacopo,
>
> On Wed, Jul 24, 2019 at 3:38 AM Jacopo Mondi <jacopo+renesas@...ndi.org> wrote:
> > The R-Car LVDS encoder units support dual-link operations by splitting
> > the pixel output between the primary encoder and the companion one.
> >
> > In order for the primary encoder to succesfully control the companion's
> > operations this should not fail at probe time and register itself its
> > associated drm bridge so that the primary one can find it.
> >
> > Currently the companion encoder fails at probe time, causing the
> > registration of the primary to fail preventing the whole DU unit to be
> > registered correctly.
> >
> > Fixes: fa440d870358 ("drm: rcar-du: lvds: Add support for dual-link mode")
> > Reported-by: Fabrizio Castro <fabrizio.castro@...renesas.com>
> > Signed-off-by: Jacopo Mondi <jacopo+renesas@...ndi.org>
> >
> > ---
> > The "Fixes" tag refers to a patch currently part of the
> > renesas-drivers-2019-07-09-v5.2 branch of Geert's renesas-drivers tree.
>
> The broken commit is also present in v5.3-rc1.

You're right... This is then entitled to be collected for rc2 then.

Thanks
   j
>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds

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