[PATCH] drm: rcar_lvds: Fix dual link mode operations

Jacopo Mondi jacopo at jmondi.org
Wed Jul 24 08:37:10 UTC 2019


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 at jmondi.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 at bp.renesas.com>
> > Signed-off-by: Jacopo Mondi <jacopo+renesas at jmondi.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 at linux-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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