Hi Laurent,
Thank you for your feedback!
> From: linux-renesas-soc-owner@xxxxxxxxxxxxxxx <linux-renesas-soc-owner@xxxxxxxxxxxxxxx> On Behalf Of Laurent Pinchart
> Sent: 15 August 2019 12:55
> Subject: Re: [PATCH v2 6/9] drm: rcar-du: lvds: Fix companion's mode
>
> Hi Fabrizio,
>
> Thank you for the patch.
>
> On Thu, Aug 15, 2019 at 12:04:30PM +0100, Fabrizio Castro wrote:
> > The companion encoder needs to be told to use the same
> > mode as the primary encoder.
> >
> > Fixes: e9e8798ab7b8 ("drm: rcar-du: lvds: Add support for dual-link mode")
> > Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
> >
> > ---
> > v1->v2:
> > * reworked according to Laurent's feedback
> >
> > drivers/gpu/drm/rcar-du/rcar_lvds.c | 5 +++++
> > 1 file changed, 5 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/rcar-du/rcar_lvds.c b/drivers/gpu/drm/rcar-du/rcar_lvds.c
> > index 3fe0b86..41d28f4 100644
> > --- a/drivers/gpu/drm/rcar-du/rcar_lvds.c
> > +++ b/drivers/gpu/drm/rcar-du/rcar_lvds.c
> > @@ -603,6 +603,11 @@ static void rcar_lvds_mode_set(struct drm_bridge *bridge,
> > lvds->display_mode = *adjusted_mode;
> >
> > rcar_lvds_get_lvds_mode(lvds);
> > + if (lvds->companion) {
> > + struct rcar_lvds *companion_lvds = bridge_to_rcar_lvds(
> > + lvds->companion);
> > + companion_lvds->mode = lvds->mode;
>
> How about calling rcar_lvds_mode_set() on the companion instead ?
Can do, will send a new version.
Cheers,
Fab
>
> > + }
> > }
> >
> > static int rcar_lvds_attach(struct drm_bridge *bridge)
>
> --
> Regards,
>
> Laurent Pinchart
