RE: [PATCH v2 6/9] drm: rcar-du: lvds: Fix companion's mode

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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




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