[PATCH 3/5] drm: rcar-du: Add r8a77470 support

[Fabrizio Castro]

Hello Laurent,

Thank you for your feedback.

> Subject: Re: [PATCH 3/5] drm: rcar-du: Add r8a77470 support
>
> Hi Fabrizio,
>
> Thank you for the patch.
>
> On Friday, 21 September 2018 21:08:29 EEST Fabrizio Castro wrote:
> > Add RZ/G1C (a.k.a. r8a77470) support to the R-Car DU driver.
> >
> > Signed-off-by: Fabrizio Castro <fabrizio.castro at bp.renesas.com>
> > Reviewed-by: Biju Das <biju.das at bp.renesas.com>
> > ---
> >  drivers/gpu/drm/rcar-du/rcar_du_drv.c | 26 ++++++++++++++++++++++++++
> >  1 file changed, 26 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> > b/drivers/gpu/drm/rcar-du/rcar_du_drv.c index 02aee6c..c07d3f1 100644
> > --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> > +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> > @@ -77,6 +77,31 @@ static const struct rcar_du_device_info
> > rzg1_du_r8a7745_info = { },
> >  };
> >
> > +static const struct rcar_du_device_info rzg1_du_r8a77470_info = {
> > +.gen = 2,
> > +.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
> > +  | RCAR_DU_FEATURE_EXT_CTRL_REGS,
>
> The DU driver has recently gained two new feature flags,
> RCAR_DU_FEATURE_INTERLACED and RCAR_DU_FEATURE_TVM_SYNC. I believe that both
> should be set here. Could you please confirm (and test) ?

I can confirm that both feature flags need to be set and all the test pass.
Will send a new version for this.

>
> > +.channels_mask = BIT(1) | BIT(0),
> > +.routes = {
> > +/*
> > + * R8A77470 has two RGB outputs, one LVDS output, and
> > + * one analog video output (unsupported)
>
> I'd write this "and one (currently unsupported) analog video output" to match
> the other device entries. With this fixed,

Will fix this as well.

Thanks,
Fab

>
> Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
>
> > + */
> > +[RCAR_DU_OUTPUT_DPAD0] = {
> > +.possible_crtcs = BIT(0),
> > +.port = 0,
> > +},
> > +[RCAR_DU_OUTPUT_DPAD1] = {
> > +.possible_crtcs = BIT(1),
> > +.port = 1,
> > +},
> > +[RCAR_DU_OUTPUT_LVDS0] = {
> > +.possible_crtcs = BIT(0) | BIT(1),
> > +.port = 2,
> > +},
> > +},
> > +};
> > +
> >  static const struct rcar_du_device_info rcar_du_r8a7779_info = {
> >  .gen = 2,
> >  .features = 0,
> > @@ -297,6 +322,7 @@ static const struct rcar_du_device_info
> > rcar_du_r8a77970_info = { static const struct of_device_id
> > rcar_du_of_table[] = {
> >  { .compatible = "renesas,du-r8a7743", .data = &rzg1_du_r8a7743_info },
> >  { .compatible = "renesas,du-r8a7745", .data = &rzg1_du_r8a7745_info },
> > +{ .compatible = "renesas,du-r8a77470", .data = &rzg1_du_r8a77470_info },
> >  { .compatible = "renesas,du-r8a7779", .data = &rcar_du_r8a7779_info },
> >  { .compatible = "renesas,du-r8a7790", .data = &rcar_du_r8a7790_info },
> >  { .compatible = "renesas,du-r8a7791", .data = &rcar_du_r8a7791_info },
>
> --
> Regards,
>
> Laurent Pinchart
>
>




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