Re: [PATCH 2/7] drm: rcar-du: Add r8a7742 support

From: Laurent Pinchart
Date: Sun Aug 09 2020 - 19:04:06 EST


Hi Prabhakar,

On Sun, Aug 09, 2020 at 09:38:05PM +0100, Lad, Prabhakar wrote:
> On Sat, Aug 8, 2020 at 10:02 PM Laurent Pinchart wrote:
> > On Fri, Aug 07, 2020 at 06:49:49PM +0100, Lad Prabhakar wrote:
> > > Add direct support for the r8a7742 (RZ/G1H).
> > >
> > > The RZ/G1H shares a common, compatible configuration with the r8a7790
> > > (R-Car H2) so that device info structure is reused, the only difference
> > > being TCON is unsupported on RZ/G1H (Currently unsupported by the driver).
> > >
> > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> > > Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@xxxxxxxxxxxxxx>
> > > ---
> > > drivers/gpu/drm/rcar-du/rcar_du_drv.c | 5 +++--
> > > 1 file changed, 3 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> > > index 3e67cf70f040..7e286c7a7a6c 100644
> > > --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> > > +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> > > @@ -216,8 +216,8 @@ static const struct rcar_du_device_info rcar_du_r8a7790_info = {
> > > .channels_mask = BIT(2) | BIT(1) | BIT(0),
> > > .routes = {
> > > /*
> > > - * R8A7790 has one RGB output, two LVDS outputs and one
> > > - * (currently unsupported) TCON output.
> > > + * R8A7742 and R8A7790 each have one RGB output and two LVDS outputs. Additionally
> > > + * R8A7790 supports one TCON output (currently unsupported by the driver).
> >
> > Once we support TCON we'll have to split this, but for now I suppose
> > it's fine. Would you however mind wrapping this to 80 columns ? I can do
> > so when applying if it's fine with you.
>
> Agreed once TCON is added this has to be split. But isn't the column
> size has been increased (checkpatch too doesn't complain about), but

It has, but it doesn't mean it's mandatory to increase line length :-)
I think aligning with the style of the existing code should be favoured.

> feel free to wrapp it for 80 columns.

OK, I'll do that.

> > Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> >
> > > */
> > > [RCAR_DU_OUTPUT_DPAD0] = {
> > > .possible_crtcs = BIT(2) | BIT(1) | BIT(0),
> > > @@ -443,6 +443,7 @@ static const struct rcar_du_device_info rcar_du_r8a7799x_info = {
> > > };
> > >
> > > static const struct of_device_id rcar_du_of_table[] = {
> > > + { .compatible = "renesas,du-r8a7742", .data = &rcar_du_r8a7790_info },
> > > { .compatible = "renesas,du-r8a7743", .data = &rzg1_du_r8a7743_info },
> > > { .compatible = "renesas,du-r8a7744", .data = &rzg1_du_r8a7743_info },
> > > { .compatible = "renesas,du-r8a7745", .data = &rzg1_du_r8a7745_info },

--
Regards,

Laurent Pinchart