Hi Geert,
On Mon, Aug 26, 2019 at 09:31:02AM +0200, Geert Uytterhoeven wrote:
> Hi Jacopo,
>
> On Sun, Aug 25, 2019 at 3:51 PM Jacopo Mondi <jacopo+renesas@xxxxxxxxxx> wrote:
> > Add a driver for the R-Car Display Unit Color Correction Module.
> > In most of Gen3 SoCs, each DU output channel is provided with a CMM unit
> > to perform image enhancement and color correction.
> >
> > Add support for CMM through a driver that supports configuration of
> > the 1-dimensional LUT table. More advanced CMM feature will be
> > implemented on top of this basic one.
> >
> > Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
>
> Thanks for your patch!
>
> > --- /dev/null
> > +++ b/drivers/gpu/drm/rcar-du/rcar_cmm.c
>
> > +static const struct of_device_id rcar_cmm_of_table[] = {
> > + { .compatible = "renesas,cmm-r8a7795", },
> > + { .compatible = "renesas,cmm-r8a7796", },
> > + { .compatible = "renesas,cmm-r8a77965", },
> > + { .compatible = "renesas,cmm-r8a77990", },
> > + { .compatible = "renesas,cmm-r8a77995", },
> > + { .compatible = "renesas,rcar-gen3-cmm", },
>
> As they're all handled the same, you can drop the SoC-specific values
> from the driver's match table.
>
> > + { .compatible = "renesas,rcar-gen2-cmm", },
>
> Just wondering: has this been tested on R-Car Gen2?
>
Not from me :(
It might not be the smartest move to add a compatible for an un-tested
chip generation. I dragged the gen2 compatible in along the series as
it was there in the downstream driver and I assumed BSP has been
tested there, but since I've not been able to run any test on Gen2
board I should probably drop it? Any volunteer with a Gen2 board that
want to run a test?
Thanks
j
> Gr{oetje,eeting}s,
>
> Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
>
> 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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