Re: [PATCH v7 3/7] drm: rcar-du: Add support for CMM

From: Laurent Pinchart
Date: Thu Nov 28 2019 - 03:10:01 EST


Hi Geert,

On Thu, Nov 28, 2019 at 08:56:14AM +0100, Geert Uytterhoeven wrote:
> On Wed, Nov 13, 2019 at 11:04 AM 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 features will be
> > implemented on top of this initial one.
> >
> > Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> > Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
> > Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
>
> > --- a/drivers/gpu/drm/rcar-du/Kconfig
> > +++ b/drivers/gpu/drm/rcar-du/Kconfig
> > @@ -5,6 +5,7 @@ config DRM_RCAR_DU
> > depends on ARM || ARM64
> > depends on ARCH_RENESAS || COMPILE_TEST
> > imply DRM_RCAR_LVDS
> > + imply DRM_RCAR_CMM
> > select DRM_KMS_HELPER
> > select DRM_KMS_CMA_HELPER
> > select DRM_GEM_CMA_HELPER
> > @@ -13,6 +14,13 @@ config DRM_RCAR_DU
> > Choose this option if you have an R-Car chipset.
> > If M is selected the module will be called rcar-du-drm.
> >
> > +config DRM_RCAR_CMM
> > + tristate "R-Car DU Color Management Module (CMM) Support"
> > + depends on DRM && OF
> > + depends on DRM_RCAR_DU
>
> DRM_RCAR_DU already depends on DRM && OF, so the line above
> can be removed.

I've sent a pull request already. Can we address this on top ? Or is it
worth a separate patch, should we wait until we have to touch this and
then fix it in a "while at it" fashion ?

--
Regards,

Laurent Pinchart