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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20191128080946.GF4711@pendragon.ideasonboard.com>
Date:   Thu, 28 Nov 2019 10:09:46 +0200
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Jacopo Mondi <jacopo+renesas@...ndi.org>,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        Simon Horman <horms@...ge.net.au>,
        Ulrich Hecht <uli+renesas@...nd.eu>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v7 3/7] drm: rcar-du: Add support for CMM

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@...ndi.org> 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@...asonboard.com>
> > Reviewed-by: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
> > Signed-off-by: Jacopo Mondi <jacopo+renesas@...ndi.org>
> 
> > --- 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