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Date:   Mon, 8 Jun 2020 06:16:22 +0300
From:   Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To:     Qian Cai <cai@lca.pw>
Cc:     kieran.bingham+renesas@ideasonboard.com, airlied@linux.ie,
        daniel@ffwll.ch, dri-devel@lists.freedesktop.org,
        linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] drm/rcar-du: DRM_RCAR_WRITEBACK depends on DRM
Message-ID: <20200608031622.GQ22208@pendragon.ideasonboard.com>
References: <20200608025340.3050-1-cai@lca.pw>
 <20200608031442.GP22208@pendragon.ideasonboard.com>
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Hi Qian,

I forgot to mention, I think the subject line should be

drm/rcar-du: Make DRM_RCAR_WRITEBACK depend on DRM_RCAR_DU

Could you please let me know if you're OK with these two small changes ?

On Mon, Jun 08, 2020 at 06:14:43AM +0300, Laurent Pinchart wrote:
> On Sun, Jun 07, 2020 at 10:53:40PM -0400, Qian Cai wrote:
> > There is no need to select DRM_RCAR_WRITEBACK if DRM=n which just make
> 
> s/DRM=n/DRM_RCAR_DU=n/ here.
> 
> > the generated .config a bit ugly.
> > 
> >  # ARM devices
> >  #
> >  # end of ARM devices
> > 
> >  CONFIG_DRM_RCAR_WRITEBACK=y
> > 
> >  #
> >  # Frame buffer Devices
> > 
> > Let DRM_RCAR_WRITEBACK depend on DRM_RCAR_DU instead.
> > 
> > Signed-off-by: Qian Cai <cai@lca.pw>
> 
> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> 
> No need to submit a v3 if you agree with the above change, I'll fix it
> in my tree.
> 
> > ---
> >  drivers/gpu/drm/rcar-du/Kconfig | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/drivers/gpu/drm/rcar-du/Kconfig b/drivers/gpu/drm/rcar-du/Kconfig
> > index 0919f1f159a4..3304b41f5611 100644
> > --- a/drivers/gpu/drm/rcar-du/Kconfig
> > +++ b/drivers/gpu/drm/rcar-du/Kconfig
> > @@ -48,3 +48,4 @@ config DRM_RCAR_VSP
> >  config DRM_RCAR_WRITEBACK
> >  	bool
> >  	default y if ARM64
> > +	depends on DRM_RCAR_DU

-- 
Regards,

Laurent Pinchart