linux-kernel - Re: [PATCH v2 11/18] drm/sun4i: Add A83T support

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Message-ID: <20171128090223.mqp3v2t6koyu6hk4@flea.home>
Date:   Tue, 28 Nov 2017 10:02:23 +0100
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Jernej Škrabec <jernej.skrabec@...l.net>
Cc:     Daniel Vetter <daniel.vetter@...el.com>,
        David Airlie <airlied@...ux.ie>, Chen-Yu Tsai <wens@...e.org>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
        plaes@...es.org, icenowy@...c.io,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
Subject: Re: [PATCH v2 11/18] drm/sun4i: Add A83T support

Hi,

On Mon, Nov 27, 2017 at 05:01:49PM +0100, Jernej Škrabec wrote:
> Dne ponedeljek, 27. november 2017 ob 16:41:35 CET je Maxime Ripard napisal(a):
> > Add support for the A83T display pipeline.
> > 
> > Reviewed-by: Chen-Yu Tsai <wens@...e.org>
> > Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
> > ---
> >  Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt | 3 +++
> >  drivers/gpu/drm/sun4i/sun4i_drv.c                             | 2 ++
> >  drivers/gpu/drm/sun4i/sun4i_tcon.c                            | 5 +++++
> >  drivers/gpu/drm/sun4i/sun8i_mixer.c                           | 4 ++++
> >  4 files changed, 14 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
> > b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt index
> > d4259a4f5171..d6b52e5c48c0 100644
> > --- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
> > +++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
> > @@ -93,6 +93,7 @@ Required properties:
> >     * allwinner,sun6i-a31s-tcon
> >     * allwinner,sun7i-a20-tcon
> >     * allwinner,sun8i-a33-tcon
> > +   * allwinner,sun8i-a83t-tcon-lcd
> >     * allwinner,sun8i-v3s-tcon
> >   - reg: base address and size of memory-mapped region
> >   - interrupts: interrupt associated to this IP
> > @@ -224,6 +225,7 @@ supported.
> > 
> >  Required properties:
> >    - compatible: value must be one of:
> > +    * allwinner,sun8i-a83t-de2-mixer
> 
> What will be the name of the second mixer, once support for HDMI is added? 
> Should we start directly with 0 and 1 postfix ?

What are the differences exactly without the two mixers?

I was hoping to be able to cover them all using properties, indices
are usually pretty badly received in compatibles.

> >  static const struct of_device_id sun8i_mixer_of_table[] = {
> >  	{
> > +		.compatible = "allwinner,sun8i-a83t-de2-mixer",
> > +		.data = &sun8i_v3s_mixer_cfg,
> > +	},
> > +	{
> 
> Maybe you want to squash 12 patch since this works only by luck.

Yeah, I totally meant to do that :)

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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