linux-kernel - Re: [PATCH v2 00/11] Support for H3 Composite Output support

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Date:   Wed, 07 Jun 2017 08:26:01 +0800
From:   icenowy@...c.io
To:     Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Rob Herring <robh+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Jernej Škrabec 
        <jernej.skrabec@...l.net>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linux-sunxi@...glegroups.com,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 00/11] Support for H3 Composite Output support

在 2017-06-05 00:01，Icenowy Zheng 写道：
> Allwinner H3 SoC features a TV Encoder like the one in Allwinner A13,
> which can only output TV Composite signal.
> 
> The display pipeline of H3 is also special -- it has two mixers and
> two TCONs, of which the connection can be swapped. The TCONs do not
> have channel 0 (as they are all connected to internal bridges, TVE
> and HDMI TX).
> 
> Add support for the display pipeline and the TVE in H3, in order to
> make it possible to display something with mainline kernel with H3.
> 
> The image quality of TVE is bad, so HDMI is a better output -- this
> patchset also prepared the mixers and TCONs for HDMI output, and
> the HDMI controller driver is already done by Jernej Skrabec.
> 
> So if possible, please apply PATCH 1~5 and 8,9 as soon as possible,
> so that Jernej can submit his HDMI patches.
> 
> Currently the jack detection feature of the TVE is still not so
> clear -- so it's not implemented in this version. Thus the TV
> output shouldn't be defaultly enabled now.
> 
> Icenowy Zheng (11):
>   dt-bindings: update the binding for Allwinner H3 TVE support
>   drm: sun4i: add support for H3 mixers
>   drm: sun4i: ignore swapped mixer<->tcon connection for DE2
>   drm: sun4i: add support for H3's TCON0/1
>   drm: sun4i: add compatible for H3 display engine
>   drm: sun4i: add color space correction support for DE2 mixer
>   drm: sun4i: add support for the TV encoder in H3 SoC
>   clk: sunxi-ng: allow CLK_DE to set CLK_PLL_DE for H3
>   clk: sunxi-ng: export CLK_PLL_DE for H3
>   ARM: sun8i: h3: add display engine pipeline for TVE
>   [DO NOT MERGE] ARM: sun8i: h3: enable TV output on Orange Pi PC

Maxime, could you pick some patches that you think appliable in this
series? (especially PATCH 1, the binding patch)

I think they can be useful.

Thanks!

> 
>  .../bindings/display/sunxi/sun4i-drm.txt           |  37 +++-
>  arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts         |  12 ++
>  arch/arm/boot/dts/sun8i-h3.dtsi                    | 186 
> +++++++++++++++++++++
>  drivers/clk/sunxi-ng/ccu-sun8i-h3.c                |   2 +-
>  drivers/clk/sunxi-ng/ccu-sun8i-h3.h                |   3 +-
>  drivers/gpu/drm/sun4i/sun4i_drv.c                  |  46 +++++
>  drivers/gpu/drm/sun4i/sun4i_tcon.c                 | 113 ++++++++++---
>  drivers/gpu/drm/sun4i/sun4i_tcon.h                 |   3 +
>  drivers/gpu/drm/sun4i/sun4i_tv.c                   |  35 +++-
>  drivers/gpu/drm/sun4i/sun8i_mixer.c                |  53 ++++++
>  drivers/gpu/drm/sun4i/sun8i_mixer.h                |   6 +-
>  include/dt-bindings/clock/sun8i-h3-ccu.h           |   2 +
>  12 files changed, 463 insertions(+), 35 deletions(-)