linux-kernel - Re: [PATCH v4 00/11] drm: sun4i: Add support for the HDMI controller

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Message-ID: <20170529091641.5psbm7lvgvgob26o@flea.lan>
Date:   Mon, 29 May 2017 11:16:41 +0200
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Chen-Yu Tsai <wens@...e.org>
Cc:     Daniel Vetter <daniel.vetter@...el.com>,
        David Airlie <airlied@...ux.ie>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com, Hans Verkuil <hverkuil@...all.nl>
Subject: Re: [PATCH v4 00/11] drm: sun4i: Add support for the HDMI controller

On Sat, May 27, 2017 at 06:09:25PM +0200, Maxime Ripard wrote:
> Hi,
> 
> Here is an attempt at getting the HDMI controller running.
> 
> This HDMI controller is found on a number of old Allwinner SoCs (A10, A10s,
> A20, A31).
> 
> This driver only supports for now the A10s because it was an easy target,
> being very close to the A13 that is already supported by our DRM driver.
> 
> There's nothing out of the extraordinary there, except maybe the clock
> setup. All the internal clocks (TMDS, DDC) have been modeled using the
> common clock framework, the TMDS clock being the parent of the DDC one.
> 
> While this might sound overkill, other SoC have a different, external
> source for the DDC clock, which will be easier to support through the clock
> framework.
> 
> The IP also supports audio (through an already supported i2s controller,
> and some missing configuration in the HDMI controller) and CEC. Both will
> come eventually.

Applied all the patches.

Maxime

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

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