[PATCH 01/10] drm: bridge/dw_hdmi: add dw hdmi i2c bus adapter support

[Vladimir Zapolskiy]

Hi Ulrich,

On 11/11/2016 07:07 PM, Ulrich Hecht wrote:
> From: Vladimir Zapolskiy <vladimir_zapolskiy at mentor.com>
>
> The change adds support of internal HDMI I2C master controller, this
> subdevice is used by default, if "ddc-i2c-bus" DT property is omitted.
>
> The main purpose of this functionality is to support reading EDID from
> an HDMI monitor on boards, which don't have an I2C bus connected to
> DDC pins.
>
> The current implementation does not support "I2C Master Interface
> Extended Read Mode" to read data addressed by non-zero segment
> pointer, this means that if EDID has more than 1 extension blocks,
> EDID reading operation won't succeed, in my practice all tested HDMI
> monitors have at maximum one extension block.
>
> Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy at mentor.com>
> Acked-by: Rob Herring <robh at kernel.org>

many thanks to Philipp for pushing the change, as for today, it is in drm-next:

   https://cgit.freedesktop.org/~airlied/linux/commit/?h=drm-next&id=90233ee5d1

--
With best wishes,
Vladimir