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
