On 28.09.2015 23:06, Vladimir Zapolskiy wrote: > 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@xxxxxxxxxx> > --- > .../devicetree/bindings/drm/bridge/dw_hdmi.txt | 4 +- > drivers/gpu/drm/bridge/dw_hdmi.c | 263 ++++++++++++++++++++- > drivers/gpu/drm/bridge/dw_hdmi.h | 19 ++ > 3 files changed, 279 insertions(+), 7 deletions(-) > This change is the same as one in reply, but no changelog/version info (sent by mistake two copies, sorry for confusion). -- With best wishes, Vladimir _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
