Hi Vladimir, Am Montag, den 31.08.2015, 00:34 +0300 schrieb Vladimir Zapolskiy: > The change adds support of internal HDMI I2C master controller, this > subdevice is used by default, if "ddc-i2c-bus" DT property is omitted. I think this should be mentioned in Documentation/devicetree/bindings/drm/bridge/dw_hdmi.txt > 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> > --- > The change is based on today's v4.2, please let me know, if it should be rebased. > > The change has compilation dependency on I2CM_ADDRESS register name fix, > see http://lists.freedesktop.org/archives/dri-devel/2015-May/082980.html > > From http://lists.freedesktop.org/archives/dri-devel/2015-May/082981.html > v1 of the change was > > Tested-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> > > but I hesitate to add the tag here due to multiple updates in v2. Tested again, v2 still works fine on Nitrogen6X with HDMI monitor. regards Philipp _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
