Hello Marek, On 16.05.24 13:14, Marek Vasut wrote: > On 5/16/24 10:00 AM, Francesco Dolcini wrote: >> Hello Marek, > > Hi, > >> On Tue, May 14, 2024 at 03:06:42AM +0200, Marek Vasut wrote: >>> Enable HDMI output on i.MX8MP DHCOM PDK2 and PDK3. The I2C5 on PDK2 and >>> I2C mux port 1 on PDK3 respectively are used in regular I2C mode instead >>> of HDMI DDC mode to permit connection of other I2C devices on those buses. >> >> Are you able to read the HDMI EDID with such configuration? I have the >> patch ready for verdin imx8mp, I just did not have time to figure out >> this last details. > > Yes with ddc-i2c-bus in hdmi_tx{} node, no with ddc-i2c-bus in connector node. Maybe that's what you're running into ? The DW HDMI core needs the ddc-i2c-bus property in hdmi_tx{} node if you use non-native I2C bus for the DDC channel. What benefit does the hdmi-connector provide over just omitting it? Just for documentation purposes? Thanks, Ahmad > > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |