On Tue, Jan 7, 2014 at 10:58 AM, Grigori Goronzy <[email protected]> wrote: > On 07.01.2014 16:14, Alex Deucher wrote: >> >> The hw i2c engines are disabled by default as the >> current implementation is still experimental. Print >> a warning when users enable it so that it's obvious >> when the option is enabled. >> > > Does hardware I2C actually have any advantage in the DDC use case? AFAICT > it's only transferring small amounts of data and mostly on display connect > events, so not very often.
It's lower CPU usage compared to bit-banging and can generate interrupts if you want to do something else while it fetches the EDID. Alex -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
