On Tue, Jan 7, 2014 at 10:58 AM, Grigori Goronzy <greg@xxxxxxxxxxxx> 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 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel