rockowitz

You've done an impressive degree of sleuthing.I've only a couple things to add. Pay attention to the SH byte on feature x60. I briefly owned a Dell U4320, and found...

As you've described yourself as a "beginner" in this area, let me start with a bit of background. You're probably familiar with it, but making it explicit will simplify the...

i915 implementation of i2c on docking stations is quite recent. It was useful for me to see how that is represented in /sys. Video signal and I2C speed are independent....

I apologize for taking a few days to reply to your message.  Reviewing it turned out to reveal a bug in the --bus option in the development version of ddcutil....

@FedeDP Sigh, just when I thought 1.2.1 was ready for release. :( Here are my initial thoughts. What if I surfaced a variant of function _ddca_terminate() (file api_base.c) in the...

This is a long standing problem in the i915 driver. See the [ddcutil FAQ](http://www.ddcutil.com/faq#docking), and issues #11 and #146. It appears to be fixed in the 5.10 kernel. The freedesktop.org...

Please build from branch 1.0.2-dev, execute the following commands, and submit the output: `ddcutil detect --verbose` `ddcutil environment --very-verbose` Thank you.

I've just posted some additional changes on branch 1.0.2-dev to distinguish the "phantom" /dev/i2c device from the ones representing the monitors connected through the dock. See may latest message on...

@boscard & @laur89 I suspect that there's some EDID buffering in DRM that is getting confused. What I see in the **environment** output is that the EDID requests fail, but...

@laur89, @boscard You may be right. It's time to get a release out the door.  It's not so much the **environment** command per se that concerns me, but that I'm...