On Sat, Nov 03, 2012 at 11:21:58AM +0100, Daniel Vetter wrote:
Well, we know for sure that fdi link training is broken - it doesn't match at all what the spec says we should do. I've been working on this lately, since in quite a few circumstances the link train fails without the relevent bits indicating so. While testing I've also noticed that this entire thing is highly timing dependent, e.g. denpending upon which desktop is running and which tool I use to change the configuration it fails or succeeds.
So it is still (somewhat) broken in 3.7-rcX? Certainly it seems to be better (at least for me) than what was in 3.6.3. Or are you saying I may have just gotten lucky? :-)
So I have no suggestions for what could help your system and what should get backported, since the current code is still broken.
Thanks for your response and for your work in making the i915 driver better. I really appreciate your efforts.
Cheers,
- Ted