Re: [Intel-gfx] [PATCH 6/7] drm/i915: Try harder during dp pattern 1 link training

2011-11-03 Thread Jesse Barnes
On Tue, 1 Nov 2011 23:20:29 -0700 Keith Packard kei...@keithp.com wrote: Instead of going through the sequence just once, run through the whole set up to 5 times to see if something can work. This isn't part of the DP spec, but the BIOS seems to do it, and given that link training failure is

Re: [Intel-gfx] [PATCH 6/7] drm/i915: Try harder during dp pattern 1 link training

2011-11-03 Thread Keith Packard
On Thu, 3 Nov 2011 13:03:29 -0700, Jesse Barnes jbar...@virtuousgeek.org wrote: Sneaky putting this bug fix into this patch. :) Ickle already saw that, and I've split it out into a separate patch. I don't think this is necessary, but it seems like a sensible change. Don't you love the

[Intel-gfx] [PATCH 6/7] drm/i915: Try harder during dp pattern 1 link training

2011-11-02 Thread Keith Packard
Instead of going through the sequence just once, run through the whole set up to 5 times to see if something can work. This isn't part of the DP spec, but the BIOS seems to do it, and given that link training failure is so bad, it seems reasonable to follow suit. Signed-off-by: Keith Packard

Re: [Intel-gfx] [PATCH 6/7] drm/i915: Try harder during dp pattern 1 link training

2011-11-02 Thread Chris Wilson
On Tue, 1 Nov 2011 23:20:29 -0700, Keith Packard kei...@keithp.com wrote: Instead of going through the sequence just once, run through the whole set up to 5 times to see if something can work. This isn't part of the DP spec, but the BIOS seems to do it, and given that link training failure is

Re: [Intel-gfx] [PATCH 6/7] drm/i915: Try harder during dp pattern 1 link training

2011-11-02 Thread Keith Packard
On Wed, 02 Nov 2011 09:12:13 +, Chris Wilson ch...@chris-wilson.co.uk wrote: This would seem to be a separate chunk to initiate training on only the lanes we intend to use. -Chris Here's that patch separated out: commit e7fecae483754ca9a42312be18f58ceb454702fe Author: Keith Packard