Re: [Intel-gfx] [PATCH] drm/i915: check fdi B/C lane sharing constraint

2012-10-29 Thread Daniel Vetter
On Mon, Oct 29, 2012 at 10:06:56AM -0200, Paulo Zanoni wrote: > Hi > > 2012/10/27 Daniel Vetter : > > And properly toggle the chicken bit in the pch to enable/disable fdi C > > rx. If we don't set this bit correctly, the rx gets confused in link > > training, which can result in an fdi link that s

Re: [Intel-gfx] [PATCH] drm/i915: check fdi B/C lane sharing constraint

2012-10-29 Thread Paulo Zanoni
Hi 2012/10/27 Daniel Vetter : > And properly toggle the chicken bit in the pch to enable/disable fdi C > rx. If we don't set this bit correctly, the rx gets confused in link > training, which can result in an fdi link that silently fails to train > the link (since the corresponding register report

[Intel-gfx] [PATCH] drm/i915: check fdi B/C lane sharing constraint

2012-10-27 Thread Daniel Vetter
And properly toggle the chicken bit in the pch to enable/disable fdi C rx. If we don't set this bit correctly, the rx gets confused in link training, which can result in an fdi link that silently fails to train the link (since the corresponding register reports success). Note that both fdi link B a