[PATCH] ARM: tegra: Fix nyan-big panel binding

[Steev Klimaszewski]

On Sun, 2015-07-19 at 16:43 -0600, Dylan Reid wrote:
> On Sun, Jul 19, 2015 at 2:15 PM, Steev Klimaszewski <
> threeway at gmail.com> wrote:
> > The nyan-big Chromebook uses a 1920x1080 panel, not a 1366x768 
> > panel so correct
> > the binding.
> 
> This isn't incorrect, although it is not complete.  Nyan-big (Acer
> CB5-311) has _both_ a 1920x1080 and 1366x768 variant available.  They
> are referred to as the "Full HD" and "HD" models respectively.


Actually, as it turns out, that was a wrong turn. 

The real issue is that 1d002fa720738bcd0bddb9178e9ea0773288e1dd
(drm/dp: Use large transactions for I2C over AUX) breaks reading of
EDID data on the nyan_big "Full HD" - I'm not sure if it does on
others, but by setting DP_AUX_MAX_PAYLOAD_BYTES to 1, it fixed reading
the EDID data here and I have 1920x1080 at boot, with valid EDID data.

Not really sure the best way to go about doing that though.  I've poked
at some people in #dri-devel on irc, to see what they think.