[PATCH 2/9] drm/i915/intel_i2c: assign HDMI port D to pin pair 6
chris at chris-wilson.co.uk
Wed Mar 7 05:23:06 PST 2012
On Wed, 7 Mar 2012 19:50:43 +0800, Daniel Kurtz <djkurtz at chromium.org> wrote:
> According to i915 documentation , "Port D" (DP/HDMI Port D) is
> actually gmbus pin pair 6 (gmbus0.2:0 == 110b GPIOF), not 7 (111b).
> Pin pair 7 is a reserved pair.
>  Documentation for [DevSNB+] and [DevIBX], as found on
The problem is I took those definitions from the gen2 specs, and munged
in the obvious changes with gen3... And it appears that the GPIO pin
assignment versus GMBUS has changed over the years. And so the can of
worms is opened!
Chris Wilson, Intel Open Source Technology Centre
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