[Intel-gfx] [PATCH 1/2] drm/i915/crt: Remove 0xa0 probe for CRT

[Dave Airlie]

On Tue, Apr 5, 2011 at 2:26 AM, Keith Packard <keithp at keithp.com> wrote:
> On Mon, 04 Apr 2011 16:29:55 +0100, Chris Wilson <chris at chris-wilson.co.uk> wrote:
>
>> Yes. I'm saying that that the controller accepts a write to port 0xa0.
>
> So it's the GMBUS controller itself then, I guess. Weird.
>
> Let me see if I understand how it used to work and why fixing the GMBUS
> reset causes it to break in this case.
>

I could be missing something here, but aren't i2c addresses 8-bit in this case?

7-bit addr + direction bit, which means 0xa0 isn't valid i2c address,
since in Linux
the read/write bits are specified separately.

I could be wrong though.

Dave.