[PATCH] drm/edid: move DDC_SEGMENT_ADDR into drm_edid.h

[Shawn Guo]

On Thu, Jul 14, 2016 at 02:45:41PM +0200, Daniel Vetter wrote:
> On Thu, Jul 14, 2016 at 05:00:28PM +0800, Shawn Guo wrote:
> > The same definition of DDC_SEGMENT_ADDR is currently defined in two
> > places, drm_edid.c and inno_hdmi.h.  Let's consolidate the definition
> > into drm_edid.h in the same way that DDC_ADDR is defined.
> > 
> > Signed-off-by: Shawn Guo <shawnguo at kernel.org>
> 
> What really should be done here is nuke the fake i2c adapter in
> inno_hdmi.c and instead just directly read the edid from the hdim IP.
> Using drm_get_edid for something that's not backed by a real i2c bus is
> bonghits.

This patch just makes some change literally.  I do not understand how
the IP block works at all.  I thought the HDMI IP talks to monitors
using I2C protocol implemented inside the IP block.  I added Rockchip
folks to see if we can get any clarifications from them.

Shawn