On Wed, Nov 30, 2016 at 09:41:26PM +0100, Jernej Škrabec wrote:

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The only
code left from you is for DE2. HDMI stuff is basically copied from
Rockhip
driver (including EDID reading), TCON code is now reverted to the same
as
it is in sunxi_display.c. I think it is worth to take a look at EDID
code
and compare it.

So is the TCON of DE 2.0 identical to the original TCON?

If so, we should reuse sun4i-tcon ...

Well, TCON is splitted in two parts (two base addresses), one for HDMI and
one for TV. However, register offsets are same as before, so I guess
driver reusage make sense. I think that there are few additional
registers, but they can be ignored for simplefb.

The TCON1 of the H3 is not usable (no ckock). Analog TV has its own
clock and I/O area.

True, H3 user manual can be misleading sometimes. But this doesn't change the 
fact that TCON0 has same register offsets with same meaning.

Then yes, we should definitely share the drivers too. So, in the end,
the only thing that is actually new is the display-engine?

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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