[Letux-kernel] omapdrm: Pandora Blues

Tomi Valkeinen tomi.valkeinen at ti.com
Tue Nov 7 08:57:05 CET 2017

On 06/11/17 19:52, H. Nikolaus Schaller wrote:

> So which one is the "future proof"?
> compatible = "toppoly,td028ttec1"
> or
> compatible = "omapdss,tpo,td043mtea1"

In the dts, you should never have the omapdss prefix.

> If VDDS_DSI isn't enabled it garbles the panel RGB signals. That would explain a lot.
> It is still funny why it only affects the Red and Green channel, but that may have
> to do something with the pad drivers inside the chip. Maybe those for Blue are powered
> differently...

Yep, if you look at the datamanual, you'll see the pins which VDDS_DSI
powers. It doesn't affect all the DPI pins.


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