Re: [RFC PATCH] drm: omapdrm: dsi: add refsel also for omap4

From: Andreas Kemnade
Date: Wed Sep 13 2023 - 12:52:18 EST


On Wed, 13 Sep 2023 15:11:08 +0300
Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx> wrote:

> On 13/09/2023 09:59, Andreas Kemnade wrote:
> > Some 3.0 source has it set behind a if (omap4).
> > Maybe it is helpful maybe not, at least in the omap4460
> > trm these bits are marked as reserved.
> > But maybe some dsi video mode panel starts magically working.
>
> Sorry, what does this mean? That this fixes something, or you are
> just guessing?
>
just diffing registers between good and bad. It does not fix anything,
just reducing the diff.

> I'm somewhat sure that the upstream driver used to work on omap4 sdp,
> which has two DSI panels. But I can't even remember what omap4
> version it had.
>
after we are using displays from gpu/drm/displays?

Regards
Andreas