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From: Andreas Kemnade <andreas@kemnade.info>
To: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Cc: airlied@gmail.com, daniel@ffwll.ch,
	u.kleine-koenig@pengutronix.de, arnd@arndb.de,
	laurent.pinchart@ideasonboard.com,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	Tony Lindgren <tony@atomide.com>,
	linux-omap@vger.kernel.org, Sebastian Reichel <sre@kernel.org>
Subject: Re: [RFC PATCH] drm: omapdrm: dsi: add refsel also for omap4
Date: Wed, 13 Sep 2023 18:52:02 +0200	[thread overview]
Message-ID: <20230913185202.6e6c5341@akphone> (raw)
In-Reply-To: <48972ab0-e4ed-11b2-31fb-ad93695a4db1@ideasonboard.com>

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

      parent reply	other threads:[~2023-09-13 16:52 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-13  6:59 [RFC PATCH] drm: omapdrm: dsi: add refsel also for omap4 Andreas Kemnade
2023-09-13  7:15 ` Tony Lindgren
2023-09-13 12:11 ` Tomi Valkeinen
2023-09-13 12:48   ` Tony Lindgren
2023-09-13 12:58     ` Tomi Valkeinen
2023-09-17 14:34       ` Andreas Kemnade
2023-09-13 16:52   ` Andreas Kemnade [this message]

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