linux-kernel - Re: [PATCH 00/23] Nokia N950 display support

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Date:	Wed, 9 Mar 2016 23:02:01 +0200
From:	Aaro Koskinen <aaro.koskinen@....fi>
To:	Sebastian Reichel <sre@...nel.org>
Cc:	Tony Lindgren <tony@...mide.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	David Airlie <airlied@...ux.ie>, linux-omap@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/23] Nokia N950 display support

Hi,

On Tue, Mar 08, 2016 at 09:45:11PM +0100, Sebastian Reichel wrote:
> On Tue, Mar 08, 2016 at 08:39:08PM +0200, Aaro Koskinen wrote:
> > On Tue, Mar 08, 2016 at 05:39:32PM +0100, Sebastian Reichel wrote:
> > > This series adds support for the Nokia N950 display.
> > > Since the panel is using DSI command mode, it involves
> > > adding support for manually updated displays to
> > > omapdrm.
> > 
> > Works OK, but the picture seems to be upside down?
> 
> vertical, upside down is the native panel orientation.
> 
> > Also shouldn't the default orientation be landscape?
> 
> The N950 vendor kernel contains some code adding DSI
> rotation support with half-frame update mechnism to
> avoid tearing. It's quite complex and as far as I
> understand it also error-prone. Tomi knows more about
> that.

Ok, my comment was actually about fbcon (which doesn't need driver support
for rotation). But I guess there is no way to tell it what the default
should be, instead user needs to pass the correct rotation manually...

Anyway, for this series:

Tested-by: Aaro Koskinen <aaro.koskinen@....fi>

A.