linux-kernel - Re: [PATCH 02/23] ARM: dts: n950: add display support

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Date:	Wed, 23 Mar 2016 15:01:06 +0100
From:	Sebastian Reichel <sre@...nel.org>
To:	Jani Nikula <jani.nikula@...ux.intel.com>
Cc:	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Tony Lindgren <tony@...mide.com>, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	linux-omap@...r.kernel.org
Subject: Re: [PATCH 02/23] ARM: dts: n950: add display support

Hi,

On Wed, Mar 23, 2016 at 02:40:53PM +0200, Jani Nikula wrote:
> On Thu, 17 Mar 2016, Sebastian Reichel <sre@...nel.org> wrote:
> > On Thu, Mar 17, 2016 at 02:14:26PM +0200, Laurent Pinchart wrote:
> >> [...]
> >> > +
> >> > +		/* panel is 480x464 with top and bottom 5 lines not visible */
> >> 
> >> I assume you mean 480x864 ?
> >
> > Yes, nice catch. Basically the screen is 480x864, but only
> > 480x854 are visible.
> 
> It's been a while, but I thought the full 480x864 was actually usable
> and visible.

I tried that first and the first few lines were missing. The stock
kernel also uses only 854px:

https://github.com/nemomobile/kernel-adaptation-n950-n9/blob/mer-n9-2.6.32-20121301/arch/arm/mach-omap2/board-rm680-video.c

(search for partial_area)

-- Sebastian

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