linux-kernel - Re: [PATCHv3 1/3] video: mxsfb: fix color settings for 18bit data bus and 32bpp

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Message-ID: <20130802091926.GR2911@lukather>
Date:	Fri, 2 Aug 2013 11:19:26 +0200
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Tomi Valkeinen <tomi.valkeinen@...com>
Cc:	plagnioj@...osoft.com,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	hector.palacios@...i.com,
	Thomas Petazzoni <thomas@...e-electrons.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-fbdev@...r.kernel.org
Subject: Re: [PATCHv3 1/3] video: mxsfb: fix color settings for 18bit data
 bus and 32bpp

On Fri, Aug 02, 2013 at 11:35:29AM +0300, Tomi Valkeinen wrote:
> On 01/08/13 11:40, Maxime Ripard wrote:
> > From: Hector Palacios <hector.palacios@...i.com>
> > 
> > For a combination of 18bit LCD data bus width and a color
> > mode of 32bpp, the driver was setting the color mapping to
> > rgb666, which is wrong, as the color in memory realy has an
> > rgb888 layout.
> > 
> > This patch also removes the setting of flag CTRL_DF24 that
> > makes the driver dimiss the upper 2 bits when handling 32/24bpp
> > colors in a diplay with 18bit data bus width. This flag made
> > true color images display wrong in such configurations.
> > 
> > Finally, the color mapping rgb666 has also been removed as nobody
> > is using it and high level applications like Qt5 cannot work
> > with it either.
> > 
> > Reference: https://lkml.org/lkml/2013/5/23/220
> > Signed-off-by: Hector Palacios <hector.palacios@...i.com>
> > Acked-by: Juergen Beisert <jbe@...gutronix.de>
> > Acked-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
> > Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
> > ---
> >  drivers/video/mxsfb.c | 26 --------------------------
> >  1 file changed, 26 deletions(-)
> 
> This one is labeled as "fix". Should it got to v3.11?

It would be better yes. Otherwise, 3.12 will do.

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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