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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 7 Jun 2013 11:02:28 +0200
From:	"maxime.ripard@...e-electrons.com" <maxime.ripard@...e-electrons.com>
To:	Hector Palacios <hector.palacios@...i.com>
Cc:	FlorianSchandinat@....de, linux-fbdev@...r.kernel.org,
	Juergen Beisert <jbe@...gutronix.de>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"fabio.estevam@...escale.com" <fabio.estevam@...escale.com>,
	"brian@...stalfontz.com" <brian@...stalfontz.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	"shawn.guo@...aro.org" <shawn.guo@...aro.org>,
	plagnioj@...osoft.com
Subject: Re: [PATCH] video: mxsfb: fix color settings for 18bit data bus and
 32bpp

Hi Hector,

On Fri, Jun 07, 2013 at 10:10:39AM +0200, Hector Palacios wrote:
> 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>

Please also note that fbdev is now maintained by Jean Christophe
Plagniol-Villard (plagnioj@...osoft.com, in CC), and that he is away
until the 10th of June, so maybe it should be safe to resend it to him
after this date.

Thanks!
Maxime
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/