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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Takashi Iwai <tiwai@suse.de>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
	Cedric Le Goater <clg@fr.ibm.com>,
	linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] offb: Fix little-endian support
Date: Mon, 16 Jun 2014 07:35:35 +0000	[thread overview]
Message-ID: <1402904135.7661.34.camel@pasglop> (raw)
In-Reply-To: <1400073709-15012-1-git-send-email-tiwai@suse.de>

On Wed, 2014-05-14 at 15:21 +0200, Takashi Iwai wrote:
>         case 16:                /* RGB 565 */
>                 var->bits_per_pixel = 16;
> -               var->red.offset = 11;
> +               if (fb_be_math(info)) {
> +                       var->red.offset = 11;
> +                       var->green.offset = 5;
> +                       var->blue.offset = 0;
> +               } else {
> +                       var->red.offset = 0;
> +                       var->green.offset = 5;
> +                       var->blue.offset = 11;
> +               }
>                 var->red.length = 5;
> -               var->green.offset = 5;
>                 var->green.length = 6;
> -               var->blue.offset = 0;
>                 var->blue.length = 5;
>                 var->transp.offset = 0;
>                 var->transp.length = 0;
>                 break;

I somewhat doubt that this (and 5:5:5) actually work, do they ? the
green gets split into two separate fields, which we can't express
properly here...

Cheers,
Ben.



  parent reply	other threads:[~2014-06-16  7:35 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-14 13:21 [PATCH] offb: Fix little-endian support Takashi Iwai
2014-05-14 14:01 ` Cedric Le Goater
2014-05-14 14:24   ` Takashi Iwai
2014-05-14 17:04     ` Cedric Le Goater
2014-05-14 17:57       ` Takashi Iwai
2014-06-16  7:23         ` Benjamin Herrenschmidt
2014-06-16  7:32         ` Benjamin Herrenschmidt
2014-05-14 16:56   ` Geert Uytterhoeven
2014-06-16  7:35 ` Benjamin Herrenschmidt [this message]
2014-06-16 23:54   ` Benjamin Herrenschmidt
2014-06-17 10:01     ` Takashi Iwai

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