linux-kernel - Re: [Linux-fbdev-devel] [PATCH] s3fb: fix color component length for pseudocolor modes

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Date:	Thu, 2 Apr 2009 00:42:44 +0200
From:	Ondrej Zajicek <santiago@...reenet.org>
To:	Michal Januszewski <spock@...too.org>
Cc:	linux-kernel@...r.kernel.org,
	linux-fbdev-devel@...ts.sourceforge.net
Subject: Re: [Linux-fbdev-devel] [PATCH] s3fb: fix color component length
	for pseudocolor modes

On Tue, Mar 31, 2009 at 12:11:04AM +0200, Michal Januszewski wrote:
> s3fb incorrectly sets the length of the color fields to 6 bits
> for PSEUDOCOLOR modes, even though 8 or 4 bits are used per pixel.
> Fix this by setting the length to 8 or 4, respectively.
> 
> Signed-off-by: Michal Januszewski <spock@...too.org>

Acked-by: Ondrej Zajicek <santiago@...reenet.org>

> ---
> diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c
> index 4dcec48..c3fad34 100644
> --- a/drivers/video/s3fb.c
> +++ b/drivers/video/s3fb.c
> @@ -45,11 +45,11 @@ struct s3fb_info {
>  static const struct svga_fb_format s3fb_formats[] = {
>  	{ 0,  {0, 6, 0},  {0, 6, 0},  {0, 6, 0}, {0, 0, 0}, 0,
>  		FB_TYPE_TEXT, FB_AUX_TEXT_SVGA_STEP4,	FB_VISUAL_PSEUDOCOLOR, 8, 16},
> -	{ 4,  {0, 6, 0},  {0, 6, 0},  {0, 6, 0}, {0, 0, 0}, 0,
> +	{ 4,  {0, 4, 0},  {0, 4, 0},  {0, 4, 0}, {0, 0, 0}, 0,
>  		FB_TYPE_PACKED_PIXELS, 0,		FB_VISUAL_PSEUDOCOLOR, 8, 16},
> -	{ 4,  {0, 6, 0},  {0, 6, 0},  {0, 6, 0}, {0, 0, 0}, 1,
> +	{ 4,  {0, 4, 0},  {0, 4, 0},  {0, 4, 0}, {0, 0, 0}, 1,
>  		FB_TYPE_INTERLEAVED_PLANES, 1,		FB_VISUAL_PSEUDOCOLOR, 8, 16},
> -	{ 8,  {0, 6, 0},  {0, 6, 0},  {0, 6, 0}, {0, 0, 0}, 0,
> +	{ 8,  {0, 8, 0},  {0, 8, 0},  {0, 8, 0}, {0, 0, 0}, 0,
>  		FB_TYPE_PACKED_PIXELS, 0,		FB_VISUAL_PSEUDOCOLOR, 4, 8},
>  	{16,  {10, 5, 0}, {5, 5, 0},  {0, 5, 0}, {0, 0, 0}, 0,
>  		FB_TYPE_PACKED_PIXELS, 0,		FB_VISUAL_TRUECOLOR, 2, 4},
> 

-- 
Elen sila lumenn' omentielvo

Ondrej 'SanTiago' Zajicek (email: santiago@...reenet.org)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."

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