Re: [PATCH] vga16fb: fix color component length for pseudocolormodes

[Krzysztof Helt]

On Thu, 2 Apr 2009 14:26:13 +0200
Michal Januszewski <spock@xxxxxxxxxx> wrote:

> vga16fb incorrectly sets the length of the color fields to 6 or 2 bits
> for PSEUDOCOLOR modes, for which either 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@xxxxxxxxxx>
> ---

Acked-by: Krzysztof Helt <krzysztof.h1@xxxxx>


> diff --git a/drivers/video/vga16fb.c b/drivers/video/vga16fb.c
> index 5b29389..8f1eb7f 100644
> --- a/drivers/video/vga16fb.c
> +++ b/drivers/video/vga16fb.c
> @@ -506,7 +506,7 @@ static int vga16fb_check_var(struct fb_var_screeninfo *var,
>  	var->red.offset = var->green.offset = var->blue.offset = 
>  	var->transp.offset = 0;
>  	var->red.length = var->green.length = var->blue.length =
> -		(par->isVGA) ? 6 : 2;
> +		(par->isVGA) ? 8 : 4;
>  	var->transp.length = 0;
>  	var->activate = FB_ACTIVATE_NOW;
>  	var->height = -1;
> @@ -1324,7 +1324,7 @@ static int __init vga16fb_probe(struct platform_device *dev)
>  	par->palette_blanked = 0;
>  	par->vesa_blanked = 0;
>  
> -	i = par->isVGA? 6 : 2;
> +	i = par->isVGA? 8 : 4;
>  	
>  	vga16fb_defined.red.length   = i;
>  	vga16fb_defined.green.length = i;
> 

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