linux-kernel - Re: [PATCH 0/7] RFC: Cell SPE logos

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Date:	Tue, 13 Feb 2007 20:51:52 +0000 (GMT)
From:	James Simmons <jsimmons@...radead.org>
To:	Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
cc:	Linux Frame Buffer Device Development 
	<linux-fbdev-devel@...ts.sourceforge.net>,
	Cell Broadband Engine OSS Development 
	<cbe-oss-dev@...abs.org>,
	Linux Kernel Development <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>
Subject: Re: [PATCH 0/7] RFC: Cell SPE logos


Andrew please apply. 

Acked-By: James Simmons <jsimmons@...radead.org>

On Mon, 12 Feb 2007, Geert Uytterhoeven wrote:

> On Wed, 31 Jan 2007, Geert Uytterhoeven wrote:
> > I would like to hear your opinions about the patchset below (updated version
> > compared to yesterday, lkml added to the CC list).
> > 
> > The Cell Broadband Engine contains a 64-bit PowerPC core with 2 hardware
> > threads (called PPEs) and 8 Synergistic Processing Engines (called SPEs).
> > When booting Linux, 2 penguins logos are shown on the graphical console by
> > the standard frame buffer console logo code.
> > 
> > To emphasize the existence of the SPEs (which can be used under Linux), we
> > added a second row of (smaller) helper penguin logos, one for each SPE.
> > I attached a PNG version of the helper penguin logo for reference.
> > 
> > Summaries:
> > [PATCH 1/7] fbdev: Avoid vertical overflow when making space for the logo
> > [PATCH 2/7] fbdev: fb_do_show_logo() updates
> > [PATCH 3/7] fbdev: extract fb_show_logo_line()
> > [PATCH 4/7] fbdev: move logo externs to header file
> > [PATCH 5/7] fbdev: Add fb_append_extra_logo()
> > [PATCH 6/7] fbdev: SPE helper penguin logo
> > [PATCH 7/7] Cell: Draw SPE helper penguin logos
> 
> The helper penguins overlap with the main penguins when using console rotation
> (fbcon=rotate:x, with x != 0). Here's a fix:
> 
> ---
> 
> Correct the image offsets when rotating the logo. Before image->dx and
> image->dy were always zero, so nobody ever noticed.
> 
> Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
> ---
>  drivers/video/fbmem.c |   12 ++++++++----
>  1 files changed, 8 insertions(+), 4 deletions(-)
> 
> --- ps3-linux-2.6.20.orig/drivers/video/fbmem.c
> +++ ps3-linux-2.6.20/drivers/video/fbmem.c
> @@ -355,22 +355,26 @@ static void fb_rotate_logo(struct fb_inf
>  	if (rotate == FB_ROTATE_UD) {
>  		fb_rotate_logo_ud(image->data, dst, image->width,
>  				  image->height);
> -		image->dx = info->var.xres - image->width;
> -		image->dy = info->var.yres - image->height;
> +		image->dx = info->var.xres - image->width - image->dx;
> +		image->dy = info->var.yres - image->height - image->dy;
>  	} else if (rotate == FB_ROTATE_CW) {
>  		fb_rotate_logo_cw(image->data, dst, image->width,
>  				  image->height);
>  		tmp = image->width;
>  		image->width = image->height;
>  		image->height = tmp;
> -		image->dx = info->var.xres - image->width;
> +		tmp = image->dy;
> +		image->dy = image->dx;
> +		image->dx = info->var.xres - image->width - tmp;
>  	} else if (rotate == FB_ROTATE_CCW) {
>  		fb_rotate_logo_ccw(image->data, dst, image->width,
>  				   image->height);
>  		tmp = image->width;
>  		image->width = image->height;
>  		image->height = tmp;
> -		image->dy = info->var.yres - image->height;
> +		tmp = image->dx;
> +		image->dx = image->dy;
> +		image->dy = info->var.yres - image->height - tmp;
>  	}
>  
>  	image->data = dst;
> 
> Gr{oetje,eeting}s,
> 
> 						Geert
> 
> --
> Geert Uytterhoeven -- Sony Network and Software Technology Center Europe (NSCE)
> Geert.Uytterhoeven@...ycom.com ------- The Corporate Village, Da Vincilaan 7-D1
> Voice +32-2-7008453 Fax +32-2-7008622 ---------------- B-1935 Zaventem, Belgium
> 
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