From: "Petr Vandrovec" <VANDROVE@vc.cvut.cz>
To: James Simmons <jsimmons@infradead.org>
Cc: Linux Fbdev development list
<linux-fbdev-devel@lists.sourceforge.net>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
adaplas@pol.net
Subject: Re: [TRIVIAL PATCH] FBDEV: Small impact patch for fbdev
Date: Wed, 11 Dec 2002 13:20:34 +0100 [thread overview]
Message-ID: <A042D564F44@vcnet.vc.cvut.cz> (raw)
On 10 Dec 02 at 21:59, James Simmons wrote:
> Fixed. Actually I used the following code.
>
> int fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
> {
> int xoffset = var->xoffset;
> int yoffset = var->yoffset;
> int err;
>
> if (xoffset < 0 || yoffset < 0 || info->fbops->fb_pan_display ||
I'm probably missing something important, but do not you want
!info->fbops->fb_pan_display
instead?
Petr
> xoffset + info->var.xres > info->var.xres_virtual ||
> yoffset + info->var.yres > info->var.yres_virtual)
> return -EINVAL;
> if ((err = info->fbops->fb_pan_display(var, info)))
> return err;
> info->var.xoffset = var->xoffset;
> info->var.yoffset = var->yoffset;
> if (var->vmode & FB_VMODE_YWRAP)
next reply other threads:[~2002-12-11 12:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-11 12:20 Petr Vandrovec [this message]
2002-12-11 14:36 ` [TRIVIAL PATCH] FBDEV: Small impact patch for fbdev James Simmons
2002-12-11 14:36 ` James Simmons
-- strict thread matches above, loose matches on Subject: below --
2002-12-10 22:18 Antonino Daplas
2002-12-11 5:59 ` James Simmons
2002-12-11 10:45 ` Antonino Daplas
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