# Re: \[PATCH\] fix scrolling after logo is cleared

- List: linux-fbdev
- 1 message, 1 author
- Page: https://ratatoskr.run/linux-fbdev/2008/07/13458559/t

## Re: \[PATCH\] fix scrolling after logo is cleared

- From: \<hidden\>
- Date: 2008-07-31 09:49:03 
- Message: https://ratatoskr.run/linux-fbdev/2008/07/13458559.md

```text
> On Wed, 28 May 2008 22:53:37 +0200 Krzysztof Helt [ref]
> wrote:
> 
> > From: Krzysztof Helt <redacted>
> > 
> > If the 'clear' command is used on the frame buffer
> > with a logo the upper area is filled by few lines but
> > not scrolled anymore.
> > Fix this by removing the protected area for the logo
> > if any part of the logo is cleared.
> > 
> > Signed-off-by: Krzysztof Helt <redacted>
> > ---
> > 
> > diff -urp linux-rc2/drivers/video/console/fbcon.c
> linux-new/drivers/video/console/fbcon.c
> > --- linux-rc2/drivers/video/console/fbcon.c	2008-05-12
> 18:16:23.193553990 +0200
> > +++ linux-new/drivers/video/console/fbcon.c	2008-05-26
> 21:10:17.592997192 +0200
> > @@ -1312,6 +1310,9 @@ static void fbcon_clear(struct vc_data *
> >  	if (!height || !width)
> >  		return;
> >  
> > +	if (sy < vc->vc_top && vc->vc_top == logo_lines)
> > +		vc->vc_top = 0;
> > +
> >  	/* Split blits that cross physical y_wrap boundary */
> >  
> >  	y_break = p->vrows - p->yscroll;
> > 
> 
> So I'm trolling linux-fbdev-devel for lost patches and I come across
> this one.
> 
> It is still good?  If so, do you think it should be in 2.6.27?  And
> earlier?
> 

I forgot this one. I sent it to get a feedback from other fbdev devs but forgot to resend it with cc to you.

Yes, it is  still good.  It is side effect of the tridentfb testing.

Regards,
Krzysztof

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