On Wed, Sep 01, 2010 at 05:01:38, Caglar Akyuz wrote:

> On Tuesday 06 April 2010 12:54:59 am Ambrose, Martin wrote:
> > This work includes the following:
> >  . Implement handler for FBIO_WAITFORVSYNC ioctl.
> > 
> >  . Allocate the data and palette buffers separately.
> >    A consequence of this is that the palette and data loading is now
> >    done in different phases. And that the LCD must be disabled
> >    temporarily after the palette is loaded but this will only happen
> >    once after init and each time the palette is changed. I think this
> >    is OK.
> > 
> >  . Allocate two (ping and pong) framebuffers from memory.
> > 
> >  . Add pan_display handler which toggles the LCDC DMA registers between
> >    the ping and pong buffers.
> > 
> 
> Hello,
> 
> This patch breaks driver for a VGA display. After reverting this patch, 
> display works as expected.  Do you have any idea what may be the cause? I'm 
> testing it on L-138 based Hawkboard.

What is the nature of the error? Does the driver fail to load/initialize?
Does the user space API still work but the display is corrupted? Something else?

Regards, 
Martin
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