iMX35 3stack framebuffer problem

Robert Schwebel r.schwebel at
Tue Oct 11 02:54:19 EDT 2011

On Tue, Oct 11, 2011 at 08:40:52AM +0200, Boaz Ben-David wrote:
> Yes, I didn't mention it, but I tried your suggestion. It works
> (meaning there's no flicker) but
> the problem is that the screen is blank for about 8 seconds before I
> have control again to init it.
> People here said they prefer flicker over 8 seconds of blank time...

This is why we have a framebuffer / video driver framework in Barebox.
We do not have a driver for MX35 yet, but that could of course be

On the other hand, I'm wondering why it needs 8 s until you see
something on the Linux side. We have an MX35 system here which runs at
532 MHz, and it needs about 1 s from power-on into Linux userspace, so
we decided to show the splash screen from there.

Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 |  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

More information about the barebox mailing list