[U-Boot] [PATCH 1/2] i.MX: mxc_ipuv3_fb: add ipuv3_fb_shutdown() routine to stop IPU before bootm

Fabio Estevam
2012-09-23T16:59:42Z

On Sun, Sep 23, 2012 at 1:46 PM, Eric Nelson
<eric.nelson@boundarydevices.com> wrote:

> As it stands, if we leave the IPU running, we'll see garbage on
> the display as the kernel re-purposes the RAM used by U-Boot's
> frame buffer.

And on mx53qsb we get kernel hangs at about half of the boots (tested
on 2.6.35 FSL kernel).

So turning off the IPU in U-boot, as Eric did in this series is an
important fix.

Regards,

Fabio Estevam