[U-Boot] [PATCH v4 07/16] tegra: Add LCD driver

[Stephen Warren]

On 10/08/2012 04:02 PM, Simon Glass wrote:
> Hi Marc,
> 
> On Fri, Oct 5, 2012 at 7:21 AM, Marc Dietrich <marvin24 at gmx.de> wrote:
>> Simon,
>>
>> I tried to adapt this for paz00. I only get backlight and an all white screen.
> 
> I'm not sure about that. One possibility is that your PWM is connected
> up differently. On Seaboard at least, I found that without the PWM I
> would get nothing on the display.

BTW, while fiddling around trying to find the
corrupted-display-after-reboot problem on Seaboard, I turned off/on
random display-related things. IIRC, when the panel VDD was off, but the
backlight was on, the display was all-white. Now, there are probably a
ton of other reasons that might happen, but that one would be simple to
verify with a few "gpio set" or "gpio clear" commands on your system...