[Gta04-owner] Display on Debian - Was: Debian Status

H. Nikolaus Schaller hns at goldelico.com
Sat Feb 18 17:44:09 CET 2017


> Am 18.02.2017 um 17:41 schrieb Josua Mayer <josua.mayer97 at gmail.com>:
> 
>>> Adding:
>>> - display stays black. Any ideas?
>> Hm. This can be a lot of things. Maybe X11 config.
>> Do you see a /sys/class/backlight entry?
> No x11. This is a minimal cli-only system.
> /sys/class/backlight is as empty as can be.
> I found that there are only 2 display connector modules available:
> connector-analog-tv.ko, connector-hdmi.ko
> With only the former loaded.

That is ok since the omap3 has no hdmi port.
The panel is a separate driver.

> menuconfig lists DPI, HDMI, SDI and DSI.
> Is this the key here?
> 
> And we are probably also missing the panel drivers.

Hm. The display system should work upstream - but maybe
they are not configured?

Display backlight also needs some omap pwm driver so this
can be the reason why it does not show up in /sys/class/backlight.

BR,
Nikolaus




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