[coreboot] Intel G41 - Asrock G41M-GS: no coreboot screen output from Intel GPU on VGA

[h42 at memeware.net]

On 2018-08-16 20:07, Nico Huber wrote:
> On 16.08.2018 12:27, h42 at memeware.net wrote:
>> On 2018-08-15 21:22, Nico Huber wrote:
>>> Hi,
>>> 
>>> On 14.08.2018 13:41, h42 at memeware.net wrote:
>>>> So it seems to have detected that my screen is 1920*1080. GPU + 
>>>> screen
>>>> detection seems to be working. But i dont get any coreboot output on 
>>>> the
>>>> screen.
>>> 
>>> you can set CONFIG_DEBUG_ADA_CODE to enable verbose messages in
>>> libgfxinit. At least this would show if the GFX hardware is indeed
>>> enabled or if it bails out for some reason.
>>> 
>>> When you set drm.debug=6 in your kernel command line, there'll also
>>> be a lot of information in the log about what configuration Linux
>>> finds before (re)initializing graphics.
>>> 
>>> Hope that helps,
>>> Nico
>> 
>> The new additional output:
>> 
>> [...]
>> 
> 
> Looks all good to me. If you'd provide a full log (including SeaBIOS)
> with loglevel `Debug`, that might help to trace it down. Please also
> attach your .config (just to be sure, I know you used the defaults but
> those can change between code revisions).
> 
> Nico

I have searched now for some time how to enable debug loglevel. I have 
found "Default console log level" in section "Console" but that "Depends 
on: !CONSOLE_OVERRIDE_LOGLEVEL [=n]". I cant find a way to set 
CONSOLE_OVERRIDE_LOGLEVEL to =y in make menuconfig. How can that be 
done?